TODAY OCT17
TEMPERATURE38
HUMIDITY89
PRESSURE30.19
WIND COND.
  • 6343Thu
  • 6242Fri
  • 6144Sat
  • 6146Sun
  • 6148Mon
daynightWeather update from Bellingham, Bellingham International Airport at
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Marietta-Alderwood 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
January33°F46°F39°F4.4"
February35°F50°F41°F3.0"
March38°F53°F45°F4.1"
April41°F58°F49°F2.9"
May46°F65°F55°F2.3"
June51°F69°F59°F1.6"
July54°F74°F63°F0.7"
August54°F75°F63°F0.9"
September49°F69°F58°F2.1"
October43°F60°F51°F4.0"
November38°F51°F44°F5.2"
December33°F45°F38°F4.2"

Did you know?

  • The highest monthly average temperature in Marietta-Alderwood for July is 63 degrees.
  • The lowest monthly average temperature in Marietta-Alderwood for December is 38 degrees.
  • The most monthly precipitation in Marietta-Alderwood occurs in November with 5.2 inches.
  • The air quality index in Marietta-Alderwood is 45% better than the national average.
  • The pollution index in Marietta-Alderwood is 90% better than the national average.

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Compare Marietta-Alderwood, WA Weather To Other Cities

Marietta-Alderwood 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.
IndexMarietta-AlderwoodWashingtonNational
Air quality index273650
Pollution index480,9258,596,9895,066,862

Marietta-Alderwood air quality information

MeasurementTotal
Days measured345
Days with good air quality314
Days with moderate air quality31
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Marietta-Alderwood air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.040%
Mercury0.000%

Average monthly Marietta-Alderwood temperature with heat index

Marietta-Alderwood monthly precipitation with daily maximum

Marietta-Alderwood monthly snow depth with daily maximum

Marietta-Alderwood monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Acme, WA1622746%
Blaine, WA4,9882746%
Geneva, WA2,6302746%
Sumas, WA1,7752746%
Alger, WA1562746%
Marietta-Alderwood, WA4,4922746%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Fayette, AL4,4913040%
Saukville, WI4,4944510%
Capitol Heights, MD4,489492%
Oconto, WI4,4884020%
Ottawa Hills, OH4,4973628%
Marietta-Alderwood, WA4,4922746%
Source: The Marietta-Alderwood, 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.