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.

Snow Freezing Fog

31°F

-1°C

Humidity 92%
Wind Speed Calm
Barometer 30.02 in (1016.9 mb)
Dewpoint 29°F (-2°C)
Visibility 0.50 mi
Last update 17 Jan 11:53 am EST
Extended Forecast for

Long Valley NJ

Winter Weather Advisory January 17, 12:47pm until January 17, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 17, 12:47pm until January 17, 04:00pm

    NOW until 4:00pm Sat

    Winter Weather Advisory

  • This Afternoon

    High: 34 °F

    Heavy Snow

  • Tonight

    Tonight: A slight chance of snow after 4am. Mostly cloudy, with a low around 26. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of snow, mainly between 7am and 1pm. Cloudy, with a high near 33. Calm wind becoming west around 5 mph. 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. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 19.

    High: 19 °F

    Sunny

  • Tuesday Night

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

    Low: 8 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Snow, mainly before 2pm. The snow could be heavy at times. High near 34. Southwest wind around 5 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A slight chance of snow after 4am. Mostly cloudy, with a low around 26. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Sunday
A chance of snow, mainly between 7am and 1pm. Cloudy, with a high near 33. Calm wind becoming west around 5 mph. 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. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Sunny, with a high near 19.
Tuesday Night
Mostly clear, with a low around 8.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 29.
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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:
9:30 am EST Jan 17, 2026
Forecast Valid:
12pm EST Jan 17, 2026-6pm EST Jan 23, 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