TODAY JUL21
TEMPERATURE67
HUMIDITY71
PRESSURE29.91
WIND COND.330 6.9
  • 7962Sat
  • 7760Sun
  • 7761Mon
  • 7960Tue
  • 7759Wed
daynightWeather update from Hayward, Hayward Air Terminal at

Harder-Tennyson Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January28°F77°F49°F2.8"
February36°F75°F52°F3.2"
March37°F84°F54°F2.4"
April37°F94°F56°F1.2"
May43°F99°F59°F0.5"
June48°F100°F62°F0.1"
July53°F106°F64°F0.0"
August54°F98°F64°Fn/a
September46°F98°F64°F0.1"
October45°F86°F61°F1.2"
November37°F85°F56°F1.1"
December31°F70°F49°F2.9"

Did you know?

  • The highest monthly average temperature in Harder-Tennyson for August is 64 degrees.
  • The lowest monthly average temperature in Harder-Tennyson for January is 49 degrees.
  • The most monthly precipitation in Harder-Tennyson occurs in February with 3.2 inches.
  • The air quality index in Harder-Tennyson is 3% better than the national average.
  • The pollution index in Harder-Tennyson is 26% worse than the national average.

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Compare Hayward, CA Weather To Other Cities

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.
IndexHarder-TennysonHaywardCalifornia
Air quality index484855
Pollution index6,427,2906,427,29018,106,726

Harder-Tennyson air quality information

MeasurementTotal
Days measured365
Days with good air quality204
Days with moderate air quality153
Days w/ poor A.Q. for sensitive groups7
Days with unhealthy air quality1

Harder-Tennyson air quality information

PollutantTotal
Arsenic0.010%
Benzene0.110%
Carbon Tetrachloride0.010%
Lead0.010%
Mercury0.003%

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, StatePopulationAir Quality IndexNational Avg.
Ashland, CA24,2884314%
Camino Tassajara, CA3,4564314%
Diablo, CA8074314%
Emeryville, CA11,1114314%
San Ramon, CA74,3664314%
Hayward, CA154,507484%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Springfield, MA153,9913922%
Macon-Bibb County, GA153,9254118%
Pasadena, TX153,286524%
Cary, NC155,8224314%
Salinas, CA155,8893628%
Hayward, CA154,507484%
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.