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.

Fair

29°C

84°F

Humidity 67%
Wind Speed W 7 km/h
Barometer 1010.6 mb (29.85 in)
Dewpoint 22°C (72°F)
Visibility 14 km
Heat Index32°C (90°F)
Last update 17 Jul 9:53 pm EDT
Extended Forecast for

Long Valley NJ

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Northwest wind around 10 km/h.

    Low: 20 °C

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28. Northwest wind around 10 km/h.

    High: 28 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °C

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 28. Calm wind becoming south 5 to 10 km/h in the afternoon. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 28 °C

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 21 °C

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 29. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 29 °C

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °C

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 27.

    High: 27 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 15.

    Low: 15 °C

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. Northwest wind around 10 km/h.
Friday
Mostly sunny, with a high near 28. Northwest wind around 10 km/h.
Friday Night
Partly cloudy, with a low around 17. Calm wind.
Saturday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 28. Calm wind becoming south 5 to 10 km/h in the afternoon. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 29. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 17. Chance of precipitation is 30%.
Monday
Sunny, with a high near 27.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Sunny, with a high near 28.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
A chance of showers. Mostly sunny, with a high near 30. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 19. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 32. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Valley NJ
 40.8°N 74.76°W (Elev. 600 m)
Last Update:
9:34 pm EDT Jul 17, 2025
Forecast Valid:
11pm EDT Jul 17, 2025-6pm EDT Jul 24, 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