and then 
to Add to home screen OCTOBER 31ST, 1846-Eighty-seven pioneers were trapped by early snows in the Sierra Nevada Mountains that piled five feet deep, with 30 to 40 foot drifts. Just 47 persons survived the "Donner Pass Tragedy".
Rise 7:34AM
Set 6:11PM
Reporting Station : San Francisco International Airport, CA
There are
0 Weather Alerts
for your area.
0 Weather Alerts
for your area.
17°C
Scattered clouds. Mild.
- 60%
- 28 km/hWNW
-
60%
Humidity -
9°C
Dew Point -
17°C
Comfort Level -
16 km
Visibility -
1020.00 mb
Barometric Pressure - Air Quality
Waning crescent
Rise6:51AM
Set5:40PM
THURSDAY AFTERNOON
SFO / No delays
Previously
| OCTOBER 31ST, 1846 |
Eighty-seven pioneers were trapped by early snows in the Sierra Nevada Mountains that piled five feet deep, with 30 to 40 foot drifts. Just 47 persons survived the "Donner Pass Tragedy". |
| OCTOBER 31ST, 1965 |
Fort Lauderdale FL was deluged with 13.81 inches of rain, which brought their rainfall total for the month of October to an all-time record of 42.43 inches. |
| OCTOBER 30TH, 1947 |
The Donora PA smog disaster finally came to an end. For five days an inversion trapped impurities in the lower atmosphere over the Monongahela Valley killing 20 persons, and leaving more than 2000 others sick. |
| OCTOBER 30TH, 1925 |
Nashville TN was blanketed with an inch of snow, their earliest measurable snow of record. |
| OCTOBER 29TH, 1942 |
A tornado struck the town of Berryville in northwest Arkansas killing 20 persons and causing half a million dollars damage. |
| OCTOBER 29TH, 1956 |
A violent tornado, or series of tornadoes, moved along a path more than 100 miles in length from south of North Platte NE into Rock County NE. It was an unusually late occurence so far north and west in the U.S. for such a storm. |
| OCTOBER 28TH, 1987 |
Thunderstorms over the San Joaquin Valley of California produced three-quarters of an inch of rain in thirty minutes at Placerville, and caused numerous power outages due to lightning. |
| OCTOBER 28TH, 1971 |
A severe early season blizzard raged across the Plateau Region and Rocky Mountain Region. Heavy snow blocked railroads and interstate highways, and record cold accompanied the storm. Lander WY received 27 inches of snow, and the temperature at Big Piney WY plunged to 15 degrees below zero. |
| OCTOBER 27TH, 1764 |
A "very remarkable storm of snow with high winds" produced 22 inches at Rutland in central Massachusetts. |
| OCTOBER 27TH, 1929 |
A snowstorm dumped 27 inches upon Ishpeming MI in 24 hours to establish a state record. |
| OCTOBER 26TH, 1859 |
New York City had their earliest substantial snow of record as four inches blanketed the city. |
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 7:34AM
Set 6:11PM
Waning crescent
Rise6:51AM
Set5:40PM
THURSDAY AFTERNOON
SFO / No delays
| History | |||
| Weather Station: San Francisco , CA , US | |||
| October 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 7:34AM
Set 6:11PM
Waning crescent
Rise6:51AM
Set5:40PM
THURSDAY AFTERNOON
SFO / No delays
| Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
| Thursday |  |
Fire danger low | 21% | 20% |
| Friday |  |
Fire danger very low | 21% | 20% |
| Saturday | |
Fire danger very low | 21% | 20% |
| Sunday |  |
Fire danger moderate | 21% | 20% |
| Monday |  |
Fire danger high | 21% | 20% |
| Tuesday | |
Fire danger moderate | 21% | 20% |
Rise 7:34AM
Set 6:11PM
Waning crescent
Rise6:51AM
Set5:40PM
THURSDAY AFTERNOON
SFO / No delays
Rise 7:34AM
Set 6:11PM
Waning crescent
Rise6:51AM
Set5:40PM
THURSDAY AFTERNOON
SFO / No delays
Snow conditions provided by SnoCountry Mountain Reports™