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Briefing for Impacts from Hurricane Erin through Friday

Hurricane Erin is expected to bring several coastal and marine hazards to the coasts of New Jersey and Delaware through Friday. Widespread coastal flooding, high surf, high risk of rip currents, beach erosion, and dangerous marine conditions are forecast. View this briefing for details on these threats. Read More >

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Light Rain

68°F

20°C

Humidity 100%
Wind Speed E 8 mph
Barometer 30.02 in
Dewpoint 68°F (20°C)
Visibility 2.50 mi
Last update 20 Aug 4:45 pm EDT
Extended Forecast for

New Vernon NJ

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Cloudy, with a high near 72. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Low around 59. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and noon. Mostly cloudy, with a high near 72. Northeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. North wind around 10 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 83. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a high near 72. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Low around 59. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and noon. Mostly cloudy, with a high near 72. Northeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 56. North wind around 10 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 83. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Monday Night
A chance of thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Vernon NJ
 40.72°N 74.48°W (Elev. 269 ft)
Last Update:
4:10 pm EDT Aug 20, 2025
Forecast Valid:
4pm EDT Aug 20, 2025-6pm EDT Aug 27, 2025
 
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