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.

Fog/Mist

48°F

9°C

Humidity 100%
Wind Speed Calm
Barometer 29.80 in
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Last update 19 Apr 4:35 am EDT
Extended Forecast for

Chatham NJ

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Overnight

    Overnight: A chance of showers, mainly after 5am. Cloudy, with a low around 47. Calm wind becoming southeast around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 3pm. High near 54. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Northwest wind around 5 mph becoming calm after midnight.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers before 2pm. Partly sunny, with a high near 50. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Northwest wind 5 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.

    Low: 41 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Partly sunny, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers, mainly after 5am. Cloudy, with a low around 47. Calm wind becoming southeast around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 3pm. High near 54. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Mostly clear, with a low around 38. Northwest wind around 5 mph becoming calm after midnight.
Monday
A slight chance of showers before 2pm. Partly sunny, with a high near 50. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 29. Northwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 55.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Wednesday
A chance of showers before 8am. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 47.
Saturday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chatham NJ
 40.74°N 74.42°W (Elev. 299 ft)
Last Update:
4:10 am EDT Apr 19, 2026
Forecast Valid:
4am EDT Apr 19, 2026-6pm EDT Apr 25, 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