Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Overcast

59°F

15°C

Humidity 82%
Wind Speed S 5 mph
Barometer 30.01 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 31 Mar 3:55 am EDT
Extended Forecast for

Mountainside NJ

  • Overnight

    Overnight: Showers likely before 5am.  Mostly cloudy, with a steady temperature around 63. Southwest wind around 8 mph.  Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers between 11am and 2pm.  Mostly sunny, with a high near 80. Southwest wind 10 to 14 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 65. Southwest wind 10 to 13 mph.  Chance of precipitation is 30%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am, then a chance of rain between 8am and 2pm, then rain likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 79. Southwest wind around 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm before 2am, then a chance of rain.  Low around 47. Northeast wind around 9 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Rain

  • Thursday

    Thursday: A 30 percent chance of rain.  Cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 2am.  Cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers likely before 5am. Mostly cloudy, with a steady temperature around 63. Southwest wind around 8 mph. Chance of precipitation is 60%.
Tuesday
A slight chance of showers between 11am and 2pm. Mostly sunny, with a high near 80. Southwest wind 10 to 14 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 65. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers before 8am, then a chance of rain between 8am and 2pm, then rain likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain and possibly a thunderstorm before 2am, then a chance of rain. Low around 47. Northeast wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of rain. Cloudy, with a high near 52.
Thursday Night
A 30 percent chance of rain before 2am. Cloudy, with a low around 44.
Friday
Mostly cloudy, with a high near 72.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 55.
Sunday
A 50 percent chance of rain. Partly sunny, with a high near 75.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46.
Monday
A 30 percent chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.66°N 74.35°W (Elev. 141 ft)
2:46 am EDT Mar 31, 2026
4am EDT Mar 31, 2026-6pm EDT Apr 6, 2026
 
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Additional Resources

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