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

50°F

10°C

Humidity 30%
Wind Speed SW 8 mph
Barometer 30.31 in (1026.5 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 24 Mar 4:53 pm EDT
Extended Forecast for

Long Valley NJ

  • Tonight

    Tonight: Increasing clouds, with a low around 31. Southwest wind around 5 mph becoming calm.

    Low: 31 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 40. South wind around 5 mph becoming calm.

    Low: 40 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 67. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Rain, mainly after 2am. Low around 45. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 8am. High near 53. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 31. Southwest wind around 5 mph becoming calm.
Wednesday
Partly sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Cloudy, with a low around 40. South wind around 5 mph becoming calm.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 67. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Rain, mainly after 2am. Low around 45. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 8am. High near 53. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 58.
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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:
4:09 pm EDT Mar 24, 2026
Forecast Valid:
5pm EDT Mar 24, 2026-6pm EDT Mar 31, 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