San Francisco, CA

1:58 AM PDT on September 21, 2019 (GMT -0700)
San Francisco International

Weather History for KSFO - August, 2019

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Saturday, August 24, 2019

  Actual Average Record
Temperature  
Mean Temperature 66 °F 65 °F  
Max Temperature 73 °F 73 °F 99 °F (2010)
Min Temperature 60 °F 56 °F 49 °F (1955)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 35  
Since 1 June heating degree days 80 205  
Since 1 July heating degree days 29 100  
Cooling Degree Days 2 1  
Month to date cooling degree days 90 24  
Year to date cooling degree days 193 88  
Since 1 June cooling degree days 184 69  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 76    
Maximum Humidity 90    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in 0.00 in 0.07 in (1864)
Month to date precipitation 0.00 0.03  
Year to date precipitation 18.43 13.11  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 8 mph ()    
Max Wind Speed 23 mph    
Max Gust Speed 27 mph    
Visibility 9.7 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Aug. 24, 2019 Rise Set
Actual Time 6:32 AM PDT 7:50 PM PDT
Civil Twilight 6:05 AM PDT 8:17 PM PDT
Nautical Twilight 5:32 AM PDT 8:49 PM PDT
Astronomical Twilight 4:58 AM PDT 9:23 PM PDT
Moon 12:31 AM PDT (8/24) 3:08 PM PDT (8/24)
Length of Visible Light 14h 11m
Length of Day
13h 17m
Last Quarter, 38% of the Moon is Illuminated
Aug 24
Last Quarter
Aug 30
New
Sep 5
First Quarter
Sep 13
Full
Sep 21
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 63.0 °F 55.9 °F 78% 29.86 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
1:56 AM 62.1 °F 55.9 °F 80% 29.86 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
2:56 AM 62.1 °F 55.9 °F 80% 29.87 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
3:56 AM 61.0 °F 55.9 °F 83% 29.88 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
4:45 AM 61.0 °F 55.9 °F 83% 29.88 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
4:56 AM 61.0 °F 55.9 °F 83% 29.88 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
5:56 AM 61.0 °F 55.9 °F 83% 29.89 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
6:56 AM 62.1 °F 55.9 °F 80% 29.91 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
7:56 AM 66.0 °F 55.9 °F 70% 29.93 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
8:56 AM 66.0 °F 57.9 °F 75% 29.94 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
9:56 AM 69.1 °F 59.0 °F 70% 29.94 in 10.0 mi NE 4.6 mph - N/A   Scattered Clouds
10:56 AM 70.0 °F 59.0 °F 68% 29.95 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
11:56 AM 70.0 °F 57.0 °F 63% 29.95 in 10.0 mi NW 15.0 mph - N/A   Partly Cloudy
12:56 PM 71.1 °F 57.9 °F 63% 29.94 in 10.0 mi NW 18.4 mph - N/A   Partly Cloudy
1:56 PM 71.1 °F 57.9 °F 63% 29.94 in 10.0 mi WNW 19.6 mph - N/A   Partly Cloudy
2:56 PM 72.0 °F 57.9 °F 61% 29.93 in 10.0 mi WNW 18.4 mph - N/A   Partly Cloudy
3:56 PM 71.1 °F 57.0 °F 61% 29.92 in 10.0 mi WNW 18.4 mph - N/A   Partly Cloudy
4:56 PM 70.0 °F 57.0 °F 63% 29.92 in 10.0 mi WNW 20.7 mph 26.5 mph N/A   Partly Cloudy
5:56 PM 66.9 °F 57.0 °F 70% 29.92 in 10.0 mi WNW 19.6 mph - N/A   Partly Cloudy
6:56 PM 64.0 °F 57.0 °F 78% 29.92 in 10.0 mi WNW 19.6 mph - N/A   Partly Cloudy
7:56 PM 61.0 °F 57.0 °F 87% 29.93 in 10.0 mi WNW 19.6 mph - N/A   Partly Cloudy
8:56 PM 61.0 °F 57.0 °F 87% 29.94 in 10.0 mi WNW 15.0 mph - N/A   Partly Cloudy
9:56 PM 61.0 °F 57.0 °F 87% 29.96 in 10.0 mi WNW 16.1 mph - N/A   Partly Cloudy
10:56 PM 61.0 °F 57.0 °F 87% 29.96 in 7.0 mi WNW 15.0 mph - N/A   Scattered Clouds
11:52 PM 60.8 °F 57.2 °F 88% 29.97 in 7.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
11:56 PM 61.0 °F 57.0 °F 87% 29.97 in 7.0 mi WNW 12.7 mph - N/A   Mostly Cloudy