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.

Freezing Fog

27°F

-3°C

Humidity 92%
Wind Speed Calm
Barometer 30.06 in (1018.0 mb)
Dewpoint 25°F (-4°C)
Visibility 0.50 mi
Last update 18 Jan 2:53 am EST
Extended Forecast for

Long Valley NJ

Winter Weather Advisory January 18, 06:00am until January 18, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A chance of snow, mainly after 4am. Cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly between 11am and 2pm. Cloudy, with a high near 32. Calm wind. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 17. West wind around 5 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 30. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. West wind around 10 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 20.

    High: 20 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of snow, mainly after 4am. Cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly between 11am and 2pm. Cloudy, with a high near 32. Calm wind. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 17. West wind around 5 mph. Chance of precipitation is 20%.
M.L.King Day
Mostly sunny, with a high near 30. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 11. West wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 20.
Tuesday Night
Mostly clear, with a low around 7.
Wednesday
Mostly sunny, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 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:
8:24 pm EST Jan 17, 2026
Forecast Valid:
3am EST Jan 18, 2026-6pm EST Jan 24, 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