National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fair

36°F

2°C

Humidity 93%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Apr 10:55 pm EDT
Extended Forecast for

Denville NJ

Freeze Watch April 21, 12:00am until April 21, 09:00am
Frost Advisory April 20, 02:00am until April 20, 08:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 3am. Otherwise, increasing clouds, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Frost

  • Monday

    Monday: A chance of showers, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 50. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Northwest wind around 5 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 40. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 8am. Partly sunny, with a high near 62. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy frost after 3am. Otherwise, increasing clouds, with a low around 34. Calm wind.
Monday
A chance of showers, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 50. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 29. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 40. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, mainly before 8am. Partly sunny, with a high near 62. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 70.
Friday Night
A chance of showers. Partly cloudy, with a low around 46. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denville NJ
 40.88°N 74.48°W (Elev. 574 ft)
Last Update:
4:11 pm EDT Apr 19, 2026
Forecast Valid:
11pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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