National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fair

-2°F

-19°C

Humidity 71%
Wind Speed Calm
Barometer 30.18 in
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Last update 31 Jan 2:35 am EST
Extended Forecast for

Summit NJ

Cold Weather Advisory January 31, 02:45am until February 1, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 31, 02:45am until February 1, 10:00am

    NOW until 10:00am Sun

    Cold Weather Advisory

  • Overnight

    Low: 1 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 22. Wind chill values between -10 and zero. North wind around 6 mph.

    High: 22 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 7. Wind chill values between -10 and zero. North wind 6 to 13 mph.

    Low: 7 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 24. Wind chill values between -10 and zero. North wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 24 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12. Northwest wind 10 to 14 mph.

    Low: 12 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 1. Wind chill values between -5 and -10. Northwest wind around 5 mph.
Saturday
Increasing clouds, with a high near 22. Wind chill values between -10 and zero. North wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 7. Wind chill values between -10 and zero. North wind 6 to 13 mph.
Sunday
Partly sunny, with a high near 24. Wind chill values between -10 and zero. North wind 14 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 12. Northwest wind 10 to 14 mph.
Monday
Sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 9.
Friday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit NJ
 40.71°N 74.37°W (Elev. 400 ft)
Last Update:
2:07 am EST Jan 31, 2026
Forecast Valid:
2am EST Jan 31, 2026-6pm EST Feb 6, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation