and then 
to Add to home screen MAY 19TH, 1955-Lake Maloya NM received 11.28 inches of rain in 24 hours to establish a state record.
Rise 5:56AM
Set 8:15PM
Reporting Station : San Francisco International Airport, CA
There are
8 Weather Alerts
for your area.
8 Weather Alerts
for your area.
18°C
Sunny. Mild.
- 63%
- 44 km/hW
-
63%
Humidity -
11°C
Dew Point -
18°C
Comfort Level -
16 km
Visibility -
1018.80 mb
Barometric Pressure - Air Quality
Waning gibbous
Rise1:38AM
Set11:56AM
MONDAY AFTERNOON
SFO / No delays
Previously
| MAY 19TH, 1955 |
Lake Maloya NM received 11.28 inches of rain in 24 hours to establish a state record. |
| MAY 19TH, 1780 |
The infamous "dark day" in New England tradition. At noon it was nearly as dark as night. Chickens went to roost, and many persons were fearful of divine wrath. The phenomena was caused by forest fires to the west of New England. |
| MAY 18TH, 1980 |
Mount Saint Helens (in Washington State) erupted spewing ash and smoke sixty-three thousand feet into the air. Heavy ash covered the ground to the immediate northwest, and small particles were carried to the Atlantic coast. |
| MAY 18TH, 1825 |
A tornado (said to have crossed all of the state of Ohio) smashed into the log cabin settlement of Burlington, northeast of Columbus. |
| MAY 17TH, 1883 |
A three day flood in the Black Hills of western South Dakota resulted in a million dollars damage at Rapid City. |
| MAY 17TH, 1979 |
A reading of 12 degrees at Mauna Kea Observatory established an all-time record low for the state of Hawaii. |
| MAY 16TH, 1952 |
High winds in the Wasatch Canyon of Utah struck Ogden and Brigham City. Winds at Hill Air Force Base gusted to 92 mph. |
| MAY 16TH, 1874 |
The Mill Creek disaster occurred west of Northhampton MA. Dam slippage resulted in a flash flood which claimed 143 lives, and caused a million dollars property damage. |
| MAY 15TH, 1834 |
The Northern Atlantic Coast States were in the midst of their greatest May snowstorm of record. The hills around Newbury VT were covered with two to three feet of snow. |
| MAY 15TH, 1972 |
The worst ice jam flooding of memory for long-time residents took place along the Kuskokwim River and Yukon River in Alaska. It was the first time since 1890 that the two rivers "flowed as one". The towns of Oscarville and Napaskiak were completely inundated. |
| MAY 14TH, 1896 |
The mercury plunged to 10 degrees below zero at Climax CO. It was the lowest reading of record for the U.S. during the month of May. |
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 5:56AM
Set 8:15PM
Waning gibbous
Rise1:38AM
Set11:56AM
MONDAY AFTERNOON
SFO / No delays
| History | |||
| Weather Station: San Francisco , CA , US | |||
| May 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 5:56AM
Set 8:15PM
Waning gibbous
Rise1:38AM
Set11:56AM
MONDAY AFTERNOON
SFO / No delays
| Day | Level | Reason | Upper Soil Moisture | Lower Soil Moisture | Wind Speed | Wind Gust | Humidity | |
| Monday |  |
Fire danger moderate | Windy | 20% | 28% | 24km/h / W | 34km/h | 56% |
| Tuesday | |
Fire danger moderate | Windy | 20% | 28% | 20km/h / W | 28km/h | 54% |
| Wednesday |  |
Fire danger high | Windy | 20% | 28% | 16km/h / WSW | 22km/h | 55% |
| Thursday | |
Fire danger moderate | Windy | 20% | 28% | 24km/h / W | 34km/h | 59% |
| Friday | |
Fire danger moderate | Windy | 20% | 28% | 29km/h / W | 40km/h | 64% |
| Saturday | |
Fire danger moderate | Windy | 20% | 28% | 17km/h / W | 24km/h | 64% |
Rise 5:56AM
Set 8:15PM
Waning gibbous
Rise1:38AM
Set11:56AM
MONDAY AFTERNOON
SFO / No delays
Rise 5:56AM
Set 8:15PM
Waning gibbous
Rise1:38AM
Set11:56AM
MONDAY AFTERNOON
SFO / No delays
Snow conditions provided by SnoCountry Mountain Reports™