Reporting Station : San Francisco International Airport, CA
0 Weather Alerts
for your area.
Passing clouds. Cool.
Rise 6:30AM
Set 7:48PM
Waxing gibbous
Rise2:06PM
Set3:53AM
WEDNESDAY EVENING
SFO / No delays
APRIL 17TH, 1922-A family of at least six tornadoes caused death and destruction along parts of a 210 mile path from north of Ogden IL to Allen County OH, killing sixteen persons. A post card, picked up in Madison County IN, was found 124 miles away near Mount Cory OH.
| APRIL 17TH, 1922 |
A family of at least six tornadoes caused death and destruction along parts of a 210 mile path from north of Ogden IL to Allen County OH, killing sixteen persons. A post card, picked up in Madison County IN, was found 124 miles away near Mount Cory OH. |
| APRIL 17TH, 1965 |
The Mississippi River reached a flood crest at Saint Paul MN four feet higher than any previous mark. During the next two weeks record levels were reached along the Mississippi between Saint Paul and Hannibal MO. Flooding caused more than 100 million dollars damage, but timely warnings kept the death toll down to just twelve persons. |
| APRIL 16TH, 1851 |
The famous "Lighthouse Storm" raged near Boston Harbor. Whole gales and gigantic waves destroyed Minot Light with its two keepers still inside. The storm resulted in great shipping losses and coastal erosion. |
| APRIL 16TH, 1933 |
Franklin Lake NH was buried under 35 inches of snow. |
| APRIL 15TH, 1921 |
Two mile high Silver Lake CO received 76 inches of snow in 24 hours, the heaviest 24 hour total of record for North America. The storm left a total of 87 inches in twenty-seven and a half hours. |
| APRIL 15TH, 1927 |
New Orleans LA was drenched with 14.01 inches of rain, which established a 24 hour rainfall record for the state. |
| APRIL 14TH, 1886 |
A devastating tornado, 800 yards in width at times, cut a twenty mile path through Saint Cloud MN killing 74 persons. The bottom of the Mississippi River was said to have been seen during the tornado's crossing. Eleven persons were killed at a wedding party near the town of Rice. |
| APRIL 14TH, 1873 |
A famous Easter blizzard raged across Kansas, Nebraska and South Dakota. Gale force winds blew the wet snow into massive drifts, however there were few deaths due to the sparse population and due to the gradual increase of the storm. |
| APRIL 13TH, 1877 |
The second coastal storm in just three days hit Virginia and the Carolinas. The first storm flattened the sand dunes at Hatteras, and widened the Oregon inlet three quarters of a mile. The second storm produced hurricane force winds along the coast of North Carolina causing more beach erosion and land transformation. |
| APRIL 13TH, 1955 |
The town of Axis AL was deluged with 20.33 inches of rain in 24 hours establishing a state record. |
| APRIL 12TH, 1861 |
The Civil War begins under rainy skies as Confederate forces capture Fort Sumpter, at the entrance of Charleston Harbor, in South Carolina. 1927: A tornado kills 72 and destroys Rock Springs, TX. |
| 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 6:30AM
Set 7:48PM
Waxing gibbous
Rise2:06PM
Set3:53AM
WEDNESDAY EVENING
SFO / No delays
| History | |||
| Weather Station: San Francisco , CA , US | |||
| April Data | Choose another month |
| Averages | |
|
Average High Temperature
13.30 °C
|
Average Low Temperature
7.80 °C
|
|
Average Mean Temp
10.60 °C
|
Average Dew Point
* °C
|
|
Average Windspeed
* km/h
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
10.41
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
11
|
Days With Thunderstorms
*
|
|
Days With Fog
*
|
Days With Snow
0
|
Days With Lows Below Freezing
15
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
26.10 °C
|
Record Low
-1.10 °C
|
|
Record Wind Speed
-183.30 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
272 mm
|
Record 24-hour Rainfall
81 mm
|
Record Minimum Monthly Precipitation
1.27 mm
|
| Averages | |
|
Average High Temperature
15.60 °C
|
Average Low Temperature
8.90 °C
|
|
Average Mean Temp
12.20 °C
|
Average Dew Point
* °C
|
|
Average Windspeed
* km/h
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
8.88
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
1
|
|
Days With Fog
1
|
Days With Snow
0
|
Days With Lows Below Freezing
7
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
27.20 °C
|
Record Low
-0.60 °C
|
|
Record Wind Speed
-183.30 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
256 mm
|
Record 24-hour Rainfall
53 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
16.10 °C
|
Average Low Temperature
9.40 °C
|
|
Average Mean Temp
12.80 °C
|
Average Dew Point
* °C
|
|
Average Windspeed
* km/h
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
7.36
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
*
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
4
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
28.90 °C
|
Record Low
1.70 °C
|
|
Record Wind Speed
-183.30 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
228 mm
|
Record 24-hour Rainfall
63 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
17.20 °C
|
Average Low Temperature
10.00 °C
|
|
Average Mean Temp
13.30 °C
|
Average Dew Point
* °C
|
|
Average Windspeed
* km/h
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
3.81
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
6
|
Days With Thunderstorms
1
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
2
