and then 
to Add to home screen JULY 4TH, 1956-A world record for the most rain in one minute was set at Unionville MD with a downpour of 1.23 inches.
Rise 5:43AM
Set 8:05PM
Reporting Station : Ontario International Airport, CA
There are
4 Weather Alerts
for your area.
4 Weather Alerts
for your area.
33°C
Sunny. Hot.
- 31%
- 22 km/hW
-
31%
Humidity -
14°C
Dew Point -
32°C
Comfort Level -
16 km
Visibility -
1013.90 mb
Barometric Pressure - Air Quality
Waxing gibbous
Rise2:56PM
Set1:04AM
FRIDAY AFTERNOON
ONT / No delays
Previously
| JULY 4TH, 1956 |
A world record for the most rain in one minute was set at Unionville MD with a downpour of 1.23 inches. |
| JULY 4TH, 1776 |
Thomas Jefferson paid for his first thermometer, and signed the Declaration of Independence. According to his weather memorandum book, at 2 PM it was cloudy and 76 degrees. |
| JULY 3RD, 1863 |
After Pickett's charge at about 2 p.m., Meade's Union forces defeat Lee's Confederate soldiers following the three-day Battle of Gettysburg. The skies were partly cloudy, light SSW winds prevailed and it was hot, with the mercury registering 87 F (31C), according to Professor Jacobs at Gettysburg College. |
| JULY 3RD, 1987 |
Lightning struck and killed three men playing golf on a course near Kingsport TN. The three men had sought shelter from the rain under a tall tree on a small hill. |
| JULY 2ND, 1833 |
An unusually large New England tornado, one half to three quarters of a mile wide, went from Salem Pond to Norton Pond VT, and then into Canada. |
| JULY 2ND, 1843 |
An alligator reportedly fell from the sky onto Anson Street in Charleston SC during a thunderstorm. |
| JULY 1ST, 1989 |
Showers and thunderstorms associated with the low pressure system which was once Tropical Storm Allison continued to drench parts of Mississippi, Louisiana and eastern Texas. Late night thunderstorms produced 12.58 inches of rain at Biloxi MS in six hours, and 10.73 inches at Gulfport MS. Flooding in Mississippi over the first six days of the month caused 55 million dollars damage. |
| JULY 1ST, 1979 |
It snowed almost half a foot (5.8 inches) at Stampede Pass WA, a July record. |
| JUNE 30TH, 1886 |
The second destructive hurricane in nine days hit the Apalachicola-Tallahassee area. |
| JUNE 30TH, 1988 |
Thunderstorms in eastern Kansas drenched Worden with 12.21 inches of rain, and a wall of water two to four feet deep swept through Lone Star KS flooding every home in the town. Up to ten inches of rain was reported southeast of Callaway NE. Thunderstorm winds gusted to 75 mph at Winfield KS. Seventeen cities in the north central and northeastern U.S. reported record low temperatures for the date, including Duluth MN with a reading of 36 degrees. |
| JUNE 29TH, 1989 |
Thunderstorms produced severe weather in the Southern and Central High Plains Region. Thunderstorms in Colorado produced softball size hail at Kit Carson, while pea to marble size hail caused ten million dollars damage to crops in Philips County CO. |
Wind Advisory
| Issued By | NWS Field Office | Broadcast Time | Mon, 29 Dec 2014 03:43:00 PST |
| Issuing Time | Mon, 29 Dec 2014 03:43:00 PST | Valid Until | Mon, 29 Dec 2014 03:43:00 PST |
Strong northerly winds are forecast to develop across the San Francisco Bay Area by midday Tuesday and continue through midday Wednesday. A strong..cold and dry storm system will sweep into northern and central California late Monday night and Tuesday morning. This system will generate strong and gusty north to northest winds across the region from midday Tuesday through midday Wednesday.
