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.

Fair

66°F

19°C

Humidity 88%
Wind Speed SW 7 mph
Barometer 29.86 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 13 Oct 10:55 pm EDT
Extended Forecast for

Chatham NJ

  • Tonight

    Tonight: Clear, with a low around 64. Southwest wind around 5 mph.

    Low: 64 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 54. North wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. North wind around 5 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 53. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Slight Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers

  • Friday Night

    Friday Night: Showers before 8pm. Low around 42. Breezy. Chance of precipitation is 80%.

    Low: 42 °F

    Showers and
    Breezy then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51. Breezy.

    High: 51 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

Detailed Forecast

Tonight
Clear, with a low around 64. Southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 81. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 54. North wind around 5 mph.
Thursday
Sunny, with a high near 67. North wind around 5 mph.
Thursday Night
Showers, mainly after 2am. Low around 53. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers before 8pm. Low around 42. Breezy. Chance of precipitation is 80%.
Saturday
Sunny, with a high near 51. Breezy.
Saturday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 35.
Sunday
Patchy frost before 9am. Otherwise, sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 67.
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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:
4:09 pm EDT Oct 13, 2026
Forecast Valid:
11pm EDT Oct 13, 2026-6pm EDT Oct 20, 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