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

66°F

19°C

Humidity 61%
Wind Speed SE 12 G 20 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Apr 2:53 pm EDT
Extended Forecast for

Dunellen NJ

Freeze Watch April 21, 12:00am until April 21, 09:00am
Coastal Flood Advisory April 18, 08:00pm until April 19, 02:00am
Click here for hazard details and duration
Freeze Watch
Coastal Flood Advisory

  • Tonight

    Tonight: A chance of showers, mainly between 1am and 5am. Mostly cloudy, with a low around 51. Southeast wind 5 to 10 mph becoming light east after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly between 8am and 2pm. High near 56. Northwest wind 5 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 38. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 53. Northwest wind 5 to 15 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 32. North wind around 5 mph.

    Low: 32 °F

    Mostly Clear
    then Patchy
    Frost

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly between 1am and 5am. Mostly cloudy, with a low around 51. Southeast wind 5 to 10 mph becoming light east after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly between 8am and 2pm. High near 56. Northwest wind 5 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 38. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 53. Northwest wind 5 to 15 mph.
Monday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 32. North wind around 5 mph.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly 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
 40.59°N 74.48°W (Elev. 72 ft)
Last Update:
4:11 am EDT Apr 18, 2026
Forecast Valid:
3pm EDT Apr 18, 2026-6pm EDT Apr 25, 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