TODAY JAN23
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 4432Thu
  • 4843Fri20%90%
  • 5034Sat60%60%
  • 4733Sun
  • 4633Mon
daynightWeather update from Fort Belvoir at
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Merrifield 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
January26°F45°F35°F4.6"
February27°F48°F37°F4.1"
March36°F59°F47°F5.4"
April45°F70°F57°F6.6"
May54°F77°F66°F7.2"
June63°F86°F74°F10.2"
July67°F89°F78°F8.7"
August66°F87°F76°F7.4"
September59°F81°F69°F11.4"
October48°F70°F58°F8.8"
November37°F59°F47°F5.7"
December31°F50°F40°F5.9"

Did you know?

  • The highest monthly average temperature in Merrifield for July is 78 degrees.
  • The lowest monthly average temperature in Merrifield for January is 35 degrees.
  • The most monthly precipitation in Merrifield occurs in September with 11.4 inches.
  • The air quality index in Merrifield is 1% better than the national average.
  • The pollution index in Merrifield is 96% better than the national average.

Compare Merrifield, VA Weather To Other Cities

Merrifield 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.
IndexMerrifieldVirginiaNational
Air quality index495850
Pollution index208,4341,533,7925,066,862

Merrifield air quality information

MeasurementTotal
Days measured365
Days with good air quality194
Days with moderate air quality166
Days w/ poor A.Q. for sensitive groups5
Days with unhealthy air quality

Merrifield air quality information

PollutantTotal
Arsenic0.003%
Benzene0.002%
Carbon Tetrachloride0.001%
Lead0.001%
Mercury0.000%

Average monthly Merrifield temperature with heat index

Merrifield monthly precipitation with daily maximum

Merrifield monthly snow depth with daily maximum

Merrifield monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Woodlawn, VA22,413492%
Bethesda, MD62,608492%
Chevy Chase, MD9,618492%
Chevy Chase Village, MD2,030492%
Forest Glen, MD6,915492%
Merrifield, VA17,000492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Clarksdale, MS16,9943726%
Greenfield, CA16,9943628%
Bryn Mawr-Skyway, WA17,014492%
Kuna, ID17,0153628%
North Liberty, IA16,9844216%
Merrifield, VA17,000492%
Source: The Merrifield, VA 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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