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

30°F

-1°C

Humidity 96%
Wind Speed Calm
Barometer 30.10 in (1019.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 20 Apr 5:53 am EDT
Extended Forecast for

Califon NJ

Frost Advisory April 20, 06:52am until April 20, 08:00am
Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
...
Freeze Warning
  •  
    Frost Advisory April 20, 06:52am until April 20, 08:00am

    NOW until 8:00am Mon

    Frost Advisory

  • Today

    High: 47 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. North wind around 5 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 39. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 8am. Partly sunny, with a high near 62. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Today
A slight chance of showers between 8am and 9am. Patchy frost before 8am. Otherwise, mostly sunny, with a high near 47. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 27. North wind around 5 mph.
Tuesday
Sunny, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 39. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, mainly before 8am. Partly sunny, with a high near 62. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 66.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Califon NJ
 40.72°N 74.8°W (Elev. 719 ft)
Last Update:
4:10 am EDT Apr 20, 2026
Forecast Valid:
6am EDT Apr 20, 2026-6pm EDT Apr 26, 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