San Francisco, CA

9:43 AM PST on December 17, 2017 (GMT -0800)
San Francisco International

Weather History for KSFO - October, 2017

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Friday, October 13, 2017

  Actual Average Record
Temperature  
Mean Temperature 62 °F 62 °F  
Max Temperature 73 °F 71 °F 92 °F (2010)
Min Temperature 50 °F 54 °F 45 °F (1981)
Degree Days  
Heating Degree Days 3 3  
Month to date heating degree days 18 37  
Since 1 July heating degree days 85 203  
Cooling Degree Days 0 1  
Month to date cooling degree days 11 13  
Year to date cooling degree days 302 154  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 52    
Maximum Humidity 72    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in 0.02 in 2.64 in (2009)
Month to date precipitation 0.00 0.23  
Year to date precipitation 22.19 13.52  
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 7 mph (West)    
Max Wind Speed 22 mph    
Max Gust Speed 26 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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Date:

Astronomy

Oct. 13, 2017 Rise Set
Actual Time 7:16 AM PDT 6:34 PM PDT
Civil Twilight 6:49 AM PDT 7:00 PM PDT
Nautical Twilight 6:19 AM PDT 7:31 PM PDT
Astronomical Twilight 5:49 AM PDT 8:01 PM PDT
Moon 12:52 AM PDT (10/13) 3:16 PM PDT (10/13)
Length of Visible Light 12h 10m
Length of Day
11h 18m
Last Quarter, 36% of the Moon is Illuminated
Oct 13
Last Quarter
Oct 19
New
Oct 27
First Quarter
Nov 3
Full
Nov 10
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 53.1 °F 34.0 °F 48% 30.07 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
1:56 AM 55.0 °F 37.9 °F 53% 30.08 in 10.0 mi WNW 4.6 mph - N/A   Partly Cloudy
2:56 AM 53.1 °F 37.0 °F 55% 30.08 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 51.1 °F 39.0 °F 63% 30.08 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
4:56 AM 51.1 °F 39.9 °F 66% 30.08 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
5:56 AM 50.0 °F 39.0 °F 66% 30.09 in 10.0 mi SSW 3.5 mph - N/A   Partly Cloudy
6:56 AM 52.0 °F 42.1 °F 69% 30.10 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
7:56 AM 53.1 °F 44.1 °F 71% 30.11 in 8.0 mi SSE 3.5 mph - N/A   Partly Cloudy
8:56 AM 55.9 °F 45.0 °F 67% 30.14 in 8.0 mi Calm Calm - N/A   Clear
9:56 AM 60.1 °F 46.9 °F 62% 30.15 in 8.0 mi Calm Calm - N/A   Clear
10:56 AM 61.0 °F 48.9 °F 64% 30.15 in 7.0 mi Calm Calm - N/A   Clear
11:56 AM 63.0 °F 46.9 °F 56% 30.14 in 7.0 mi Calm Calm - N/A   Clear
12:56 PM 66.0 °F 48.0 °F 52% 30.12 in 7.0 mi Calm Calm - N/A   Clear
1:56 PM 72.0 °F 39.9 °F 31% 30.09 in 8.0 mi NE 3.5 mph - N/A   Clear
2:56 PM 72.0 °F 41.0 °F 33% 30.07 in 8.0 mi WNW 11.5 mph - N/A   Clear
3:56 PM 69.1 °F 41.0 °F 36% 30.08 in 8.0 mi West 13.8 mph - N/A   Partly Cloudy
4:56 PM 66.0 °F 39.9 °F 38% 30.07 in 7.0 mi West 20.7 mph - N/A   Scattered Clouds
5:56 PM 63.0 °F 45.0 °F 52% 30.07 in 7.0 mi West 19.6 mph - N/A   Scattered Clouds
6:56 PM 61.0 °F 46.0 °F 58% 30.07 in 9.0 mi West 16.1 mph - N/A   Partly Cloudy
7:56 PM 59.0 °F 46.0 °F 62% 30.08 in 10.0 mi West 19.6 mph - N/A   Partly Cloudy
8:56 PM 59.0 °F 46.0 °F 62% 30.09 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
9:56 PM 57.0 °F 46.9 °F 69% 30.09 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
10:56 PM 55.9 °F 46.9 °F 72% 30.10 in 10.0 mi WNW 8.1 mph - N/A   Scattered Clouds
11:56 PM 55.9 °F 46.9 °F 72% 30.10 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy