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.

Light Rain Fog/Mist

43°F

6°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 30.04 in
Dewpoint 41°F (5°C)
Visibility 5.00 mi
Wind Chill39°F (4°C)
Last update 25 Apr 3:45 pm EDT
Extended Forecast for

Summit NJ

  • This Afternoon

    This Afternoon: Showers. High near 49. East wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Showers

  • Tonight

    Tonight: Showers, mainly before 5am. Areas of fog. Low around 40. Northeast wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 40 °F

    Showers and
    Areas Fog

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 55. Northeast wind around 11 mph, with gusts as high as 24 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. East wind 5 to 7 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. North wind 6 to 8 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers after 2pm. Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Showers. High near 49. East wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers, mainly before 5am. Areas of fog. Low around 40. Northeast wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 55. Northeast wind around 11 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 42. East wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 66. North wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 46.
Wednesday
A 50 percent chance of showers after 2pm. Mostly cloudy, with a high near 61.
Wednesday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 59.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Saturday
A chance of showers. Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summit NJ
 40.71°N 74.37°W (Elev. 400 ft)
Last Update:
2:20 pm EDT Apr 25, 2026
Forecast Valid:
4pm EDT Apr 25, 2026-6pm EDT May 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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