Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Overcast

70°F

21°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.00 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 27 Aug 5:45 pm EDT
Extended Forecast for

Summit NJ

Severe T-storm Watch until August 27, 08:00pm
Flood Watch August 27, 06:17pm until August 27, 11:00pm
Click here for hazard details and duration
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  •  
    Severe T-storm Watch until August 27, 08:00pm
    Flood Watch August 27, 06:17pm until August 27, 11:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 67 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm.  Mostly cloudy, with a low around 64. Calm wind becoming north 5 to 7 mph after midnight.

    Low: 64 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Light north wind.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Some of the storms could be severe. Low around 67. South wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 64. Calm wind becoming north 5 to 7 mph after midnight.
Saturday
Mostly sunny, with a high near 82. Light north wind.
Saturday Night
Mostly clear, with a low around 64. Calm wind.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 85.
Monday Night
Mostly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 86.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 69.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 84.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Summit NJ
 40.71°N 74.37°W (Elev. 400 ft)
5:53 pm EDT Aug 27, 2026
6pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
 
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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