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

77°F

25°C

Humidity 89%
Wind Speed Calm
Barometer 29.85 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Aug 12:45 pm EDT
Extended Forecast for

Plainfield NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 86. Northwest wind around 6 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 70. Light north wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

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

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon.

    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

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 86. Northwest wind around 6 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 70. Light north wind.
Tuesday
Mostly sunny, with a high near 87. North wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 67. Light northwest wind.
Wednesday
Sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon.
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
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plainfield NJ
 40.63°N 74.41°W (Elev. 135 ft)
Last Update:
11:37 am EDT Aug 17, 2026
Forecast Valid:
1pm 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