TODAY JUL18
TEMPERATURE69
HUMIDITY70
PRESSURE29.97
WIND COND.
  • 7863Fri
  • 7963Sat
  • 8264Sun
  • 8366Mon
  • 8668Tue
daynightWeather update from Fullerton, Fullerton Municipal Airport at
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Northwest 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
January46°F72°F57°F2.3"
February48°F72°F58°F1.7"
March51°F75°F61°F1.0"
April54°F76°F64°F0.5"
May58°F78°F66°F0.3"
June62°F81°F70°F0.0"
July66°F86°F74°F0.1"
August66°F88°F75°F0.0"
September65°F88°F74°F0.2"
October59°F83°F69°F0.4"
November52°F77°F63°F0.6"
December45°F70°F56°F2.5"

Did you know?

  • The highest monthly average temperature in Northwest for August is 75 degrees.
  • The lowest monthly average temperature in Northwest for December is 56 degrees.
  • The most monthly precipitation in Northwest occurs in December with 2.5 inches.
  • The air quality index in Northwest is 49% worse than the national average.
  • The pollution index in Northwest is 83% better than the national average.

Compare Anaheim, CA Weather To Other Cities

Northwest 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.
IndexNorthwestAnaheimCalifornia
Air quality index748555
Pollution index858,652858,65218,106,726

Northwest air quality information

MeasurementTotal
Days measured365
Days with good air quality24
Days with moderate air quality211
Days w/ poor A.Q. for sensitive groups102
Days with unhealthy air quality25

Northwest air quality information

PollutantTotal
Arsenic0.002%
Benzene0.010%
Carbon Tetrachloride0.000%
Lead0.020%
Mercury0.001%

Average monthly Northwest temperature with heat index

Northwest monthly precipitation with daily maximum

Northwest monthly snow depth with daily maximum

Northwest monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bell, CA35,9277448%
Buena Park, CA82,7717448%
Downey, CA113,2237448%
Fountain Valley, CA56,6707448%
Hawaiian Gardens, CA14,4687448%
Anaheim, CA346,7768570%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Honolulu, HI349,5973040%
Aurora, CO351,131548%
Santa Ana, CA333,6058570%
Tampa, FL361,4774314%
Bakersfield, CA367,5557958%
Anaheim, CA346,7768570%
Source: The Northwest, Anaheim, 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.
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