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.

Fair

16°F

-9°C

Humidity 62%
Wind Speed S 3 mph
Barometer 30.17 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 10 Feb 12:35 am EST
Extended Forecast for

Summit NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 14. Calm wind.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 34. Wind chill values between 15 and 25. Calm wind becoming south around 5 mph.

    High: 34 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow and freezing rain before 10pm, then a chance of freezing rain between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 32. Wind chill values between 25 and 30. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Wintry
    Mix then
    Chance
    Freezing Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. Wind chill values between 25 and 30. West wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. West wind around 10 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 14. Calm wind.
Tuesday
A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 34. Wind chill values between 15 and 25. Calm wind becoming south around 5 mph.
Tuesday Night
A chance of snow and freezing rain before 10pm, then a chance of freezing rain between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 32. Wind chill values between 25 and 30. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 38. Wind chill values between 25 and 30. West wind 6 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 23. West wind around 10 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.
Sunday Night
Rain and snow likely. Cloudy, with a low around 29. Chance of precipitation is 70%.
Washington's Birthday
A 50 percent chance of rain. Mostly cloudy, with a high near 40.
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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:
11:17 pm EST Feb 9, 2026
Forecast Valid:
12am EST Feb 10, 2026-6pm EST Feb 16, 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