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.

Overcast

70°F

21°C

Humidity 83%
Wind Speed NE 5 mph
Barometer 29.89 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 17 Apr 4:48 pm EDT
Extended Forecast for

Brookside NJ

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 5pm, then a slight chance of showers. Mostly sunny, with a high near 78. North wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 7pm. Increasing clouds, with a low around 53. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Light east wind becoming southeast 5 to 10 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely after 2am. Increasing clouds, with a low around 44. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers. High near 55. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Partly cloudy, with a low around 34. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 5pm, then a slight chance of showers. Mostly sunny, with a high near 78. North wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers before 7pm. Increasing clouds, with a low around 53. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 65. Light east wind becoming southeast 5 to 10 mph in the afternoon.
Saturday Night
Showers likely after 2am. Increasing clouds, with a low around 44. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers. High near 55. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely, mainly before 8pm. Partly cloudy, with a low around 34. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 45.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brookside NJ
 40.78°N 74.61°W (Elev. 518 ft)
Last Update:
4:10 pm EDT Apr 17, 2026
Forecast Valid:
4pm EDT Apr 17, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation