San Francisco, CA

9:00 AM PST on February 06, 2016 (GMT -0800)
San Francisco International

Weather History for KSFO - August, 2013

Change the Weather History Date:

Thursday, August 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 70 °F 64 °F  
Max Temperature 77 °F 73 °F 92 °F (2015)
Min Temperature 62 °F 56 °F 46 °F (1955)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 31 26  
Since 1 June heating degree days 197 196  
Since 1 July heating degree days 109 91  
Cooling Degree Days 5 1  
Month to date cooling degree days 6 15  
Year to date cooling degree days 78 79  
Since 1 June cooling degree days 51 60  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 60 °F    
Average Humidity 77    
Maximum Humidity 93    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 in 0.00 in 0.13 in (1976)
Month to date precipitation T 0.01  
Year to date precipitation 1.89 13.09  
Since 1 July precipitation T  
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 14 mph (West)    
Max Wind Speed 23 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Aug. 15, 2013 Rise Set
Actual Time 6:25 AM PDT 8:01 PM PDT
Civil Twilight 5:57 AM PDT 8:29 PM PDT
Nautical Twilight 5:24 AM PDT 9:02 PM PDT
Astronomical Twilight 4:48 AM PDT 9:38 PM PDT
Moon 3:22 PM PDT (8/15) 12:41 AM PDT (8/15)
Length of Visible Light 14h 31m
Length of Day
13h 36m
Waxing Gibbous, 65% of the Moon is Illuminated
Aug 15
Waxing Gibbous
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First 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 64.0 °F 59.0 °F 84% 29.95 in 10.0 mi West 12.7 mph - N/A   Overcast
1:18 AM 64.4 °F 59.0 °F 83% 29.94 in 10.0 mi West 13.8 mph - N/A   Overcast
1:56 AM 63.0 °F 59.0 °F 87% 29.94 in 10.0 mi West 13.8 mph - N/A   Overcast
2:56 AM 63.0 °F 59.0 °F 87% 29.94 in 10.0 mi West 13.8 mph - N/A   Overcast
3:56 AM 62.1 °F 59.0 °F 90% 29.94 in 8.0 mi West 13.8 mph - N/A   Overcast
4:56 AM 63.0 °F 59.0 °F 87% 29.93 in 10.0 mi West 13.8 mph - N/A   Overcast
5:56 AM 63.0 °F 59.0 °F 87% 29.94 in 10.0 mi West 13.8 mph - N/A   Overcast
6:56 AM 63.0 °F 59.0 °F 87% 29.95 in 8.0 mi West 12.7 mph - N/A   Overcast
7:56 AM 63.0 °F 60.1 °F 90% 29.97 in 8.0 mi West 10.4 mph - N/A   Overcast
8:56 AM 64.0 °F 60.1 °F 87% 29.98 in 9.0 mi West 12.7 mph - N/A   Overcast
9:56 AM 64.9 °F 60.1 °F 84% 29.98 in 9.0 mi West 16.1 mph - N/A   Overcast
10:56 AM 68.0 °F 60.1 °F 76% 29.98 in 10.0 mi West 16.1 mph - N/A   Mostly Cloudy
11:08 AM 69.8 °F 60.8 °F 73% 29.98 in 10.0 mi WNW 13.8 mph - N/A   Scattered Clouds
11:56 AM 71.1 °F 60.1 °F 68% 29.98 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
12:56 PM 73.0 °F 61.0 °F 66% 29.98 in 10.0 mi West 15.0 mph 19.6 mph N/A   Partly Cloudy
1:56 PM 73.9 °F 61.0 °F 64% 29.97 in 10.0 mi West 17.3 mph - N/A   Partly Cloudy
2:56 PM 77.0 °F 62.1 °F 60% 29.96 in 10.0 mi West 18.4 mph - N/A   Partly Cloudy
3:56 PM 75.0 °F 62.1 °F 64% 29.95 in 10.0 mi West 19.6 mph - N/A   Partly Cloudy
4:56 PM 75.0 °F 62.1 °F 64% 29.94 in 10.0 mi West 21.9 mph 25.3 mph N/A   Partly Cloudy
5:56 PM 73.0 °F 61.0 °F 66% 29.94 in 10.0 mi West 18.4 mph 25.3 mph N/A   Partly Cloudy
6:56 PM 70.0 °F 61.0 °F 73% 29.93 in 10.0 mi West 18.4 mph - N/A   Partly Cloudy
7:56 PM 66.0 °F 60.1 °F 81% 29.94 in 10.0 mi West 16.1 mph - N/A   Partly Cloudy
8:56 PM 66.0 °F 61.0 °F 84% 29.95 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
10:56 PM 63.0 °F 59.0 °F 87% 29.98 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
11:56 PM 63.0 °F 57.9 °F 84% 29.98 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy