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.

Drizzle

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 68°F (20°C)
Visibility 3.00 mi
Last update 17 Aug 3:35 am EDT
Extended Forecast for

Plainfield NJ

  • Overnight

    Overnight: Showers, mainly before 5am. Low around 66. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Showers

  • Monday

    Monday: A chance of showers before 8am, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. North wind 3 to 6 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Showers, mainly before 5am. Low around 66. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers before 8am, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 70. Calm wind.
Tuesday
Mostly sunny, with a high near 87. North wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 67. Calm wind.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 83.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 80.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 65.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 81.
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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:
2:44 am EDT Aug 17, 2026
Forecast Valid:
3am EDT Aug 17, 2026-6pm EDT Aug 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