National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Mostly Cloudy

39°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 22 Mar 3:35 am EDT
Extended Forecast for

Denville NJ

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 30%.

    Low: 40 °F

    Scattered
    Showers

  • Sunday

    Sunday: A chance of showers after 5pm. Mostly cloudy, with a high near 65. Southwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers before midnight, then rain after midnight. Low around 39. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers

  • Monday

    Monday: A chance of rain before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 46. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain after 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 30%.
Sunday
A chance of showers after 5pm. Mostly cloudy, with a high near 65. Southwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers before midnight, then rain after midnight. Low around 39. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of rain before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 46. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 28. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 54.
Wednesday Night
A chance of rain after 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denville NJ
 40.88°N 74.48°W (Elev. 574 ft)
Last Update:
3:10 am EDT Mar 22, 2026
Forecast Valid:
3am EDT Mar 22, 2026-6pm EDT Mar 28, 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