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

23°F

-5°C

Humidity 88%
Wind Speed Calm
Barometer 30.10 in (1019.3 mb)
Dewpoint 20°F (-7°C)
Visibility 0.25 mi
Last update 17 Jan 7:53 pm EST
Extended Forecast for

Califon NJ

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

  • Tonight

    Tonight: A chance of snow, mainly after 4am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely, mainly between 11am and 2pm. Cloudy, with a high near 32. Calm wind becoming northwest around 5 mph. 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 10 to 15 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 6.

    Low: 6 °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

Tonight
A chance of snow, mainly after 4am. Mostly cloudy, with a low around 28. 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 becoming northwest around 5 mph. 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 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 20.
Tuesday Night
Mostly clear, with a low around 6.
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 28.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 30.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Califon NJ
 40.72°N 74.83°W (Elev. 801 ft)
Last Update:
4:12 pm EST Jan 17, 2026
Forecast Valid:
8pm EST Jan 17, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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