Harder-Tennyson, Hayward, CA Weather - Forecast & Monthly Averages

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PRESSURE
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Weather Quick Facts

The highest monthly average temperature in Harder-Tennyson for August is 64.4 degrees
The lowest monthly average temperature in Harder-Tennyson for December is 49.2 degrees
The most monthly precipitation in Harder-Tennyson occurs in January with 3.5 inches
The air quality index in Harder-Tennyson is 2% worse than the national average
The pollution index in Harder-Tennyson is 136% worse than the national average

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Harder-Tennyson Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	42°F	58°F	50°F	3.5"
February	46°F	61°F	53°F	3.3"
March	46°F	64°F	54°F	2.6"
April	48°F	66°F	56°F	1.8"
May	52°F	69°F	59°F	0.6"
June	56°F	73°F	62°F	0.1"
July	57°F	75°F	64°F	0.0"
August	58°F	76°F	64°F	0.0"
September	57°F	76°F	64°F	0.2"
October	53°F	72°F	61°F	1.4"
November	48°F	66°F	56°F	1.3"
December	42°F	58°F	49°F	3.2"

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Harder-Tennyson air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	Harder-Tennyson	Hayward	California
Air quality index	43	43	55
Pollution index	6,427,290	6,427,290	10,473,190

Harder-Tennyson air quality

Measurement	Total
Days measured	365
Days with good air quality	263
Days with moderate air quality	98
Days w/ poor A.Q. for sensitive groups	4
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.110%
Carbon Tetrachloride	0.010%
Lead	0.010%
Mercury	0.003%

Average monthly Harder-Tennyson temperature with heat index

Harder-Tennyson monthly precipitation with daily maximum

Harder-Tennyson monthly snow depth with daily maximum

Harder-Tennyson monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Blackhawk, CA	10,590	40	20.0%
Danville, CA	44,933	40	20.0%
Camino Tassajara, CA	5,870	40	20.0%
Diablo, CA	834	40	20.0%
Moraga, CA	16,896	40	20.0%
Hayward, CA	158,817	43	14.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Alexandria, VA	158,309	47	6.0%
Barrie, ON	159,618	n/a
Lancaster, CA	157,697	72	44.0%
Coquitlam, BC	159,980	n/a
Abbotsford, BC	160,174	n/a
Hayward, CA	158,817	43	14.0%

Source: The Harder-Tennyson, Hayward, CA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.