Severe Thunderstorms and Heavy Rain from the Plains to the Mid-Atlantic; Ongoing Heat in the South

Severe thunderstorms and showers pose a risk for excessive rain, localized flash flooding, strong gusts and/or large hail across portions of the northern and central Plains, the Lower Missouri to Lower Ohio Valleys, and across the Mid-Atlantic this afternoon and evening. Extreme heat is ongoing over the Desert Southwest and the Southeast U.S.. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Mostly Cloudy

73°F

23°C

Humidity 84%
Wind Speed S 3 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 9 Jul 7:53 am EDT
Extended Forecast for

Dunellen NJ

  • Today

    Today: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 85. Southwest wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight.  Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms after 5pm.  Increasing clouds, with a high near 88. West wind around 5 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 68. West wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 85. Northeast wind around 5 mph.  Chance of precipitation is 20%.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 85. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 88. West wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly cloudy, with a low around 68. West wind around 5 mph becoming calm.
Saturday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 85. Northeast wind around 5 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Dunellen NJ
 40.59°N 74.45°W (Elev. 75 ft)
4:08 am EDT Jul 9, 2026
8am EDT Jul 9, 2026-6pm EDT Jul 15, 2026
 
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