Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Overcast

67°F

19°C

Humidity 84%
Wind Speed NE 8 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 62°F (17°C)
Visibility 9.00 mi
Last update 7 Jul 9:53 am EDT
Extended Forecast for

Somerville NJ

  • Today

    Today: A slight chance of showers and thunderstorms after 2pm.  Cloudy, with a high near 75. Northeast wind around 5 mph.  Chance of precipitation is 20%.

    High: 75 °F

    Cloudy then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 90. Chance of precipitation is 50%.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 2pm. Cloudy, with a high near 75. Northeast wind around 5 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 82. Calm wind.
Wednesday Night
Partly cloudy, with a low around 63. Calm wind.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville NJ
 40.56°N 74.63°W (Elev. 69 ft)
4:08 am EDT Jul 7, 2026
10am EDT Jul 7, 2026-6pm EDT Jul 13, 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