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

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

A Few Clouds

70°F

21°C

Humidity 49%
Wind Speed Vrbl 6 mph
Barometer 29.63 in (1003.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 26 Mar 9:53 pm EDT
Extended Forecast for

Long Valley NJ

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 45. Southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers

  • Friday

    Friday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 48. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. North wind 5 to 10 mph.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 41. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 45. Southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 48. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 26. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 41. Northwest wind around 10 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 25. Calm wind.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 59.
Monday Night
A chance of rain after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Thursday
A chance of rain. Partly sunny, with a high near 68. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Valley NJ
 40.78°N 74.76°W (Elev. 725 ft)
Last Update:
4:10 pm EDT Mar 26, 2026
Forecast Valid:
10pm EDT Mar 26, 2026-6pm EDT Apr 2, 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