Rise 5:43AM
Set 8:05PM
Waxing gibbous
Rise2:56PM
Set1:04AM
FRIDAY AFTERNOON
ONT / No delays
| History | |||
| Weather Station: Ontario International Airport , CA , US | |||
| July Data | Choose another month |
| Averages | |
|
Average High Temperature
18.90 °C
|
Average Low Temperature
5.60 °C
|
|
Average Mean Temp
12.20 °C
|
Average Dew Point
3.90 °C
|
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
0.0
|
|
Average Morning Relative Humidity
45.0
|
Average Afternoon Relative Humidity
74.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
7
|
Days With Thunderstorms
1
|
|
Days With Fog
13
|
Days With Snow
*
|
Days With Lows Below Freezing
2
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
32.20 °C
|
Record Low
-3.90 °C
|
|
Record Wind Speed
101.90 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
20.00 °C
|
Average Low Temperature
7.20 °C
|
|
Average Mean Temp
13.90 °C
|
Average Dew Point
5.00 °C
|
|
Average Windspeed
14.80 km/h
|
Average Wind Direction
270.0
|
|
Average Morning Relative Humidity
44.0
|
Average Afternoon Relative Humidity
75.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
7
|
Days With Thunderstorms
1
|
|
Days With Fog
14
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
31.70 °C
|
Record Low
-1.70 °C
|
|
Record Wind Speed
92.60 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
20.00 °C
|
Average Low Temperature
8.30 °C
|
|
Average Mean Temp
14.40 °C
|
Average Dew Point
7.20 °C
|
|
Average Windspeed
16.70 km/h
|
Average Wind Direction
248.0
|
|
Average Morning Relative Humidity
50.0
|
Average Afternoon Relative Humidity
79.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
9
|
Days With Thunderstorms
1
|
|
Days With Fog
19
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
36.10 °C
|
Record Low
-1.10 °C
|
|
Record Wind Speed
92.60 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
23.90 °C
|
Average Low Temperature
10.00 °C
|
|
Average Mean Temp
17.20 °C
|
Average Dew Point
7.80 °C
|
|
Average Windspeed
16.70 km/h
|
Average Wind Direction
270.0
|
|
Average Morning Relative Humidity
42.0
|
Average Afternoon Relative Humidity
75.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
4
|
Days With Thunderstorms
*
|
|
Days With Fog
16
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
2
|
| Records | |
|
Record High
43.30 °C
|
Record Low
1.70 °C
|
|
Record Wind Speed
83.30 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
26.10 °C
|
Average Low Temperature
12.80 °C
|
|
Average Mean Temp
19.40 °C
|
Average Dew Point
11.10 °C
|
|
Average Windspeed
16.70 km/h
|
Average Wind Direction
248.0
|
|
Average Morning Relative Humidity
44.0
|
Average Afternoon Relative Humidity
77.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
3
|
Days With Thunderstorms
*
|
|
Days With Fog
20
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
4
|
| Records | |
|
Record High
41.70 °C
|
Record Low
3.30 °C
|
|
Record Wind Speed
94.40 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
30.00 °C
|
Average Low Temperature
15.00 °C
|
|
Average Mean Temp
22.80 °C
|
Average Dew Point
12.80 °C
|
|
Average Windspeed
16.70 km/h
|
Average Wind Direction
248.0
|
|
Average Morning Relative Humidity
39.0
|
Average Afternoon Relative Humidity
76.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
1
|
Days With Thunderstorms
*
|
|
Days With Fog
19
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
10
|
| Records | |
|
Record High
45.60 °C
|
Record Low
6.10 °C
|
|
Record Wind Speed
92.60 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
33.30 °C
|
Average Low Temperature
17.20 °C
|
|
Average Mean Temp
25.60 °C
|
Average Dew Point
15.00 °C
|
|
Average Windspeed
16.70 km/h
|
Average Wind Direction
248.0
|
|
Average Morning Relative Humidity
35.0
|
Average Afternoon Relative Humidity
73.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
1
|
Days With Thunderstorms
*
|
|
Days With Fog
16
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
21
|
| Records | |
|
Record High
45.60 °C
|
Record Low
11.10 °C
|
|
Record Wind Speed
85.20 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
33.30 °C
|
Average Low Temperature
17.80 °C
|
|
Average Mean Temp
25.60 °C
|
Average Dew Point
15.00 °C
|
|
Average Windspeed
18.50 km/h
|
Average Wind Direction
270.0
|
|
Average Morning Relative Humidity
36.0
|
Average Afternoon Relative Humidity
72.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
1
|
Days With Thunderstorms
*
|
|
Days With Fog
17
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
22
|
| Records | |
|
Record High
45.60 °C
|
Record Low
10.60 °C
|
|
Record Wind Speed
83.30 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
31.70 °C
|
Average Low Temperature
16.70 °C
|
|
Average Mean Temp
24.40 °C
|
Average Dew Point
13.90 °C
|
|
Average Windspeed
16.70 km/h
|
Average Wind Direction
270.0
|
|
Average Morning Relative Humidity
38.0
|
Average Afternoon Relative Humidity
71.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
2
|
Days With Thunderstorms
1
|
|
Days With Fog
16
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
15
|
| Records | |
|
Record High
44.40 °C
|
Record Low
8.30 °C
|
|
Record Wind Speed
100.00 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
28.30 °C
|
Average Low Temperature
13.30 °C
|
|
Average Mean Temp
21.10 °C
|
Average Dew Point
10.60 °C
|
|
Average Windspeed
16.70 km/h
|
Average Wind Direction
270.0
|
|
Average Morning Relative Humidity
37.0
|
Average Afternoon Relative Humidity
73.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
3
|
Days With Thunderstorms
1
|
|
Days With Fog
18
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
8
|
| Records | |
|
Record High
43.30 °C
|
Record Low
4.40 °C
|
|
Record Wind Speed
96.30 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
22.80 °C
|
Average Low Temperature
8.30 °C
|
|
Average Mean Temp
16.10 °C
|
Average Dew Point
5.00 °C
|
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
0.0
|
|
Average Morning Relative Humidity
36.0
|
Average Afternoon Relative Humidity
69.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
4
|
Days With Thunderstorms
*
|
|
Days With Fog
13
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
1
|
| Records | |
|
Record High
35.00 °C
|
Record Low
-0.60 °C
|
|
Record Wind Speed
96.30 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
19.40 °C
|
Average Low Temperature
5.60 °C
|
|
Average Mean Temp
12.80 °C
|
Average Dew Point
2.80 °C
|
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
0.0
|
|
Average Morning Relative Humidity
39.0
|
Average Afternoon Relative Humidity
70.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
5
|
Days With Thunderstorms
*
|
|
Days With Fog
12
|
Days With Snow
0
|
Days With Lows Below Freezing
1
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
37.20 °C
|
Record Low
-4.40 °C
|
|
Record Wind Speed
109.30 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
0 mm
|
Record 24-hour Rainfall
0 mm
|
Record Minimum Monthly Precipitation
* mm
|
Rise 5:43AM
Set 8:05PM
Waxing gibbous
Rise2:56PM
Set1:04AM
FRIDAY AFTERNOON
ONT / No delays
| Day | Level | Reason | Upper Soil Moisture | Lower Soil Moisture | Wind Speed | Wind Gust | Humidity | |
| Friday |  |
Fire danger high | Hot dry | 12% | 21% | 15km/h / WSW | 21km/h | 33% |
| Saturday |  |
Fire danger extreme | Hot dry | 12% | 21% | 15km/h / WSW | 21km/h | 20% |
| Sunday | |
Fire danger high | Hot | 12% | 21% | 16km/h / WSW | 22km/h | 20% |
| Monday | |
Fire danger high | Hot | 12% | 21% | 16km/h / WSW | 22km/h | 19% |
| Tuesday | |
Fire danger high | Hot | 12% | 21% | 16km/h / WSW | 22km/h | 19% |
| Wednesday | |
Fire danger extreme | Windy | 12% | 21% | 15km/h / WSW | 21km/h | 16% |
Rise 5:43AM
Set 8:05PM
Waxing gibbous
Rise2:56PM
Set1:04AM
FRIDAY AFTERNOON
ONT / No delays
Rise 5:43AM
Set 8:05PM
Waxing gibbous
Rise2:56PM
Set1:04AM
FRIDAY AFTERNOON
ONT / No delays
Snow conditions provided by SnoCountry Mountain Reports™