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.

Overcast

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 55°F (13°C)
Visibility 7.00 mi
Last update 16 Oct 6:35 am EDT
Extended Forecast for

Mountainside NJ

  • Today

    Today: Showers before 11am, then showers and possibly a thunderstorm after 5pm. High near 77. Southwest wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 47. West wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a steady temperature around 50. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Clear, with a low around 36. North wind 6 to 9 mph.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 56. North wind around 5 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Showers before 11am, then showers and possibly a thunderstorm after 5pm. High near 77. Southwest wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 47. West wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a steady temperature around 50. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.
Saturday Night
Clear, with a low around 36. North wind 6 to 9 mph.
Sunday
Sunny, with a high near 56. North wind around 5 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.66°N 74.35°W (Elev. 141 ft)
Last Update:
3:47 am EDT Oct 16, 2026
Forecast Valid:
6am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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