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.

Overcast

48°F

9°C

Humidity 94%
Wind Speed NE 8 G 17 mph
Barometer 30.31 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 2 Apr 3:15 am EDT
Extended Forecast for

Summit NJ

  • Overnight

    Overnight: Showers, mainly before 5am. Steady temperature around 49. East wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 47. East wind around 11 mph.

    High: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of drizzle or light rain. Patchy fog. Otherwise, cloudy, with a low around 41. East wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance Light
    Rain and
    Patchy Fog

  • Friday

    Friday: A slight chance of drizzle or light rain before 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 72. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Light Rain
    and Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. Southwest wind 6 to 8 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 68. Chance of precipitation is 90%.

    High: 68 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 8pm. Partly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely then
    Partly Cloudy

Detailed Forecast

Overnight
Showers, mainly before 5am. Steady temperature around 49. East wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 47. East wind around 11 mph.
Thursday Night
A chance of drizzle or light rain. Patchy fog. Otherwise, cloudy, with a low around 41. East wind 6 to 9 mph. Chance of precipitation is 30%.
Friday
A slight chance of drizzle or light rain before 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 72. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 58. Southwest wind 6 to 8 mph.
Saturday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 74.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 50.
Sunday
Showers. High near 68. Chance of precipitation is 90%.
Sunday Night
Showers likely before 8pm. Partly cloudy, with a low around 40. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Sunny, with a high near 51.
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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:
2:20 am EDT Apr 2, 2026
Forecast Valid:
3am EDT Apr 2, 2026-6pm EDT Apr 8, 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