TODAY AUG20
TEMPERATURE77
HUMIDITY74
PRESSURE30
WIND COND.60 16.1
  • 8270Mon
  • 8471Tue50%60%
  • 8463Wed20%
  • 7960Thu
  • 8263Fri
daynightWeather update from Washington/Reagan National Airport, DC at

Cabin John 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
January28°F47°F37°F2.7"
February29°F50°F38°F2.3"
March37°F60°F47°F3.2"
April47°F71°F58°F3.4"
May56°F78°F67°F4.6"
June67°F87°F77°F5.3"
July72°F91°F81°F4.2"
August70°F90°F79°F3.2"
September63°F83°F72°F3.5"
October52°F72°F61°F5.0"
November40°F61°F50°F2.5"
December33°F52°F42°F3.8"

Did you know?

  • The highest monthly average temperature in Cabin John for July is 81 degrees.
  • The lowest monthly average temperature in Cabin John for January is 37 degrees.
  • The most monthly precipitation in Cabin John occurs in June with 5.3 inches.
  • The air quality index in Cabin John is 1% better than the national average.
  • The pollution index in Cabin John is 190% worse than the national average.

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Compare Cabin John, MD Weather To Other Cities

Cabin John 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.
IndexCabin JohnMarylandNational
Air quality index494350
Pollution index14,693,9006,283,4705,066,862

Cabin John 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

Cabin John air quality information

PollutantTotal
Arsenic0.190%
Benzene0.210%
Carbon Tetrachloride0.060%
Lead0.060%
Mercury0.010%

Average monthly Cabin John temperature with heat index

Cabin John monthly precipitation with daily maximum

Cabin John monthly snow depth with daily maximum

Cabin John monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Ashton-Sandy Spring, MD6,024492%
Bethesda, MD62,608492%
Brookmont, MD3,810492%
Capitol Heights, MD4,489492%
Chevy Chase Section Five, MD641492%
Cabin John, MD1,958492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Helper, UT1,9584020%
Oakboro, NC1,9584216%
Mount Ayr, IA1,9584118%
Ellaville, GA1,9573334%
Riverside, PA1,9593138%
Cabin John, MD1,958492%
Source: The Cabin John, MD 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.