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

23°C

73°F

Humidity 89%
Wind Speed S 6 km/h
Barometer 30.09 in
Dewpoint 21°C (70°F)
Visibility 16 km
Last update 12 Jul 10:55 pm EDT
Extended Forecast for

Watchung NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Southeast wind 3 to 8 km/h.

    Low: 21 °C

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 29. Southeast wind 5 to 11 km/h.

    High: 29 °C

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 22. Southeast wind 5 to 10 km/h. Chance of precipitation is 30%.

    Low: 22 °C

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 29. Southwest wind 3 to 8 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 29 °C

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 21. Calm wind. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Low: 21 °C

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 32.

    High: 32 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22.

    Low: 22 °C

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 33.

    High: 33 °C

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 23.

    Low: 23 °C

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. Southeast wind 3 to 8 km/h.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 29. Southeast wind 5 to 11 km/h.
Sunday Night
A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 22. Southeast wind 5 to 10 km/h. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 29. Southwest wind 3 to 8 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.
Monday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 21. Calm wind. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 33.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 23.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 33.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 32.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watchung NJ
 40.65°N 74.44°W (Elev. 463 m)
Last Update:
6:14 pm EDT Jul 12, 2025
Forecast Valid:
11pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
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