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

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fair

27°F

-3°C

Humidity 45%
Wind Speed NW 10 mph
Barometer 30.26 in (1024.8 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 18 Mar 3:53 am EDT
Extended Forecast for

Raritan NJ

  • Today

    Today: Increasing clouds, with a high near 41. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 41 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Southeast wind around 5 mph becoming calm.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Calm wind becoming south around 5 mph in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain after 2pm. Partly sunny, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before 8am. Partly sunny, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Rain Likely
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Increasing clouds, with a high near 41. Northwest wind around 5 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 26. Southeast wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 49. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 33. Calm wind.
Friday
A slight chance of rain after 2pm. Partly sunny, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain likely, mainly before 8am. Partly sunny, with a high near 61. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
A chance of rain after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Raritan NJ
 40.57°N 74.66°W (Elev. 102 ft)
Last Update:
4:34 am EDT Mar 18, 2026
Forecast Valid:
4am EDT Mar 18, 2026-6pm EDT Mar 24, 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