Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fog/Mist

58°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 29.89 in (1012.1 mb)
Dewpoint 58°F (14°C)
Visibility 4.00 mi
Last update 24 Jun 1:53 am EDT
Extended Forecast for

Dunellen NJ

  • Overnight

    Overnight: Mostly clear, with a low around 60. North wind around 10 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Northwest wind around 10 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 64. South wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 83. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly after 2am.  Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm.  High near 77. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 60. North wind around 10 mph.
Wednesday
Sunny, with a high near 82. Northwest wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers, mainly after 2am. Low around 66. Chance of precipitation is 80%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 77. Chance of precipitation is 80%.
Saturday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Dunellen NJ
 40.61°N 74.47°W (Elev. 220 ft)
4:09 pm EDT Jun 23, 2026
2am EDT Jun 24, 2026-6pm EDT Jun 30, 2026
 
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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