National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Overcast

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.29 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 16 Sep 10:55 pm EDT
Extended Forecast for

Plainfield NJ

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Mostly cloudy, with a low around 68. South wind 3 to 5 mph.

    Low: 68 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 82. North wind 6 to 8 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. North wind around 6 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 65. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Mostly cloudy, with a low around 68. South wind 3 to 5 mph.
Friday
Sunny, with a high near 82. North wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 59. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 60.
Sunday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 58.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plainfield NJ
 40.63°N 74.41°W (Elev. 135 ft)
Last Update:
3:19 pm EDT Sep 16, 2026
Forecast Valid:
11pm EDT Sep 16, 2026-6pm EDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation