San Francisco, CA

11:51 PM PST on December 15, 2019 (GMT -0800)
San Francisco International

Weather History for KSFO - May, 2019

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Tuesday, May 7, 2019

  Actual Average Record
Temperature  
Mean Temperature 59 °F 59 °F  
Max Temperature 65 °F 67 °F 89 °F (2007)
Min Temperature 52 °F 51 °F 40 °F (1968)
Degree Days  
Heating Degree Days 6 6  
Month to date heating degree days 46 48  
Since 1 July heating degree days 2165 2416  
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 48 °F    
Average Humidity 72    
Maximum Humidity 83    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 in 0.01 in 0.44 in (1994)
Month to date precipitation T 0.15  
Year to date precipitation 16.43 12.65  
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 9 mph (WSW)    
Max Wind Speed 20 mph    
Max Gust Speed 24 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. 07, 2019 Rise Set
Actual Time 6:07 AM PDT 8:05 PM PDT
Civil Twilight 5:38 AM PDT 8:33 PM PDT
Nautical Twilight 5:04 AM PDT 9:08 PM PDT
Astronomical Twilight 4:26 AM PDT 9:46 PM PDT
Moon 8:19 AM PDT (5/7) 11:09 PM PDT (5/7)
Length of Visible Light 14h 54m
Length of Day
13h 57m
Waxing Crescent, 9% of the Moon is Illuminated
May 7
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 54.0 °F 46.0 °F 75% 30.00 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
1:56 AM 54.0 °F 46.0 °F 75% 30.00 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
2:56 AM 52.0 °F 46.0 °F 80% 30.00 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
3:56 AM 53.1 °F 46.9 °F 80% 30.00 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
4:56 AM 54.0 °F 46.0 °F 75% 30.01 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
5:56 AM 53.1 °F 48.0 °F 83% 30.03 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
6:56 AM 54.0 °F 48.0 °F 80% 30.05 in 10.0 mi WNW 5.8 mph - N/A   Overcast
7:56 AM 55.9 °F 48.0 °F 75% 30.06 in 10.0 mi SSW 4.6 mph - N/A   Overcast
8:35 AM 57.9 °F 48.0 °F 70% 30.06 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:56 AM 59.0 °F 48.9 °F 69% 30.06 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
9:56 AM 59.0 °F 48.9 °F 69% 30.06 in 10.0 mi NNW 8.1 mph - N/A   Overcast
10:56 AM 60.1 °F 48.0 °F 64% 30.07 in 10.0 mi Variable 5.8 mph - N/A   Overcast
11:56 AM 61.0 °F 48.9 °F 64% 30.08 in 10.0 mi Variable 3.5 mph - N/A   Overcast
12:56 PM 61.0 °F 48.9 °F 64% 30.06 in 10.0 mi WSW 8.1 mph - N/A   Overcast
1:56 PM 64.0 °F 50.0 °F 60% 30.06 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
2:56 PM 63.0 °F 50.0 °F 63% 30.06 in 10.0 mi West 16.1 mph - N/A   Mostly Cloudy
3:56 PM 63.0 °F 48.9 °F 60% 30.05 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
4:56 PM 62.1 °F 48.9 °F 62% 30.04 in 10.0 mi WSW 15.0 mph - N/A   Scattered Clouds
5:56 PM 62.1 °F 48.9 °F 62% 30.05 in 10.0 mi WSW 12.7 mph - N/A   Scattered Clouds
6:56 PM 57.9 °F 48.0 °F 70% 30.05 in 10.0 mi WSW 13.8 mph - N/A   Partly Cloudy
7:56 PM 55.9 °F 48.0 °F 75% 30.04 in 10.0 mi West 11.5 mph 16.1 mph N/A   Partly Cloudy
8:56 PM 55.9 °F 46.9 °F 72% 30.05 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
9:56 PM 55.0 °F 46.9 °F 74% 30.05 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
10:56 PM 55.0 °F 48.0 °F 77% 30.05 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
11:56 PM 55.0 °F 48.0 °F 77% 30.05 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy