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.

Thunderstorm Light Rain

81°F

27°C

Humidity 62%
Wind Speed SW 12 G 24 mph
Barometer 29.98 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 May 6:45 pm EDT
Extended Forecast for

Morristown NJ

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a chance of showers. Some of the storms could be severe. Mostly cloudy, with a low around 54. North wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 10am. Cloudy, with a high near 63. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 66. Northeast wind around 10 mph becoming southeast in the afternoon.

    High: 66 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of showers after 2am. Cloudy, with a low around 47. East wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 57. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: Showers likely before 2pm. Cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers after 8pm. Cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely before 4am, then a chance of showers. Some of the storms could be severe. Mostly cloudy, with a low around 54. North wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly before 10am. Cloudy, with a high near 63. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Calm wind.
Friday
Increasing clouds, with a high near 66. Northeast wind around 10 mph becoming southeast in the afternoon.
Friday Night
A chance of showers after 2am. Cloudy, with a low around 47. East wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, mainly after 8am. High near 57. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers. Low around 48. Chance of precipitation is 90%.
Sunday
Showers likely before 2pm. Cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
A chance of showers after 8pm. Cloudy, with a low around 54. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 79.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Morristown NJ
 40.77°N 74.47°W (Elev. 381 ft)
Last Update:
4:08 pm EDT May 20, 2026
Forecast Valid:
7pm EDT May 20, 2026-6pm EDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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