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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Mostly Cloudy

51°F

11°C

Humidity 96%
Wind Speed NW 3 mph
Barometer 30.26 in (1024.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 4 Oct 2:53 am EDT
Extended Forecast for

Somerville NJ

  • Overnight

    Overnight: Partly cloudy, with a low around 54. Northeast wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 65. East wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers between 8pm and 2am. Patchy fog before 9pm, then patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 70. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44. Northwest wind around 5 mph.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. Northeast wind around 5 mph.
Sunday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 65. East wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A slight chance of showers between 8pm and 2am. Patchy fog before 9pm, then patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Monday
Partly sunny, then gradually becoming sunny, with a high near 70. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 44. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Clear, with a low around 42.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 51.
Saturday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Somerville NJ
 40.56°N 74.6°W (Elev. 72 ft)
Last Update:
8:34 pm EDT Oct 3, 2026
Forecast Valid:
3am EDT Oct 4, 2026-6pm EDT Oct 10, 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