National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fair

34°F

1°C

Humidity 35%
Wind Speed SW 8 mph
Barometer 29.93 in (1013.8 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 16 Jan 2:53 pm EST
Extended Forecast for

Long Valley NJ

Winter Weather Advisory January 17, 01:00am until January 17, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A chance of snow after 2am. The snow could be heavy at times. Increasing clouds, with a low around 25. Southwest wind around 5 mph becoming calm. Chance of precipitation is 50%. Total nighttime snow accumulation of around an inch possible.

    Low: 25 °F

    Partly Cloudy
    then Heavy
    Snow

  • Saturday

    Saturday: Snow, mainly before 1pm. High near 36. South wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 36 °F

    Snow

  • Saturday Night

    Saturday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 20%.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 33. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 17. West wind around 5 mph.

    Low: 17 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 18.

    High: 18 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of snow after 2am. The snow could be heavy at times. Increasing clouds, with a low around 25. Southwest wind around 5 mph becoming calm. Chance of precipitation is 50%. Total nighttime snow accumulation of around an inch possible.
Saturday
Snow, mainly before 1pm. High near 36. South wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 20%.
Sunday
A chance of snow. Mostly cloudy, with a high near 33. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a low around 17. West wind around 5 mph.
M.L.King Day
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Sunny, with a high near 18.
Tuesday Night
Mostly clear, with a low around 8.
Wednesday
Mostly sunny, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 18.
Friday
A chance of snow. Partly sunny, with a high near 29. Chance of precipitation is 30%.
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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:
2:01 pm EST Jan 16, 2026
Forecast Valid:
3pm EST Jan 16, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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