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.

Fog/Mist

36°F

2°C

Humidity 93%
Wind Speed SW 7 mph
Barometer 30.15 in
Dewpoint 34°F (1°C)
Visibility 4.00 mi
Wind Chill30°F (-1°C)
Last update 17 Feb 7:45 am EST
Extended Forecast for

Summit NJ

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind around 6 mph.

    High: 46 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy fog before 3am, then patchy fog after 4am. Otherwise, increasing clouds, with a low around 33. Light west wind.

    Low: 33 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Rain. High near 45. Light east wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 35. North wind 3 to 6 mph.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 43. North wind around 6 mph becoming east in the afternoon.

    High: 43 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.

    Low: 32 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Rain. High near 41. Chance of precipitation is 80%.

    High: 41 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

    Low: 33 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind around 6 mph.
Tonight
Patchy fog before 3am, then patchy fog after 4am. Otherwise, increasing clouds, with a low around 33. Light west wind.
Wednesday
Rain. High near 45. Light east wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 35. North wind 3 to 6 mph.
Thursday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 43. North wind around 6 mph becoming east in the afternoon.
Thursday Night
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Friday
Rain. High near 41. Chance of precipitation is 80%.
Friday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Saturday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 43.
Saturday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 38.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 36.
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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:
4:22 am EST Feb 17, 2026
Forecast Valid:
8am EST Feb 17, 2026-6pm EST Feb 23, 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