Weather History for Concord, CA

Change the Weather History Date:

Saturday, August 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 75 °F 72 °F  
Max Temperature 88 °F 87 °F 98 °F (1998)
Min Temperature 62 °F 57 °F 53 °F (1999)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 2  
Since 1 June heating degree days 17  
Since 1 July heating degree days 6  
Cooling Degree Days 10    
Month to date cooling degree days 208  
Year to date cooling degree days 676  
Since 1 June cooling degree days 584  
Growing Degree Days 25 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 53    
Maximum Humidity 78    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in - 0.00 in (2014)
Month to date precipitation T  
Year to date precipitation 2.06  
Since 1 July precipitation T  
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 9 mph (SW)    
Max Wind Speed 16 mph    
Max Gust Speed 28 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:

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. 31, 2013 Rise Set
Actual Time 6:37 AM PDT 7:38 PM PDT
Civil Twilight 6:10 AM PDT 8:05 PM PDT
Nautical Twilight 5:38 AM PDT 8:37 PM PDT
Astronomical Twilight 5:05 AM PDT 9:10 PM PDT
Moon 2:13 AM PDT (8/31) 4:38 PM PDT (8/31)
Length of Visible Light 13h 55m
Length of Day
13h 01m
Waning Crescent, 20% of the Moon is Illuminated
Aug 31
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

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 69.1 °F - 55.0 °F 61% 29.90 in 10.0 mi SSW 11.5 mph - N/A   Clear
1:53 AM 68.0 °F - 55.0 °F 63% 29.89 in 10.0 mi SSW 9.2 mph - N/A   Clear
2:53 AM 66.9 °F - 54.0 °F 63% 29.88 in 10.0 mi South 10.4 mph - N/A   Clear
3:53 AM 66.0 °F - 54.0 °F 65% 29.88 in 10.0 mi South 9.2 mph - N/A   Clear
4:53 AM 64.0 °F - 54.0 °F 70% 29.88 in 10.0 mi South 4.6 mph - N/A   Clear
5:53 AM 63.0 °F - 54.0 °F 72% 29.88 in 10.0 mi SW 5.8 mph - N/A   Clear
6:53 AM 64.0 °F - 54.0 °F 70% 29.91 in 10.0 mi SSW 6.9 mph - N/A   Clear
7:53 AM 64.9 °F - 54.0 °F 68% 29.91 in 10.0 mi South 11.5 mph 27.6 mph N/A   Clear
8:53 AM 68.0 °F - 54.0 °F 61% 29.92 in 10.0 mi South 9.2 mph - N/A   Clear
9:53 AM 72.0 °F - 54.0 °F 53% 29.91 in 10.0 mi SSW 9.2 mph - N/A   Clear
10:53 AM 75.9 °F - 54.0 °F 46% 29.91 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 80.1 °F 80.1 °F 55.0 °F 42% 29.90 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:53 PM 84.9 °F 83.2 °F 53.1 °F 33% 29.89 in 10.0 mi WNW 11.5 mph - N/A   Clear
1:53 PM 87.1 °F - 50.0 °F 28% 29.88 in 10.0 mi West 12.7 mph - N/A   Clear
2:53 PM 86.0 °F - 48.0 °F 27% 29.86 in 10.0 mi West 11.5 mph - N/A   Clear
3:53 PM 84.0 °F - 51.1 °F 32% 29.85 in 10.0 mi West 9.2 mph - N/A   Clear
4:53 PM 82.0 °F 81.2 °F 53.1 °F 37% 29.84 in 10.0 mi WSW 11.5 mph - N/A   Clear
5:53 PM 81.0 °F 80.5 °F 54.0 °F 39% 29.83 in 10.0 mi West 12.7 mph - N/A   Clear
6:53 PM 77.0 °F - 54.0 °F 45% 29.83 in 10.0 mi West 12.7 mph - N/A   Clear
7:53 PM 73.0 °F - 54.0 °F 51% 29.85 in 10.0 mi WSW 10.4 mph - N/A   Overcast
8:53 PM 69.1 °F - 55.9 °F 63% 29.86 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
9:53 PM 66.0 °F - 55.9 °F 70% 29.87 in 10.0 mi SSW 11.5 mph - N/A   Clear
10:53 PM 64.0 °F - 55.9 °F 75% 29.89 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
11:53 PM 63.0 °F - 55.9 °F 78% 29.88 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy