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

54°F

12°C

Humidity 82%
Wind Speed SE 7 mph
Barometer 29.85 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 29 Apr 6:50 pm EDT
Extended Forecast for

Mendham NJ

  • Tonight

    Tonight: Showers, mainly before 4am. Low around 46. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Showers

  • Thursday

    Thursday: A slight chance of showers between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 62. Light north wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Northwest wind around 5 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 61. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 41. West wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 57. Chance of precipitation is 20%.

    High: 57 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers, mainly before 4am. Low around 46. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
A slight chance of showers between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 62. Light north wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 41. Northwest wind around 5 mph.
Friday
Increasing clouds, with a high near 61. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 41. West wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 57. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 65.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 45. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendham NJ
 40.76°N 74.59°W (Elev. 600 ft)
Last Update:
4:08 pm EDT Apr 29, 2026
Forecast Valid:
7pm EDT Apr 29, 2026-6pm EDT May 6, 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