San Francisco, CA

12:38 PM PST on December 15, 2019 (GMT -0800)
San Francisco International

Weather History for KSFO - May, 2019

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Friday, May 10, 2019

  Actual Average Record
Temperature  
Mean Temperature 62 °F 59 °F  
Max Temperature 69 °F 67 °F 84 °F (2006)
Min Temperature 54 °F 51 °F 43 °F (1953)
Degree Days  
Heating Degree Days 3 6  
Month to date heating degree days 58 66  
Since 1 July heating degree days 2177 2434  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 9 6  
Growing Degree Days 9 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 69    
Maximum Humidity 83    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in 0.01 in 0.20 in (1963)
Month to date precipitation T 0.20  
Year to date precipitation 16.43 12.70  
Sea Level Pressure  
Sea Level Pressure 29.83 in    
Wind  
Wind Speed 13 mph (WNW)    
Max Wind Speed 23 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

May. 10, 2019 Rise Set
Actual Time 6:04 AM PDT 8:07 PM PDT
Civil Twilight 5:35 AM PDT 8:36 PM PDT
Nautical Twilight 5:00 AM PDT 9:12 PM PDT
Astronomical Twilight 4:22 AM PDT 9:50 PM PDT
Moon 11:11 AM PDT (5/10) 1:04 AM PDT (5/10)
Length of Visible Light 15h 00m
Length of Day
14h 03m
Waxing Crescent, 36% of the Moon is Illuminated
May 10
Waxing Crescent
May 11
First Quarter
May 18
Full
May 26
Last Quarter
Jun 3
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 55.9 °F 48.9 °F 77% 29.81 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
1:56 AM 55.0 °F 48.9 °F 80% 29.82 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
2:54 AM 57.2 °F 48.2 °F 72% 29.80 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
2:56 AM 57.0 °F 48.9 °F 74% 29.80 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
3:56 AM 55.9 °F 48.9 °F 77% 29.79 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
4:56 AM 55.0 °F 48.0 °F 77% 29.78 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
5:56 AM 54.0 °F 48.9 °F 83% 29.79 in 10.0 mi WNW 8.1 mph - N/A   Overcast
6:03 AM 54.0 °F 48.9 °F 83% 29.78 in 10.0 mi West 10.4 mph - N/A   Overcast
6:56 AM 54.0 °F 48.9 °F 83% 29.81 in 10.0 mi WNW 8.1 mph - N/A   Overcast
7:56 AM 55.9 °F 48.9 °F 77% 29.80 in 10.0 mi West 9.2 mph - N/A   Overcast
8:56 AM 59.0 °F 50.0 °F 72% 29.80 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
9:36 AM 61.0 °F 50.0 °F 67% 29.80 in 10.0 mi NNW 8.1 mph - N/A   Partly Cloudy
9:56 AM 61.0 °F 51.1 °F 70% 29.80 in 10.0 mi NNW 10.4 mph - N/A   Partly Cloudy
10:56 AM 64.9 °F 50.0 °F 58% 29.81 in 10.0 mi NW 11.5 mph - N/A   Partly Cloudy
11:56 AM 66.0 °F 50.0 °F 56% 29.81 in 10.0 mi WNW 16.1 mph - N/A   Partly Cloudy
12:56 PM 66.0 °F 51.1 °F 59% 29.81 in 10.0 mi WNW 17.3 mph - N/A   Partly Cloudy
1:56 PM 66.9 °F 51.1 °F 57% 29.82 in 10.0 mi WNW 16.1 mph - N/A   Partly Cloudy
2:56 PM 68.0 °F 51.1 °F 55% 29.82 in 10.0 mi WNW 16.1 mph - N/A   Scattered Clouds
3:56 PM 68.0 °F 51.1 °F 55% 29.83 in 10.0 mi WNW 19.6 mph - N/A   Scattered Clouds
4:56 PM 64.9 °F 51.1 °F 61% 29.84 in 10.0 mi WNW 21.9 mph - N/A   Scattered Clouds
5:56 PM 61.0 °F 50.0 °F 67% 29.85 in 10.0 mi WNW 17.3 mph - N/A   Scattered Clouds
6:56 PM 59.0 °F 50.0 °F 72% 29.86 in 10.0 mi West 20.7 mph - N/A   Scattered Clouds
7:56 PM 57.0 °F 48.9 °F 74% 29.88 in 10.0 mi West 17.3 mph - N/A   Scattered Clouds
8:56 PM 57.9 °F 48.9 °F 72% 29.90 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
9:56 PM 55.9 °F 50.0 °F 80% 29.93 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
10:56 PM 55.9 °F 50.0 °F 80% 29.94 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
11:56 PM 55.9 °F 50.0 °F 80% 29.95 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy