San Francisco, CA

9:23 PM PST on December 13, 2019 (GMT -0800)
San Francisco International

Weather History for KSFO - May, 2019

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Thursday, May 30, 2019

  Actual Average Record
Temperature  
Mean Temperature 58 °F 61 °F  
Max Temperature 63 °F 69 °F 95 °F (2001)
Min Temperature 52 °F 53 °F 46 °F (1974)
Degree Days  
Heating Degree Days 7 5  
Month to date heating degree days 187 176  
Since 1 July heating degree days 2306 2544  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 9 6  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 82    
Maximum Humidity 96    
Minimum Humidity 67    
Precipitation  
Precipitation 0.00 in 0.01 in 0.28 in (1990)
Month to date precipitation 2.00 0.46  
Year to date precipitation 18.43 12.96  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 12 mph (West)    
Max Wind Speed 21 mph    
Max Gust Speed 30 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. 30, 2019 Rise Set
Actual Time 5:50 AM PDT 8:23 PM PDT
Civil Twilight 5:20 AM PDT 8:54 PM PDT
Nautical Twilight 4:42 AM PDT 9:32 PM PDT
Astronomical Twilight 4:00 AM PDT 10:14 PM PDT
Moon 3:52 AM PDT (5/30) 4:42 PM PDT (5/30)
Length of Visible Light 15h 34m
Length of Day
14h 33m
Waning Crescent, 14% of the Moon is Illuminated
May 30
Waning Crescent
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 52.0 °F 50.0 °F 93% 29.92 in 8.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
1:56 AM 53.1 °F 48.9 °F 86% 29.92 in 7.0 mi WSW 10.4 mph - N/A   Overcast
2:56 AM 54.0 °F 48.9 °F 83% 29.91 in 7.0 mi WSW 11.5 mph - N/A   Overcast
3:56 AM 53.1 °F 48.9 °F 86% 29.91 in 7.0 mi SW 8.1 mph - N/A   Overcast
4:56 AM 53.1 °F 48.9 °F 86% 29.92 in 7.0 mi SW 10.4 mph - N/A   Overcast
5:56 AM 53.1 °F 48.9 °F 86% 29.92 in 7.0 mi West 6.9 mph - N/A   Overcast
6:56 AM 54.0 °F 48.9 °F 83% 29.93 in 9.0 mi West 10.4 mph - N/A   Overcast
7:56 AM 54.0 °F 48.9 °F 83% 29.95 in 9.0 mi WSW 10.4 mph - N/A   Overcast
8:56 AM 53.1 °F 48.9 °F 86% 29.95 in 9.0 mi WSW 11.5 mph - N/A   Overcast
9:56 AM 55.0 °F 48.9 °F 80% 29.96 in 9.0 mi WSW 10.4 mph - N/A   Overcast
10:56 AM 57.0 °F 48.9 °F 74% 29.96 in 9.0 mi West 11.5 mph - N/A   Overcast
11:56 AM 59.0 °F 48.9 °F 69% 29.96 in 10.0 mi WSW 13.8 mph - N/A   Mostly Cloudy
12:56 PM 61.0 °F 50.0 °F 67% 29.94 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
1:56 PM 61.0 °F 50.0 °F 67% 29.94 in 10.0 mi West 19.6 mph 27.6 mph N/A   Mostly Cloudy
2:56 PM 59.0 °F 50.0 °F 72% 29.93 in 10.0 mi West 18.4 mph 27.6 mph N/A   Mostly Cloudy
3:56 PM 59.0 °F 48.9 °F 69% 29.92 in 10.0 mi West 20.7 mph - N/A   Mostly Cloudy
4:56 PM 59.0 °F 48.9 °F 69% 29.92 in 10.0 mi West 16.1 mph - N/A   Mostly Cloudy
5:56 PM 55.9 °F 48.9 °F 77% 29.92 in 10.0 mi West 16.1 mph - N/A   Mostly Cloudy
6:56 PM 55.9 °F 48.9 °F 77% 29.92 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
7:56 PM 55.0 °F 48.9 °F 80% 29.92 in 10.0 mi West 15.0 mph - N/A   Mostly Cloudy
8:56 PM 54.0 °F 48.9 °F 83% 29.94 in 10.0 mi WNW 17.3 mph - N/A   Mostly Cloudy
9:56 PM 54.0 °F 48.9 °F 83% 29.96 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
10:56 PM 54.0 °F 48.9 °F 83% 29.94 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
11:56 PM 53.1 °F 48.9 °F 86% 29.94 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy