TODAY NOV22
TEMPERATURE39
HUMIDITY
PRESSURE
WIND COND.310 18.4
  • 4133Fri60%60%
  • 4837Sat20%
  • 4931Sun
  • 5340Mon
  • 5532Tue30%
daynightWeather update from Morristown Municipal at
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Weather Quick Facts

  • The highest monthly average temperature in Morristown for July is 76.1 degrees
  • The lowest monthly average temperature in Morristown for January is 30.9 degrees
  • The most monthly precipitation in Morristown occurs in June with 4.9 inches
  • The air quality index in Morristown is 21% worse than the national average
  • The pollution index in Morristown is 200% worse than the national average

Compare Morristown, NJ Weather

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      Morristown 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
      January23°F40°F31°F3.0"
      February23°F42°F32°F2.9"
      March31°F52°F41°F3.5"
      April42°F65°F52°F3.9"
      May51°F74°F62°F4.0"
      June60°F82°F71°F4.9"
      July66°F87°F76°F4.9"
      August63°F84°F73°F4.9"
      September57°F78°F67°F3.7"
      October46°F67°F56°F4.2"
      November36°F55°F45°F2.8"
      December29°F45°F36°F4.4"

      Morristown 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.
      IndexMorristownNew JerseyNational
      Air quality index514542
      Pollution index8,169,9307,246,8912,726,193

      Morristown air quality

      MeasurementTotal
      Days measured365
      Days with good air quality169
      Days with moderate air quality180
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.070%
      Carbon Tetrachloride0.030%
      Lead0.020%
      Mercury0.010%

      Average monthly Morristown temperature with heat index

      Morristown monthly precipitation with daily maximum

      Morristown monthly snow depth with daily maximum

      Morristown monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Byram Center, NJ2,0173432.0%
      Kenvil, NJ1,9343432.0%
      Stanhope, NJ3,3273432.0%
      Lake Telemark, NJ1,1333432.0%
      White Meadow Lake, NJ9,1663432.0%
      Morristown, NJ19,065512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Valle Vista, CA19,0728978.0%
      Saint-Colomban, QC19,057n/a 
      Sherrelwood, CO19,0825816.0%
      Mesquite, NV19,0874412.0%
      Phelan, CA19,0388978.0%
      Morristown, NJ19,065512.0%
      Source: The Morristown, NJ 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.