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.

Fair

63°F

17°C

Humidity 68%
Wind Speed N 8 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 3 Oct 2:53 am EDT
Extended Forecast for

Raritan NJSimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. North wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Northeast wind 5 to 10 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers, mainly after 2pm. Increasing clouds, with a high near 66. East wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Cloudy, with a low around 55. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 72. Northeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm.
Sunday
A chance of showers, mainly after 2pm. Increasing clouds, with a high near 66. East wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A chance of showers before 2am. Cloudy, with a low around 55. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 71.
Monday Night
Clear, with a low around 44.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Clear, with a low around 40.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Raritan NJSimilar City Names
 40.56°N 74.63°W (Elev. 69 ft)
Last Update:
4:10 pm EDT Oct 2, 2026
Forecast Valid:
3am EDT Oct 3, 2026-6pm EDT Oct 9, 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