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.

Overcast

45°F

7°C

Humidity 71%
Wind Speed NW 10 G 20 mph
Barometer 30.07 in
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Wind Chill40°F (4°C)
Last update 19 Apr 8:45 pm EDT
Extended Forecast for

Summit NJ

Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Clear, then becoming mostly cloudy toward daybreak, with a low around 38. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers, mainly before 10am. Partly sunny, with a high near 53. Northwest wind 6 to 13 mph.

    High: 53 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Wind chill values between 20 and 25. Northwest wind 7 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54. Wind chill values between 25 and 35 early. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 2am. Increasing clouds, with a low around 42. South wind around 7 mph.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, then becoming mostly cloudy toward daybreak, with a low around 38. Northwest wind 5 to 9 mph becoming calm after midnight.
Monday
A 30 percent chance of showers, mainly before 10am. Partly sunny, with a high near 53. Northwest wind 6 to 13 mph.
Monday Night
Mostly clear, with a low around 29. Wind chill values between 20 and 25. Northwest wind 7 to 10 mph.
Tuesday
Sunny, with a high near 54. Wind chill values between 25 and 35 early. Light and variable wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers after 2am. Increasing clouds, with a low around 42. South wind around 7 mph.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 70.
Friday Night
A 40 percent chance of showers. Partly cloudy, with a low around 48.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 63.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 61.
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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:
6:50 pm EDT Apr 19, 2026
Forecast Valid:
9pm EDT Apr 19, 2026-6pm EDT Apr 26, 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