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
34.40 °C
|
Record Low
4.40 °C
|
|
Record Wind Speed
16.70 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
140 mm
|
Record 24-hour Rainfall
51 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
17.80 °C
|
Average Low Temperature
10.60 °C
|
|
Average Mean Temp
14.40 °C
|
Average Dew Point
* °C
|
|
Average Windspeed
* km/h
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
1.27
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
3
|
Days With Thunderstorms
0
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
35.60 °C
|
Record Low
6.70 °C
|
|
Record Wind Speed
-183.30 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
102 mm
|
Record 24-hour Rainfall
36 mm
|
Record Minimum Monthly Precipitation
0.00 mm
|
| Averages | |
|
Average High Temperature
18.90 °C
|
Average Low Temperature
11.70 °C
|
|
Average Mean Temp
15.60 °C
|
Average Dew Point
* °C
|
|
Average Windspeed
* km/h
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
0.51
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
1
|
Days With Thunderstorms
*
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
38.30 °C
|
Record Low
8.30 °C
|
|
Record Wind Speed
-183.30 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
36 mm
|
Record 24-hour Rainfall
33 mm
|
Record Minimum Monthly Precipitation
0.00 mm
|
| Averages | |
|
Average High Temperature
18.90 °C
|
Average Low Temperature
12.20 °C
|
|
Average Mean Temp
15.60 °C
|
Average Dew Point
* °C
|
|
Average Windspeed
* km/h
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
1
|
Days With Thunderstorms
1
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
39.40 °C
|
Record Low
8.30 °C
|
|
Record Wind Speed
-183.30 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
5 mm
|
Record 24-hour Rainfall
3 mm
|
Record Minimum Monthly Precipitation
0.00 mm
|
| Averages | |
|
Average High Temperature
18.90 °C
|
Average Low Temperature
12.20 °C
|
|
Average Mean Temp
16.10 °C
|
Average Dew Point
* °C
|
|
Average Windspeed
* km/h
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
1
|
Days With Thunderstorms
1
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
35.60 °C
|
Record Low
8.90 °C
|
|
Record Wind Speed
-183.30 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
13 mm
|
Record 24-hour Rainfall
13 mm
|
Record Minimum Monthly Precipitation
0.00 mm
|
| Averages | |
|
Average High Temperature
21.10 °C
|
Average Low Temperature
13.30 °C
|
|
Average Mean Temp
17.20 °C
|
Average Dew Point
* °C
|
|
Average Windspeed
* km/h
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
0.51
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
1
|
Days With Thunderstorms
*
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
1
|
| Records | |
|
Record High
38.30 °C
|
Record Low
8.90 °C
|
|
Record Wind Speed
-183.30 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
53 mm
|
Record 24-hour Rainfall
51 mm
|
Record Minimum Monthly Precipitation
0.00 mm
|
| Averages | |
|
Average High Temperature
20.60 °C
|
Average Low Temperature
12.80 °C
|
|
Average Mean Temp
16.70 °C
|
Average Dew Point
* °C
|
|
Average Windspeed
* km/h
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
2.79
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
4
|
Days With Thunderstorms
1
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
38.90 °C
|
Record Low
6.10 °C
|
|
Record Wind Speed
16.70 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
140 mm
|
Record 24-hour Rainfall
58 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
17.80 °C
|
Average Low Temperature
10.60 °C
|
|
Average Mean Temp
14.40 °C
|
Average Dew Point
* °C
|
|
Average Windspeed
* km/h
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
6.60
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
8
|
Days With Thunderstorms
*
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
1
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
30.00 °C
|
Record Low
3.90 °C
|
|
Record Wind Speed
-183.30 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
208 mm
|
Record 24-hour Rainfall
63 mm
|
Record Minimum Monthly Precipitation
0.00 mm
|
| Averages | |
|
Average High Temperature
13.90 °C
|
Average Low Temperature
8.30 °C
|
|
Average Mean Temp
11.10 °C
|
Average Dew Point
* °C
|
|
Average Windspeed
* km/h
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
9.90
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
0
|
|
Days With Fog
0
|
Days With Snow
*
|
Days With Lows Below Freezing
11
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
24.40 °C
|
Record Low
-2.80 °C
|
|
Record Wind Speed
16.70 km/h
|
Record Monthly Snowfall
2.5 cm
|
Record 24-hour Snowfall
2.50 cm
|
Record Monthly Rainfall
292 mm
|
Record 24-hour Rainfall
79 mm
|
Record Minimum Monthly Precipitation
0.00 mm
|
Rise 6:30AM
Set 7:48PM
Waxing gibbous
Rise2:06PM
Set3:53AM
WEDNESDAY EVENING
SFO / No delays
| Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
| Thursday |  |
Fire danger very low | 26% | 30% |
| Friday | |
Fire danger very low | 26% | 30% |
| Saturday |  |
Fire danger low | 26% | 30% |
| Sunday | |
Fire danger low | 26% | 30% |
| Monday | |
Fire danger very low | 26% | 30% |
| Tuesday | |
Fire danger low | 26% | 30% |
Rise 6:30AM
Set 7:48PM
Waxing gibbous
Rise2:06PM
Set3:53AM
WEDNESDAY EVENING
SFO / No delays
Rise 6:30AM
Set 7:48PM
Waxing gibbous
Rise2:06PM
Set3:53AM
WEDNESDAY EVENING
SFO / No delays
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