TODAY SEP22
TEMPERATURE66
HUMIDITY84
PRESSURE29.95
WIND COND.
  • 8464Sun
  • 8262Mon
  • 8363Tue
  • 8564Wed
  • 8564Thu
daynightWeather update from Los Angeles / USC Campus Downtown at
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Westlake Average Temperature

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
January48°F70°F58°F3.5"
February50°F70°F59°F2.9"
March52°F72°F61°F1.5"
April55°F74°F63°F0.7"
May58°F75°F65°F0.5"
June61°F78°F68°F0.0"
July65°F83°F72°F0.0"
August65°F84°F73°F0.0"
September64°F85°F72°F0.3"
October60°F81°F69°F0.7"
November54°F75°F63°F0.8"
December48°F69°F57°F2.8"

Did you know?

  • The highest monthly average temperature in Westlake for August is 73 degrees.
  • The lowest monthly average temperature in Westlake for December is 57 degrees.
  • The most monthly precipitation in Westlake occurs in January with 3.5 inches.
  • The air quality index in Westlake is 48% worse than the national average.
  • The pollution index in Westlake is 2652% worse than the national average.

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Westlake 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.
IndexWestlakeLos AngelesCalifornia
Air quality index747455
Pollution index139,490,000139,490,00018,106,726

Westlake air quality information

MeasurementTotal
Days measured365
Days with good air quality25
Days with moderate air quality260
Days w/ poor A.Q. for sensitive groups76
Days with unhealthy air quality4

Westlake air quality information

PollutantTotal
Arsenic0.200%
Benzene0.950%
Carbon Tetrachloride0.080%
Lead1.320%
Mercury0.440%

Average monthly Westlake temperature with heat index

Westlake monthly precipitation with daily maximum

Westlake monthly snow depth with daily maximum

Westlake monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Del Aire, CA10,7547448%
East Rancho Dominguez, CA15,8877448%
Florence-Graham, CA63,3907448%
Hermosa Beach, CA19,7267448%
La Crescenta-Montrose, CA19,8247448%
Los Angeles, CA3,918,8727448%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Chicago, IL2,714,0176020%
Houston, TX2,240,582524%
Philadelphia, PA1,559,9385714%
Phoenix, AZ1,555,3247448%
San Antonio, TX1,439,3584510%
Los Angeles, CA3,918,8727448%
Source: The Westlake, Los Angeles, 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.