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.

Overcast

30°F

-1°C

Humidity 61%
Wind Speed S 3 mph
Barometer 29.96 in (1014.8 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 19 Jan 3:53 pm EST
Extended Forecast for

Long Valley NJ

Cold Weather Advisory January 20, 02:00am until January 20, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 9. Wind chill values as low as -3. West wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 9 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 18. Wind chill values as low as -4. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 18 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 4. West wind around 5 mph.

    Low: 4 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. Calm wind becoming south around 5 mph in the afternoon.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. Southwest wind around 5 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 9. Wind chill values as low as -3. West wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 18. Wind chill values as low as -4. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 4. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 28. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 25. Southwest wind around 5 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 6.
Saturday
Partly sunny, with a high near 14.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 15. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 4. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 19.
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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:
4:10 pm EST Jan 19, 2026
Forecast Valid:
4pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation