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.

Partly Cloudy

68°F

20°C

Humidity 73%
Wind Speed Calm
Barometer 29.75 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Apr 2:35 am EDT
Extended Forecast for

Chatham NJ

  • Overnight

    Overnight: A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 66. West wind around 10 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 5pm. Partly sunny, with a high near 80. North wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56. North wind 5 to 10 mph becoming east after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. Southeast wind 5 to 10 mph.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 51. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers likely after 2pm. High near 57. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Partly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 66. West wind around 10 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 5pm. Partly sunny, with a high near 80. North wind 10 to 15 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 56. North wind 5 to 10 mph becoming east after midnight.
Saturday
Partly sunny, with a high near 68. Southeast wind 5 to 10 mph.
Saturday Night
A slight chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 51. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers likely after 2pm. High near 57. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely, mainly before 8pm. Partly cloudy, with a low around 37. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham NJ
 40.74°N 74.39°W (Elev. 256 ft)
Last Update:
10:24 pm EDT Apr 16, 2026
Forecast Valid:
2am EDT Apr 17, 2026-6pm EDT Apr 23, 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