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

57°F

14°C

Humidity 36%
Wind Speed SW 7 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 25 Mar 3:53 pm EDT
Extended Forecast for

Long Valley NJ

  • Tonight

    Tonight: Cloudy, with a low around 40. South wind 5 to 10 mph.

    Low: 40 °F

    Cloudy

  • Thursday

    Thursday: A slight chance of showers after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 70. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 7pm, then showers after 8pm. Low around 49. 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: 49 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 8am. High near 50. North wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. North wind around 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 40. South wind 5 to 10 mph.
Thursday
A slight chance of showers after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 70. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers before 7pm, then showers after 8pm. Low around 49. 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
Showers, mainly before 8am. High near 50. North wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly cloudy, with a low around 26. North wind around 5 mph.
Saturday
Sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly cloudy, with a high near 56.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
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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:
4:10 pm EDT Mar 25, 2026
Forecast Valid:
4pm EDT Mar 25, 2026-6pm EDT Apr 1, 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