Weather History for Hayward, CA

Change the Weather History Date:

Friday, December 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 55 °F 50 °F  
Max Temperature 59 °F 57 °F 73 °F (1999)
Min Temperature 51 °F 42 °F 12 °F (2013)
Degree Days  
Heating Degree Days 10    
Month to date heating degree days 271  
Since 1 July heating degree days 699  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 44 °F    
Average Humidity 68    
Maximum Humidity 93    
Minimum Humidity 43    
Precipitation  
Precipitation 0.06 in - 0.39 in (2006)
Month to date precipitation 1.32  
Year to date precipitation 13.55  
Since 1 July precipitation 4.43  
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 15 mph (SSE)    
Max Wind Speed 25 mph    
Max Gust Speed 32 mph    
Visibility 9 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. 21, 2012 Rise Set
Actual Time 7:20 AM PST 4:53 PM PST
Civil Twilight 6:50 AM PST 5:23 PM PST
Nautical Twilight 6:17 AM PST 5:56 PM PST
Astronomical Twilight 5:45 AM PST 6:27 PM PST
Moon 12:39 PM PST (12/21) 1:16 AM PST (12/21)
Length of Visible Light 10h 32m
Length of Day
9h 33m
Waxing Gibbous, 66% of the Moon is Illuminated
Dec 21
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 51.1 °F 35.1 °F 54% 30.02 in 10.0 mi SSE 12.7 mph - N/A   Clear
1:54 AM 52.0 °F 36.0 °F 54% 30.01 in 10.0 mi SSE 17.3 mph 24.2 mph N/A   Mostly Cloudy
2:54 AM 52.0 °F 33.1 °F 49% 30.00 in 10.0 mi SSE 15.0 mph 21.9 mph N/A   Clear
3:54 AM 53.1 °F 33.1 °F 47% 29.98 in 10.0 mi SSE 16.1 mph - N/A   Scattered Clouds
4:54 AM 53.1 °F 32.0 °F 45% 29.96 in 10.0 mi SSE 15.0 mph 23.0 mph N/A   Overcast
5:54 AM 52.0 °F 30.9 °F 45% 29.97 in 10.0 mi SSE 12.7 mph - N/A   Mostly Cloudy
6:54 AM 54.0 °F 37.9 °F 55% 29.98 in 10.0 mi SSE 16.1 mph 23.0 mph N/A   Mostly Cloudy
7:54 AM 54.0 °F 36.0 °F 51% 29.95 in 10.0 mi SSE 21.9 mph 29.9 mph N/A   Mostly Cloudy
8:54 AM 55.0 °F 34.0 °F 45% 29.96 in 10.0 mi SSE 15.0 mph - N/A   Overcast
9:54 AM 55.9 °F 37.9 °F 51% 29.97 in 10.0 mi South 21.9 mph 26.5 mph N/A   Overcast
10:54 AM 53.1 °F 41.0 °F 64% 29.97 in 10.0 mi SSE 18.4 mph 26.5 mph 0.02 in Rain Light Rain
11:54 AM 54.0 °F 41.0 °F 62% 29.96 in 10.0 mi SSE 20.7 mph 26.5 mph 0.00 in Rain Light Rain
12:45 PM 55.4 °F 42.8 °F 63% 29.91 in 10.0 mi SSE 19.6 mph 24.2 mph 0.00 in   Overcast
12:54 PM 55.0 °F 43.0 °F 64% 29.94 in 10.0 mi SSE 17.3 mph 25.3 mph 0.00 in   Overcast
1:54 PM 57.0 °F 46.9 °F 69% 29.92 in 8.0 mi SSE 13.8 mph 25.3 mph N/A   Overcast
2:54 PM 57.0 °F 46.9 °F 69% 29.92 in 10.0 mi South 17.3 mph 28.8 mph N/A   Mostly Cloudy
3:54 PM 55.9 °F 46.9 °F 72% 29.92 in 10.0 mi South 15.0 mph 24.2 mph 0.00 in Rain Light Rain
4:21 PM 55.4 °F 48.2 °F 77% 29.89 in 10.0 mi South 15.0 mph - 0.00 in Rain Light Rain
4:29 PM 55.4 °F 48.2 °F 77% 29.90 in 10.0 mi South 13.8 mph - 0.00 in Rain Light Rain
4:54 PM 55.9 °F 48.9 °F 77% 29.94 in 10.0 mi South 13.8 mph 24.2 mph 0.00 in Rain Light Rain
5:15 PM 55.4 °F 48.2 °F 77% 29.92 in 6.0 mi South 11.5 mph - 0.00 in Rain Light Rain
5:54 PM 54.0 °F 50.0 °F 86% 29.95 in 6.0 mi SSE 12.7 mph - 0.00 in Rain Light Rain
6:54 PM 53.1 °F 51.1 °F 93% 29.94 in 7.0 mi SSE 13.8 mph - 0.01 in Rain Light Rain
7:21 PM 53.6 °F 51.8 °F 94% 29.92 in 2.5 mi South 9.2 mph - 0.01 in Rain Light Rain
7:30 PM 53.6 °F 51.8 °F 94% 29.91 in 3.0 mi South 8.1 mph - 0.01 in Rain Light Rain
7:54 PM 53.1 °F 52.0 °F 96% 29.94 in 5.0 mi South 3.5 mph - 0.02 in Rain Light Rain
8:03 PM 53.6 °F 51.8 °F 94% 29.91 in 4.0 mi Calm Calm - 0.00 in Rain Light Rain
8:13 PM 53.6 °F 51.8 °F 94% 29.91 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
8:54 PM 55.0 °F 48.9 °F 80% 29.94 in 10.0 mi SSE 8.1 mph - 0.00 in   Overcast
9:54 PM 54.0 °F 48.9 °F 83% 29.94 in 8.0 mi SSE 13.8 mph - 0.01 in Rain Light Rain
10:01 PM 53.6 °F 48.2 °F 82% 29.91 in 10.0 mi SSE 12.7 mph - 0.00 in   Overcast
10:54 PM 54.0 °F 48.0 °F 80% 29.92 in 10.0 mi SE 11.5 mph - 0.00 in   Overcast
11:54 PM 54.0 °F 48.0 °F 80% 29.92 in 10.0 mi SSE 10.4 mph - N/A   Mostly Cloudy