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.

Fog/Mist

48°F

9°C

Humidity 96%
Wind Speed Vrbl 3 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 47°F (8°C)
Visibility 3.00 mi
Last update 19 Apr 12:53 am EDT
Extended Forecast for

Dunellen NJ

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Overnight

    Overnight: A chance of showers, mainly after 5am. Areas of fog after 3am. Otherwise, cloudy, with a low around 49. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers and
    Areas Fog

  • Sunday

    Sunday: Showers, mainly before 2pm. Areas of fog before 8am. High near 54. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind around 5 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers. Mostly sunny, with a high near 51. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Patchy frost after 1am. Otherwise, mostly clear, with a low around 31. North wind 5 to 10 mph.

    Low: 31 °F

    Mostly Clear
    then Patchy
    Frost

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 54.

    High: 54 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers, mainly after 5am. Areas of fog after 3am. Otherwise, cloudy, with a low around 49. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 2pm. Areas of fog before 8am. High near 54. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly clear, with a low around 38. West wind around 5 mph.
Monday
A slight chance of showers. Mostly sunny, with a high near 51. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Patchy frost after 1am. Otherwise, mostly clear, with a low around 31. North wind 5 to 10 mph.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 64.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dunellen NJ
 40.61°N 74.47°W (Elev. 220 ft)
Last Update:
4:11 pm EDT Apr 18, 2026
Forecast Valid:
1am EDT Apr 19, 2026-6pm EDT Apr 25, 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