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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Overcast

40°F

4°C

Humidity 79%
Wind Speed Calm
Barometer 30.14 in (1020.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Nov 12:53 am EST
Extended Forecast for

Raritan NJSimilar City Names

  • Overnight

    Overnight: Rain. Low around 34. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Calm wind becoming northeast around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain before 1am. Cloudy, with a low around 38. Calm wind. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Friday

    Friday: Cloudy, with a high near 57.

    High: 57 °F

    Cloudy

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 52. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain. Low around 34. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Calm wind becoming northeast around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 30. Calm wind.
Thursday
Partly sunny, with a high near 50. Calm wind.
Thursday Night
A slight chance of rain before 1am. Cloudy, with a low around 38. Calm wind. Chance of precipitation is 20%.
Friday
Cloudy, with a high near 57.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
A chance of rain. Partly sunny, with a high near 52. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 55.
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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 EST Nov 18, 2025
Forecast Valid:
1am EST Nov 19, 2025-6pm EST Nov 25, 2025
 
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Additional Resources

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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