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Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fog/Mist

30°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 30°F (-1°C)
Visibility 5.00 mi
Last update 20 Apr 3:35 am EDT
Extended Forecast for

Morristown Municipal NJ

Frost Advisory April 20, 03:49am until April 20, 08:00am
Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Frost Advisory
Freeze Warning
  •  
    Frost Advisory April 20, 03:49am until April 20, 08:00am

    NOW until 8:00am Mon

    Frost Advisory

  • Overnight

    Low: 32 °F

    Patchy Frost

  • Monday

    Monday: A slight chance of showers between 7am and 9am. Patchy frost before 7am. Otherwise, partly sunny, with a high near 51. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. North wind 5 to 10 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 40. South wind around 5 mph. Chance of precipitation is 40%. 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. Mostly cloudy, 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: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy frost. Otherwise, mostly clear, with a low around 32. Calm wind.
Monday
A slight chance of showers between 7am and 9am. Patchy frost before 7am. Otherwise, partly sunny, with a high near 51. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 28. North wind 5 to 10 mph.
Tuesday
Sunny, with a high near 54. 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. South wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, mainly before 8am. Mostly cloudy, with a high near 62. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 69.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
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 62. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Morristown Municipal NJ
 40.8°N 74.4°W (Elev. 177 ft)
Last Update:
3:09 am EDT Apr 20, 2026
Forecast Valid:
3am EDT Apr 20, 2026-6pm EDT Apr 26, 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