Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fair

27°F

-3°C

Humidity 100%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 9 Jan 3:55 am EST
Extended Forecast for

Mountainside NJ

  • Today

    Today: A 40 percent chance of rain after 3pm.  Increasing clouds, with a high near 55. Calm wind becoming south 5 to 8 mph in the morning.

    High: 55 °F

    Mostly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: A 40 percent chance of rain before 10pm.  Mostly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming northwest after midnight.

    Low: 41 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Rain likely, mainly after noon.  Cloudy, with a steady temperature around 43. Light and variable wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 43 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain.  Low around 39. East wind around 6 mph becoming light and variable.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain then
    Rain Likely

  • Sunday

    Sunday: A chance of rain before noon, then a slight chance of showers after noon.  Cloudy, then gradually becoming mostly sunny, with a high near 46. West wind 8 to 16 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%.

    High: 46 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of rain after 3pm. Increasing clouds, with a high near 55. Calm wind becoming south 5 to 8 mph in the morning.
Tonight
A 40 percent chance of rain before 10pm. Mostly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming northwest after midnight.
Saturday
Rain likely, mainly after noon. Cloudy, with a steady temperature around 43. Light and variable wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Low around 39. East wind around 6 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of rain before noon, then a slight chance of showers after noon. Cloudy, then gradually becoming mostly sunny, with a high near 46. West wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.66°N 74.35°W (Elev. 141 ft)
3:06 am EST Jan 9, 2026
4am EST Jan 9, 2026-6pm EST Jan 15, 2026
 
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Additional Resources

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