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

48°F

9°C

Humidity 68%
Wind Speed SE 5 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 12 May 9:53 pm EDT
Extended Forecast for

Long Valley NJ

  • Tonight

    Tonight: Increasing clouds, with a low around 47. South wind around 5 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 70. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly after 10pm. Low around 51. South wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 64. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 47. Northwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 8am. Mostly sunny, with a high near 67. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 47. South wind around 5 mph.
Wednesday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 70. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
Showers, mainly after 10pm. Low around 51. South wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 64. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 47. Northwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers before 8am. Mostly sunny, with a high near 67. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
A chance of showers. Mostly sunny, with a high near 90. 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 ft)
Last Update:
4:08 pm EDT May 12, 2026
Forecast Valid:
10pm EDT May 12, 2026-6pm EDT May 19, 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