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

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Rain

68°F

20°C

Humidity 94%
Wind Speed Calm
Barometer 29.67 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 30 Jul 1:35 am EDT
Extended Forecast for

Plainfield NJ

  • Overnight

    Overnight: A slight chance of showers and thunderstorms, then a chance of showers after 5am. Mostly cloudy, with a low around 66. Northwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 79. North wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 64. Light north wind.

    Low: 64 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Light northwest wind.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 82.

    High: 82 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms, then a chance of showers after 5am. Mostly cloudy, with a low around 66. Northwest wind around 6 mph. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 79. North wind 8 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 64. Light north wind.
Friday
Sunny, with a high near 84. Light northwest wind.
Friday Night
Partly cloudy, with a low around 66. Calm wind.
Saturday
Partly sunny, with a high near 85.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 82.
Sunday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Monday Night
A chance of thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plainfield NJ
 40.63°N 74.41°W (Elev. 135 ft)
Last Update:
9:30 pm EDT Jul 29, 2026
Forecast Valid:
1am EDT Jul 30, 2026-6pm EDT Aug 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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