Oakland, CA

4:43 PM PDT on October 21, 2019 (GMT -0700)
Metro Oakland International

Weather History for KOAK - September, 2019

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Friday, September 20, 2019

  Actual Average Record
Temperature  
Mean Temperature 69 °F 64 °F  
Max Temperature 82 °F 74 °F 95 °F (1949)
Min Temperature 55 °F 54 °F 47 °F (2004)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 0 38  
Since 1 July heating degree days 15 178  
Cooling Degree Days 4 1  
Month to date cooling degree days 60 37  
Year to date cooling degree days 319 117  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 58    
Maximum Humidity 80    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in 0.01 in 0.35 in (1973)
Month to date precipitation 0.23 0.10  
Year to date precipitation 15.94 13.38  
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 5 mph (WNW)    
Max Wind Speed 16 mph    
Max Gust Speed 18 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

Sep. 20, 2019 Rise Set
Actual Time 6:54 AM PDT 7:09 PM PDT
Civil Twilight 6:28 AM PDT 7:35 PM PDT
Nautical Twilight 5:57 AM PDT 8:05 PM PDT
Astronomical Twilight 5:26 AM PDT 8:37 PM PDT
Moon 11:09 PM PDT (9/20) 12:58 PM PDT (9/20)
Length of Visible Light 13h 06m
Length of Day
12h 14m
Waning Gibbous, 64% of the Moon is Illuminated
Sep 20
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 57.9 °F - 50.0 °F 75% 29.93 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 59.0 °F - 51.1 °F 75% 29.94 in 10.0 mi ENE 4.6 mph - N/A   Clear
2:53 AM 57.9 °F - 50.0 °F 75% 29.94 in 10.0 mi NE 3.5 mph - N/A   Clear
3:53 AM 57.9 °F - 51.1 °F 78% 29.93 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 57.9 °F - 50.0 °F 75% 29.93 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 55.9 °F - 48.9 °F 77% 29.94 in 10.0 mi NE 5.8 mph - N/A   Clear
6:53 AM 55.9 °F - 48.9 °F 77% 29.95 in 10.0 mi ENE 4.6 mph - N/A   Clear
7:53 AM 60.1 °F - 53.1 °F 78% 29.96 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 66.0 °F - 55.0 °F 68% 29.97 in 10.0 mi ESE 4.6 mph - N/A   Clear
9:53 AM 68.0 °F - 55.0 °F 63% 29.98 in 10.0 mi South 6.9 mph - N/A   Clear
10:53 AM 70.0 °F - 57.9 °F 65% 29.98 in 10.0 mi SSW 5.8 mph - N/A   Clear
11:53 AM 73.0 °F - 54.0 °F 51% 29.98 in 10.0 mi WSW 6.9 mph - N/A   Clear
12:53 PM 75.0 °F - 51.1 °F 43% 29.96 in 10.0 mi WSW 6.9 mph - N/A   Clear
1:53 PM 78.1 °F - 48.0 °F 35% 29.95 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
2:53 PM 79.0 °F - 51.1 °F 38% 29.93 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
3:53 PM 81.0 °F 80.5 °F 54.0 °F 39% 29.91 in 10.0 mi West 12.7 mph - N/A   Clear
4:53 PM 78.1 °F - 53.1 °F 42% 29.91 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
5:53 PM 77.0 °F - 53.1 °F 43% 29.90 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
6:53 PM 73.0 °F - 53.1 °F 49% 29.91 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
7:53 PM 71.1 °F - 52.0 °F 51% 29.91 in 10.0 mi NW 6.9 mph - N/A   Clear
8:53 PM 70.0 °F - 52.0 °F 53% 29.92 in 10.0 mi NNW 3.5 mph - N/A   Clear
9:53 PM 68.0 °F - 53.1 °F 59% 29.93 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 63.0 °F - 51.1 °F 65% 29.92 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 64.0 °F - 52.0 °F 65% 29.92 in 10.0 mi Calm Calm - N/A   Clear