Weather History for Hayward, CA

Change the Weather History Date:

Friday, December 28, 2012

  Actual Average Record
Temperature  
Mean Temperature 45 °F 49 °F  
Max Temperature 52 °F 57 °F 63 °F (2005)
Min Temperature 38 °F 42 °F 37 °F (1997)
Degree Days  
Heating Degree Days 20    
Month to date heating degree days 382  
Since 1 July heating degree days 810  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 191  
Moisture  
Dew Point 37 °F    
Average Humidity 73    
Maximum Humidity 85    
Minimum Humidity 61    
Precipitation  
Precipitation T in - 1.15 in (2010)
Month to date precipitation 2.84  
Year to date precipitation 15.07  
Since 1 July precipitation 5.95  
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 4 mph (ENE)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events Rain    
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

Dec. 28, 2012 Rise Set
Actual Time 7:22 AM PST 4:58 PM PST
Civil Twilight 6:53 AM PST 5:27 PM PST
Nautical Twilight 6:20 AM PST 6:00 PM PST
Astronomical Twilight 5:48 AM PST 6:32 PM PST
Moon 5:38 PM PST (12/28) 7:21 AM PST (12/28)
Length of Visible Light 10h 33m
Length of Day
9h 35m
Full, 100% of the Moon is Illuminated
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 41.0 °F 39.0 °F 36.0 °F 82% 30.21 in 10.0 mi East 3.5 mph - N/A   Clear
1:54 AM 41.0 °F 39.0 °F 36.0 °F 82% 30.22 in 10.0 mi East 3.5 mph - N/A   Clear
2:54 AM 41.0 °F 39.0 °F 36.0 °F 82% 30.22 in 10.0 mi ENE 3.5 mph - N/A   Clear
3:54 AM 39.9 °F 37.8 °F 36.0 °F 86% 30.20 in 10.0 mi ENE 3.5 mph - N/A   Clear
4:54 AM 41.0 °F 38.0 °F 35.1 °F 79% 30.19 in 10.0 mi ENE 4.6 mph - N/A   Clear
5:54 AM 39.9 °F - 35.1 °F 83% 30.19 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 39.0 °F 36.8 °F 34.0 °F 82% 30.20 in 10.0 mi ENE 3.5 mph - N/A   Clear
7:54 AM 41.0 °F 37.1 °F 35.1 °F 79% 30.20 in 10.0 mi ENE 5.8 mph - N/A   Clear
8:54 AM 42.1 °F - 36.0 °F 79% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
10:54 AM 46.0 °F 43.1 °F 37.9 °F 73% 30.18 in 10.0 mi East 5.8 mph - N/A   Overcast
11:54 AM 46.0 °F - 37.9 °F 73% 30.16 in 10.0 mi Calm Calm - N/A   Overcast
12:54 PM 48.9 °F - 39.0 °F 69% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
1:54 PM 51.1 °F - 39.0 °F 63% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
2:54 PM 48.9 °F - 37.9 °F 66% 30.12 in 10.0 mi West 4.6 mph - N/A   Overcast
3:54 PM 50.0 °F - 37.9 °F 63% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
4:54 PM 48.9 °F - 37.9 °F 66% 30.09 in 10.0 mi ENE 6.9 mph - N/A   Overcast
5:54 PM 48.0 °F - 37.9 °F 68% 30.08 in 10.0 mi ENE 4.6 mph - N/A   Overcast
6:54 PM 48.0 °F - 37.9 °F 68% 30.08 in 10.0 mi NE 4.6 mph - N/A   Overcast
7:54 PM 46.9 °F - 39.0 °F 74% 30.07 in 10.0 mi ENE 6.9 mph - N/A   Overcast
8:54 PM 46.0 °F 40.2 °F 39.0 °F 76% 30.06 in 10.0 mi NE 12.7 mph - N/A   Mostly Cloudy
9:54 PM 46.9 °F - 39.0 °F 74% 30.06 in 10.0 mi ENE 10.4 mph - N/A   Overcast
10:54 PM 46.0 °F 40.6 °F 39.0 °F 76% 30.07 in 9.0 mi ENE 11.5 mph - N/A   Overcast
11:54 PM 46.0 °F 41.4 °F 39.9 °F 79% 30.08 in 5.0 mi ENE 9.2 mph - 0.00 in Rain Light Rain