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

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 29.85 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 17 Aug 10:35 pm EDT
Extended Forecast for

Plainfield NJ

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Light north wind. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 86. North wind around 6 mph.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Light northwest wind.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Light north wind. Chance of precipitation is 30%.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 86. North wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 65. Light northwest wind.
Wednesday
Sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 82.
Friday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 80.
Saturday Night
Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Sunday
Showers likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Sunday Night
Showers likely. Partly cloudy, with a low around 64. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 82.
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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:
4:44 pm EDT Aug 17, 2026
Forecast Valid:
10pm EDT Aug 17, 2026-6pm EDT Aug 24, 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