TODAY MAR28
TEMPERATURE49
HUMIDITY86
PRESSURE101390
WIND COND.30 9.4
  • 5335Fri
  • 5741Sat
  • 5939Sun
  • 5542Mon30%40%
  • 5440Tue70%70%
daynightWeather update from Caldwell, Essex County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Caldwell for July is 76.1 degrees
  • The lowest monthly average temperature in Caldwell for January is 30.9 degrees
  • The most monthly precipitation in Caldwell occurs in June with 4.9 inches
  • The air quality index in Caldwell is 21% worse than the national average
  • The pollution index in Caldwell is 7% better than the national average

Compare Caldwell, NJ Weather

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      Caldwell 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"

      Caldwell 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.
      IndexCaldwellNew JerseyNational
      Air quality index514542
      Pollution index2,548,9307,246,8912,726,193

      Caldwell air quality information

      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

      Caldwell air quality information

      PollutantTotal
      Arsenic0.003%
      Benzene0.020%
      Carbon Tetrachloride0.003%
      Lead0.020%
      Mercury0.002%

      Average monthly Caldwell temperature with heat index

      Caldwell monthly precipitation with daily maximum

      Caldwell monthly snow depth with daily maximum

      Caldwell monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Victory Gardens, NJ1,6043432.0%
      Lake Telemark, NJ1,1333432.0%
      White Meadow Lake, NJ9,1663432.0%
      Dover, NJ17,8663432.0%
      Bloomingdale, NJ8,080512.0%
      Caldwell, NJ7,970512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Hartsville (Trousdale County) , TN7,9704510.0%
      Hastings-on-Hudson, NY7,969512.0%
      Templeton, CA7,965468.0%
      Wyoming, MN7,976468.0%
      Greenbriar, VA7,976476.0%
      Caldwell, NJ7,970512.0%
      Source: The Caldwell, 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.