Reporting Station : San Francisco International Airport, CA
2 Weather Alerts
for your area.
Clear. Cool.
Rise 7:20AM
Set 5:23PM
Waning gibbous
Rise11:22PM
Set10:41AM
SUNDAY MORNING
SFO / No delays
JANUARY 23RD, 1780-The coldest day of the coldest month of record in the northeastern U.S. A British Army thermometer in New York City registered a reading of 16 degrees below zero. During that infamous hard winter the harbor was frozen solid for five weeks, and the port was cut off from sea supply.
| JANUARY 23RD, 1780 |
The coldest day of the coldest month of record in the northeastern U.S. A British Army thermometer in New York City registered a reading of 16 degrees below zero. During that infamous hard winter the harbor was frozen solid for five weeks, and the port was cut off from sea supply. |
| JANUARY 23RD, 1971 |
The temperature at Prospect Creek AK plunged to 80 degrees below zero, the coldest reading of record for the United States. |
| JANUARY 22ND, 1989 |
Low pressure brought heavy rain and gale force winds to Florida. Daytona Beach was drenched with 5.48 inches of rain in 24 hours to establish a January record for that location, and winds at Titusville FL gusted to 63 mph. |
| JANUARY 22ND, 1943 |
Chinook winds during the early morning hours caused the temperature at Spearfish SD to rise from 4 below zero to 45 above in just two minutes, the most dramatic temperature rise in world weather records. An hour and a half later the mercury plunged from 54 above to 4 below zero in twenty-seven minutes. |
| JANUARY 21ST, 1863 |
A severe coastal storm dropped heavy rain on the Fredericksburg area of Virginia. It disrupted a Union Army offensive in an ill famed "mud march". |
| JANUARY 21ST, 1982 |
The second of two major snowstorms to hit southern Minnesota came to an end. Minneapolis received 20 inches of snow in 24 hours to break the previous record of 17 inches in 24 hours established just a few days earlier. A record 38 inches of snow covered the ground following the two storms, with drifts ten feet high. |
| JANUARY 20TH, 1943 |
Wild temperature inversions in the Black Hills of South Dakota. While the temperature at Deadwood was a frigid 16 degrees below zero, the town of Lead, just a mile and a half away, but 600 feet higher in elevation, reported a balmy 52 degree reading. |
| JANUARY 20TH, 1978 |
A paralyzing "Nor'easter" produced a record 21 inches of snow at Boston, 15 to 20 inches in Rhode Island, and one to two feet of snow in Pennsylvania. Winds along the coast of Connecticut gusted to 70 mph. |
| JANUARY 19TH, 1933 |
Giant Forest CA received 60 inches of snow in just 24 hours, a state record, and the second highest 24 hour total of record for the U.S. |
| JANUARY 19TH, 1810 |
The famous "cold day" in New England. Gale force winds wrecked homes, and accompanied a sudden overnight drop in temperature of 50 degrees. Tradgedy struck Sanbornton NH where three chidren froze to death. |
| JANUARY 18TH, 1857 |
A great cold storm swept across the Atlantic Seaboard. Snowfall totals of 12 inches were common, whole gales caused shipwrecks and damage property on islands, and temperatures near zero prevailed from Virginia northward. Great drifts of snow blocked transportation. Richmond VA was cut off from Washington DC for a week. |
| 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 7:20AM
Set 5:23PM
Waning gibbous
Rise11:22PM
Set10:41AM
SUNDAY MORNING
SFO / No delays
| History | |||
| Weather Station: San Francisco , CA , US | |||
| January Data | Choose another month |
| Averages | |
|
Average High Temperature
55.94 °F
|
Average Low Temperature
46.04 °F
|
|
Average Mean Temp
51.08 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
4.10
|
|
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
78.98 °F
|
Record Low
30.02 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
10.72 "
|
Record 24-hour Rainfall
3.19 "
|
Record Minimum Monthly Precipitation
0.50 "
|
| Averages | |
|
Average High Temperature
60.08 °F
|
Average Low Temperature
48.02 °F
|
|
Average Mean Temp
53.96 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
3.50
|
|
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
80.96 °F
|
Record Low
30.92 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
10.09 "
|
Record 24-hour Rainfall
2.09 "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
60.98 °F
|
Average Low Temperature
48.92 °F
|
|
Average Mean Temp
55.04 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
2.90
|
|
