TODAY AUG15
TEMPERATURE69
HUMIDITY63
PRESSURE29.97
WIND COND.270 13.9
  • 6655Thu
  • 6855Fri
  • 6955Sat
  • 6955Sun
  • 6755Mon
daynightWeather update from Oakland, Metro Oakland International Airport at

Alameda 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
January41°F59°F50°F2.8"
February45°F62°F53°F3.1"
March47°F65°F55°F2.9"
April49°F67°F57°F1.8"
May52°F69°F59°F0.4"
June54°F72°F62°F0.3"
July56°F73°F63°F0.0"
August57°F73°F63°F0.0"
September55°F76°F64°F0.1"
October52°F73°F61°F1.0"
November47°F65°F56°F1.9"
December42°F59°F50°F4.1"

Did you know?

  • The highest monthly average temperature in Alameda for September is 64 degrees.
  • The lowest monthly average temperature in Alameda for January is 50 degrees.
  • The most monthly precipitation in Alameda occurs in December with 4.1 inches.
  • The air quality index in Alameda is 13% better than the national average.
  • The pollution index in Alameda is 278% worse than the national average.

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Compare Alameda, CA Weather To Other Cities

Alameda 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.
IndexAlamedaCaliforniaNational
Air quality index435550
Pollution index19,202,40018,106,7265,066,862

Alameda air quality information

MeasurementTotal
Days measured365
Days with good air quality241
Days with moderate air quality115
Days w/ poor A.Q. for sensitive groups9
Days with unhealthy air quality

Alameda air quality information

PollutantTotal
Arsenic0.180%
Benzene0.140%
Carbon Tetrachloride0.010%
Lead0.280%
Mercury0.060%

Average monthly Alameda temperature with heat index

Alameda monthly precipitation with daily maximum

Alameda monthly snow depth with daily maximum

Alameda monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Albany, CA19,4204314%
Berkeley, CA118,5854314%
Castle Hill, CA1,2024314%
Contra Costa Centre, CA6,1904314%
El Cerrito, CA24,6464314%
Alameda, CA77,4094314%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Chino Hills, CA77,2668570%
Bellflower, CA77,6877448%
Pleasanton, CA77,046484%
Gary, IN77,8586020%
Mount Pleasant, SC77,9073628%
Alameda, CA77,4094314%
Source: The Alameda, 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.