TODAY JUL19
TEMPERATURE76
HUMIDITY56
PRESSURE30
WIND COND.340 6.9
  • 8567Thu
  • 8669Fri20%
  • 8067Sat50%50%
  • 8272Sun70%70%
  • 8472Mon70%70%
daynightWeather update from Washington/Reagan National Airport, DC at

Rock Spring Average Weather

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
January8°F73°F38°F2.7"
February10°F74°F38°F2.2"
March14°F85°F46°F2.6"
April28°F92°F57°F4.1"
May38°F95°F65°F5.7"
June54°F98°F75°F5.8"
July62°F98°F79°F3.1"
August61°F102°F79°F2.1"
September50°F95°F72°F3.3"
October37°F94°F60°F5.7"
November21°F77°F50°F3.1"
December16°F75°F40°F3.7"

Did you know?

  • The highest monthly average temperature in Rock Spring for August is 79 degrees.
  • The lowest monthly average temperature in Rock Spring for February is 38 degrees.
  • The most monthly precipitation in Rock Spring occurs in June with 5.8 inches.
  • The air quality index in Rock Spring is 1% better than the national average.
  • The pollution index in Rock Spring is 95% better than the national average.

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Compare Arlington, VA Weather To Other Cities

Rock Spring 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.
IndexRock SpringArlingtonVirginia
Air quality index494958
Pollution index208,434208,4341,533,792

Rock Spring 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

Rock Spring air quality information

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

Average monthly Rock Spring temperature with heat index

Rock Spring monthly precipitation with daily maximum

Rock Spring monthly snow depth with daily maximum

Rock Spring monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Silver Spring, MD78,038492%
Suitland, MD24,094492%
University Park, MD2,635492%
White Oak, MD18,902492%
Belle Haven town, VA562492%
Arlington, VA226,092492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Gilbert, AZ226,8327448%
Fremont, CA227,934484%
Baton Rouge, LA228,694468%
Paradise, NV229,666548%
North Las Vegas, NV230,436548%
Arlington, VA226,092492%
Source: The Rock Spring, Arlington, 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.