TODAY OCT14
TEMPERATURE57
HUMIDITY64
PRESSURE29.98
WIND COND.
  • 6046
  • 6252Tue60%
  • 6050Wed80%90%
  • 5748Thu
  • 5447Fri
daynightWeather update from Seattle, Seattle Boeing Field at
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Brighton 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
January36°F49°F42°F5.1"
February37°F52°F44°F3.8"
March40°F55°F47°F4.9"
April43°F61°F51°F3.1"
May49°F68°F57°F2.2"
June54°F72°F62°F1.5"
July58°F79°F67°F0.4"
August58°F79°F68°F0.6"
September54°F73°F62°F1.6"
October47°F62°F54°F3.9"
November40°F53°F47°F6.6"
December36°F48°F41°F6.1"

Did you know?

  • The highest monthly average temperature in Brighton for August is 68 degrees.
  • The lowest monthly average temperature in Brighton for December is 41 degrees.
  • The most monthly precipitation in Brighton occurs in November with 6.6 inches.
  • The air quality index in Brighton is 1% better than the national average.
  • The pollution index in Brighton is 79% better than the national average.

Compare Seattle, WA Weather To Other Cities

Brighton 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.
IndexBrightonSeattleWashington
Air quality index494936
Pollution index1,081,4301,081,4308,596,989

Brighton air quality information

MeasurementTotal
Days measured365
Days with good air quality195
Days with moderate air quality162
Days w/ poor A.Q. for sensitive groups8
Days with unhealthy air quality

Brighton air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly Brighton temperature with heat index

Brighton monthly precipitation with daily maximum

Brighton monthly snow depth with daily maximum

Brighton monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Maplewood, WA5,2231766%
Southworth, WA2,1581766%
Manchester, WA5,2421766%
Lakeland North, WA12,420492%
Maple Valley, WA25,093492%
Seattle, WA668,849492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Denver, CO663,303548%
El Paso, TX678,058512%
Washington, DC659,009492%
Boston, MA658,279476%
Memphis, TN655,8574412%
Seattle, WA668,849492%
Source: The Brighton, Seattle, WA 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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