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.

Overcast

48°F

9°C

Humidity 96%
Wind Speed Vrbl 3 mph
Barometer 29.80 in (1009.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 19 Apr 3:53 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. Cloudy, with a low around 47. Calm wind becoming east around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 3pm. High near 55. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. West wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers before 2pm. Partly sunny, with a high near 52. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. North wind 5 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.

    Low: 41 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Partly sunny, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

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

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers, mainly after 5am. Cloudy, with a low around 47. Calm wind becoming east around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 3pm. High near 55. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Mostly clear, with a low around 39. West wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers before 2pm. Partly sunny, with a high near 52. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 29. North wind 5 to 10 mph.
Tuesday
Sunny, with a high near 55.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Wednesday
A chance of showers before 8am. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 49.
Saturday
A chance of showers. Partly sunny, with a high near 68. 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:
4:10 am EDT Apr 19, 2026
Forecast Valid:
4am EDT Apr 19, 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