Weather History for Vacaville, CA

Change the Weather History Date:

Saturday, August 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 85 °F -  
Max Temperature 102 °F 91 °F 111 °F (1950)
Min Temperature 68 °F 55 °F 46 °F (1985)
Cooling Degree Days 20    
Growing Degree Days 35 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 35    
Maximum Humidity 56    
Minimum Humidity 12    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 16 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
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. 18, 2012 Rise Set
Actual Time 6:25 AM PDT 7:56 PM PDT
Civil Twilight 5:57 AM PDT 8:24 PM PDT
Nautical Twilight 5:23 AM PDT 8:58 PM PDT
Astronomical Twilight 4:48 AM PDT 9:33 PM PDT
Moon 7:37 AM PDT (8/18) 8:18 PM PDT (8/18)
Length of Visible Light 14h 27m
Length of Day
13h 31m
New Moon, 2% of the Moon is Illuminated
Aug 18
New Moon
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 71.1 °F 48.9 °F 45% 29.83 in 10.0 mi East 6.9 mph - N/A   Clear
1:53 AM 73.0 °F 50.0 °F 44% 29.83 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 71.1 °F 53.1 °F 53% 29.85 in 10.0 mi WSW 9.2 mph - N/A   Clear
3:53 AM 71.1 °F 52.0 °F 51% 29.84 in 10.0 mi SW 4.6 mph - N/A   Clear
5:53 AM 69.1 °F 51.1 °F 53% 29.86 in 10.0 mi West 6.9 mph - N/A   Clear
7:53 AM 68.0 °F 52.0 °F 56% 29.88 in 10.0 mi SW 3.5 mph - N/A   Clear
8:53 AM 72.0 °F 52.0 °F 49% 29.89 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 79.0 °F 52.0 °F 39% 29.90 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 82.9 °F 52.0 °F 34% 29.91 in 10.0 mi SSE 3.5 mph - N/A   Clear
11:53 AM 89.1 °F 50.0 °F 26% 29.90 in 10.0 mi South 5.8 mph - N/A   Clear
12:53 PM 93.9 °F 52.0 °F 24% 29.88 in 10.0 mi Variable 6.9 mph - N/A   Clear
1:53 PM 97.0 °F 52.0 °F 22% 29.86 in 10.0 mi ESE 6.9 mph - N/A   Clear
2:53 PM 102.9 °F 45.0 °F 14% 29.83 in 10.0 mi WSW 13.8 mph - N/A   Clear
3:53 PM 102.0 °F 41.0 °F 12% 29.83 in 10.0 mi WSW 13.8 mph - N/A   Clear
4:53 PM 99.0 °F 41.0 °F 14% 29.82 in 10.0 mi WSW 16.1 mph 21.9 mph N/A   Clear
5:53 PM 97.0 °F 41.0 °F 14% 29.81 in 10.0 mi WSW 12.7 mph 19.6 mph N/A   Clear
6:53 PM 91.0 °F 46.9 °F 22% 29.81 in 10.0 mi SSE 5.8 mph - N/A   Clear
7:53 PM 84.9 °F 46.0 °F 26% 29.81 in 10.0 mi SW 9.2 mph - N/A   Clear
8:53 PM 77.0 °F 46.9 °F 34% 29.83 in 10.0 mi SSW 5.8 mph - N/A   Clear
9:53 PM 75.0 °F 48.0 °F 38% 29.83 in 10.0 mi South 5.8 mph - N/A   Clear
10:53 PM 70.0 °F 48.9 °F 47% 29.83 in 10.0 mi SW 9.2 mph - N/A   Clear
11:53 PM 69.1 °F 48.9 °F 49% 29.83 in 10.0 mi SW 10.4 mph - N/A   Clear