San Francisco, CA

2:53 PM PST on December 06, 2019 (GMT -0800)
San Francisco International

Weather History for KSFO - May, 2019

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Monday, May 27, 2019

  Actual Average Record
Temperature  
Mean Temperature 57 °F 60 °F  
Max Temperature 62 °F 69 °F 97 °F (1984)
Min Temperature 52 °F 53 °F 42 °F (1954)
Degree Days  
Heating Degree Days 8 5  
Month to date heating degree days 169 161  
Since 1 July heating degree days 2288 2529  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 9 6  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 73    
Maximum Humidity 83    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in 0.01 in 0.92 in (1990)
Month to date precipitation 2.00 0.43  
Year to date precipitation 18.43 12.93  
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 15 mph (West)    
Max Wind Speed 28 mph    
Max Gust Speed 33 mph    
Visibility 9 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. 27, 2019 Rise Set
Actual Time 5:51 AM PDT 8:21 PM PDT
Civil Twilight 5:21 AM PDT 8:52 PM PDT
Nautical Twilight 4:44 AM PDT 9:29 PM PDT
Astronomical Twilight 4:02 AM PDT 10:11 PM PDT
Moon 2:28 AM PDT (5/27) 1:48 PM PDT (5/27)
Length of Visible Light 15h 30m
Length of Day
14h 29m
Last Quarter, 40% of the Moon is Illuminated
May 27
Last Quarter
Jun 3
New
Jun 9
First Quarter
Jun 17
Full
Jun 25
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 54.0 °F 46.9 °F 77% 30.00 in 8.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
1:19 AM 53.1 °F 46.9 °F 80% 30.00 in 8.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
1:56 AM 53.1 °F 46.9 °F 80% 30.00 in 8.0 mi West 9.2 mph - N/A   Scattered Clouds
2:03 AM 52.0 °F 46.9 °F 83% 30.00 in 8.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
2:56 AM 55.0 °F 46.9 °F 74% 30.00 in 7.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
3:56 AM 54.0 °F 48.0 °F 80% 30.00 in 7.0 mi West 12.7 mph - N/A   Mostly Cloudy
4:56 AM 54.0 °F 46.9 °F 77% 30.01 in 8.0 mi West 12.7 mph - N/A   Mostly Cloudy
5:56 AM 54.0 °F 46.9 °F 77% 30.02 in 8.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
6:56 AM 53.1 °F 46.9 °F 80% 30.04 in 9.0 mi West 13.8 mph - N/A   Overcast
7:56 AM 54.0 °F 46.9 °F 77% 30.06 in 9.0 mi West 12.7 mph - N/A   Overcast
8:56 AM 55.0 °F 46.9 °F 74% 30.06 in 9.0 mi WNW 8.1 mph - N/A   Overcast
9:56 AM 59.0 °F 48.9 °F 69% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:56 AM 59.0 °F 46.9 °F 64% 30.09 in 10.0 mi West 18.4 mph - N/A   Mostly Cloudy
11:56 AM 57.9 °F 48.9 °F 72% 30.10 in 10.0 mi West 21.9 mph - N/A   Overcast
12:56 PM 61.0 °F 48.9 °F 64% 30.09 in 10.0 mi West 18.4 mph - N/A   Mostly Cloudy
1:56 PM 61.0 °F 48.9 °F 64% 30.09 in 10.0 mi West 19.6 mph 26.5 mph N/A   Scattered Clouds
2:37 PM 61.0 °F 48.9 °F 64% 30.10 in 10.0 mi West 21.9 mph - N/A   Mostly Cloudy
2:56 PM 61.0 °F 48.9 °F 64% 30.10 in 10.0 mi West 20.7 mph - N/A   Mostly Cloudy
3:56 PM 60.1 °F 48.9 °F 67% 30.10 in 10.0 mi West 24.2 mph - N/A   Mostly Cloudy
4:56 PM 61.0 °F 48.9 °F 64% 30.08 in 10.0 mi West 18.4 mph - N/A   Mostly Cloudy
5:56 PM 57.9 °F 48.0 °F 70% 30.07 in 10.0 mi West 19.6 mph - N/A   Mostly Cloudy
6:56 PM 55.9 °F 48.0 °F 75% 30.08 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
7:56 PM 55.9 °F 48.0 °F 75% 30.08 in 10.0 mi WSW 17.3 mph - N/A   Mostly Cloudy
8:56 PM 55.9 °F 48.0 °F 75% 30.08 in 10.0 mi West 10.4 mph - N/A   Overcast
9:56 PM 55.0 °F 48.0 °F 77% 30.08 in 10.0 mi West 16.1 mph 20.7 mph N/A   Overcast
10:56 PM 55.0 °F 48.0 °F 77% 30.08 in 10.0 mi WSW 12.7 mph 20.7 mph N/A   Overcast