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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Overcast

70°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 30.27 in (1025.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 16 Sep 9:53 pm EDT
Extended Forecast for

Somerville NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 84. Calm wind becoming south around 5 mph in the morning.

    High: 84 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. South wind around 5 mph becoming west after midnight. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 83. North wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. North wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 84. Calm wind becoming south around 5 mph in the morning.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. South wind around 5 mph becoming west after midnight. Chance of precipitation is 30%.
Friday
Sunny, with a high near 83. North wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 56. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Sunday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Monday
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville NJ
 40.56°N 74.6°W (Elev. 72 ft)
Last Update:
6:57 pm EDT Sep 16, 2026
Forecast Valid:
11pm EDT Sep 16, 2026-6pm EDT Sep 23, 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