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.

A Few Clouds

49°F

9°C

Humidity 59%
Wind Speed Vrbl 3 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 19 Apr 6:53 pm EDT
Extended Forecast for

Califon NJ

Freeze Watch April 21, 12:00am until April 21, 09:00am
Frost Advisory April 20, 02:00am until April 20, 08:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, increasing clouds, with a low around 34. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.

    Low: 34 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: A chance of rain and snow showers before 9am, then a slight chance of rain showers between 9am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Monday Night

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

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 38. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 8am. Partly sunny, with a high near 62. Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, increasing clouds, with a low around 34. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.
Monday
A chance of rain and snow showers before 9am, then a slight chance of rain showers between 9am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
Mostly clear, with a low around 27. North wind around 5 mph.
Tuesday
Sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 38. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers, mainly before 8am. Partly sunny, with a high near 62. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 70.
Friday Night
A chance of showers. Partly cloudy, with a low around 45. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Califon NJ
 40.72°N 74.83°W (Elev. 801 ft)
Last Update:
4:11 pm EDT Apr 19, 2026
Forecast Valid:
7pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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