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
84.02 °F
|
Record Low
35.06 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
8.98 "
|
Record 24-hour Rainfall
2.48 "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
62.96 °F
|
Average Low Temperature
50.00 °F
|
|
Average Mean Temp
55.94 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
1.50
|
|
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
93.92 °F
|
Record Low
39.92 °F
|
|
Record Wind Speed
10.35 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
5.52 "
|
Record 24-hour Rainfall
2.01 "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
64.04 °F
|
Average Low Temperature
51.08 °F
|
|
Average Mean Temp
57.92 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
0.50
|
|
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
96.08 °F
|
Record Low
44.06 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
4.02 "
|
Record 24-hour Rainfall
1.42 "
|
Record Minimum Monthly Precipitation
0.00 "
|
| Averages | |
|
Average High Temperature
66.02 °F
|
Average Low Temperature
53.06 °F
|
|
Average Mean Temp
60.08 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
0.20
|
|
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
100.94 °F
|
Record Low
46.94 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
1.42 "
|
Record 24-hour Rainfall
1.30 "
|
Record Minimum Monthly Precipitation
0.00 "
|
| Averages | |
|
Average High Temperature
66.02 °F
|
Average Low Temperature
53.96 °F
|
|
Average Mean Temp
60.08 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
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
102.92 °F
|
Record Low
46.94 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
0.20 "
|
Record 24-hour Rainfall
0.12 "
|
Record Minimum Monthly Precipitation
0.00 "
|
| Averages | |
|
Average High Temperature
66.02 °F
|
Average Low Temperature
53.96 °F
|
|
Average Mean Temp
60.98 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
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
96.08 °F
|
Record Low
48.02 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
0.51 "
|
Record 24-hour Rainfall
0.51 "
|
Record Minimum Monthly Precipitation
0.00 "
|
| Averages | |
|
Average High Temperature
69.98 °F
|
Average Low Temperature
55.94 °F
|
|
Average Mean Temp
62.96 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
0.20
|
|
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
100.94 °F
|
Record Low
48.02 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
2.09 "
|
Record 24-hour Rainfall
2.01 "
|
Record Minimum Monthly Precipitation
0.00 "
|
| Averages | |
|
Average High Temperature
69.08 °F
|
Average Low Temperature
55.04 °F
|
|
Average Mean Temp
62.06 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
1.10
|
|
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
102.02 °F
|
Record Low
42.98 °F
|
|
Record Wind Speed
10.35 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
5.52 "
|
Record 24-hour Rainfall
2.29 "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
64.04 °F
|
Average Low Temperature
51.08 °F
|
|
Average Mean Temp
57.92 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
2.60
|
|
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
86.00 °F
|
Record Low
39.02 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
8.20 "
|
Record 24-hour Rainfall
2.48 "
|
Record Minimum Monthly Precipitation
0.00 "
|
| Averages | |
|
Average High Temperature
57.02 °F
|
Average Low Temperature
46.94 °F
|
|
Average Mean Temp
51.98 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
3.90
|
|
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
75.92 °F
|
Record Low
26.96 °F
|
|
Record Wind Speed
10.35 mph
|
Record Monthly Snowfall
2.5 "
|
Record 24-hour Snowfall
0.98 "
|
Record Monthly Rainfall
11.50 "
|
Record 24-hour Rainfall
3.11 "
|
Record Minimum Monthly Precipitation
0.00 "
|
Rise 7:20AM
Set 5:23PM
Waning gibbous
Rise11:22PM
Set10:41AM
SUNDAY MORNING
SFO / No delays
| Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
| Sunday |  |
Fire danger very low | 29% | 31% |
| Monday | |
Fire danger very low | 29% | 31% |
| Tuesday | |
Fire danger very low | 29% | 31% |
| Wednesday | |
Fire danger very low | 29% | 31% |
| Thursday | |
Fire danger very low | 29% | 31% |
| Friday | |
Fire danger very low | 29% | 31% |
Rise 7:20AM
Set 5:23PM
Waning gibbous
Rise11:22PM
Set10:41AM
SUNDAY MORNING
SFO / No delays
Rise 7:20AM
Set 5:23PM
Waning gibbous
Rise11:22PM
Set10:41AM
SUNDAY MORNING
SFO / No delays
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