TODAY DEC22
TEMPERATURE16
HUMIDITY
PRESSURE
WIND COND.
  • 2721Mon
  • 3824Tue40%
  • 3624
  • 3826Thu
  • 4129Fri
daynightWeather update from Morristown Municipal at
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Weather Quick Facts

  • The highest monthly average temperature in Watchung for July is 78.1 degrees
  • The lowest monthly average temperature in Watchung for February is 32.4 degrees
  • The most monthly precipitation in Watchung occurs in May with 9.9 inches
  • The air quality index in Watchung is 21% worse than the national average
  • The pollution index in Watchung is 371% worse than the national average

Compare Watchung, NJ Weather

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      Watchung 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°F42°F34°F6.3"
      February24°F42°F32°F4.9"
      March31°F50°F40°F7.3"
      April46°F67°F55°F5.0"
      May56°F76°F65°F9.9"
      June64°F83°F73°F8.3"
      July71°F87°F78°F8.3"
      August67°F84°F75°F7.8"
      September61°F80°F70°F4.9"
      October54°F72°F62°F6.3"
      November38°F56°F46°F5.9"
      December33°F46°F39°F5.8"

      Watchung 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.
      IndexWatchungNew JerseyNational
      Air quality index514542
      Pollution index12,837,2007,246,8912,726,193

      Watchung 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%
      Benzene0.110%
      Carbon Tetrachloride0.050%
      Lead0.020%
      Mercury0.230%

      Average monthly Watchung temperature with heat index

      Watchung monthly precipitation with daily maximum

      Watchung monthly snow depth with daily maximum

      Watchung monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Succasunna, NJ9,3673432.0%
      Mendham, NJ4,8803432.0%
      Peapack and Gladstone, NJ2,5823432.0%
      Chester, NJ1,5143432.0%
      Griggstown, NJ8584118.0%
      Watchung, NJ6,040512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Theodore, AL6,0394216.0%
      Laurence Harbor, NJ6,041512.0%
      Johnson Lane, NV6,0434118.0%
      Bensley, VA6,0444412.0%
      Mascotte, FL6,0313628.0%
      Watchung, NJ6,040512.0%
      Source: The Watchung, 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.