National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fair

64°F

18°C

Humidity 75%
Wind Speed NW 6 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 20 May 11:53 pm EDT
Extended Forecast for

Dunellen NJ

  • Overnight

    Overnight: A chance of showers before 2am, then a chance of showers after 3am. Mostly cloudy, with a low around 55. North wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 11am. Cloudy, with a high near 63. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Southeast wind around 5 mph becoming calm.

    Low: 51 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 65. East wind around 10 mph.

    High: 65 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of showers, mainly after 2am. Cloudy, with a low around 48. East wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 57. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 49. Chance of precipitation is 90%.

    Low: 49 °F

    Showers

  • Sunday

    Sunday: Showers likely before 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers after 8pm. Cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers before 2am, then a chance of showers after 3am. Mostly cloudy, with a low around 55. North wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly before 11am. Cloudy, with a high near 63. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Southeast wind around 5 mph becoming calm.
Friday
Increasing clouds, with a high near 65. East wind around 10 mph.
Friday Night
A chance of showers, mainly after 2am. Cloudy, with a low around 48. East wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, mainly after 8am. High near 57. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers. Low around 49. Chance of precipitation is 90%.
Sunday
Showers likely before 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Sunday Night
A chance of showers after 8pm. Cloudy, with a low around 55. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 80.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
Partly sunny, with a high near 82.
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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:
7:43 pm EDT May 20, 2026
Forecast Valid:
12am EDT May 21, 2026-6pm EDT May 27, 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