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.

Overcast

73°F

23°C

Humidity 62%
Wind Speed Calm
Barometer 29.67 in (1004.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 11 Mar 7:53 pm EDT
Extended Forecast for

Long Valley NJ

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 40. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain before noon, then a chance of rain and snow between noon and 2pm, then a chance of snow after 2pm. Temperature falling to around 38 by 1pm. Northwest wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 48 °F⇓

    Rain then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 27. Northwest wind around 5 mph.

    Low: 27 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 46. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 46 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 49.

    High: 49 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Chance Rain
    then Rain

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 40. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain before noon, then a chance of rain and snow between noon and 2pm, then a chance of snow after 2pm. Temperature falling to around 38 by 1pm. Northwest wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 27. Northwest wind around 5 mph.
Friday
Increasing clouds, with a high near 46. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 35. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Cloudy, with a high near 49.
Sunday Night
Rain, mainly after 2am. Low around 40. Chance of precipitation is 90%.
Monday
Rain. High near 61. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Tuesday
A chance of snow. Mostly sunny, with a high near 36. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Valley NJ
 40.78°N 74.76°W (Elev. 725 ft)
Last Update:
7:13 pm EDT Mar 11, 2026
Forecast Valid:
8pm EDT Mar 11, 2026-6pm EDT Mar 18, 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