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.

Fog/Mist

64°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 29.62 in (1003.0 mb)
Dewpoint 62°F (17°C)
Visibility 4.00 mi
Last update 11 Mar 10:53 pm EDT
Extended Forecast for

Raritan NJ

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 45. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain before 4pm, then a chance of rain and snow between 4pm and 5pm, then a chance of rain after 5pm. Temperature falling to around 40 by 5pm. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 53 °F⇓

    Rain then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 28. West wind around 5 mph becoming calm after midnight.

    Low: 28 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 49. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 30 mph.

    High: 49 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. South wind 10 to 15 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 51.

    High: 51 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 42. Chance of precipitation is 90%.

    Low: 42 °F

    Chance Rain
    then Rain

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 45. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain before 4pm, then a chance of rain and snow between 4pm and 5pm, then a chance of rain after 5pm. Temperature falling to around 40 by 5pm. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 28. West wind around 5 mph becoming calm after midnight.
Friday
Increasing clouds, with a high near 49. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 37. South wind 10 to 15 mph.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Cloudy, with a high near 51.
Sunday Night
Rain, mainly after 2am. Low around 42. Chance of precipitation is 90%.
Monday
Rain. High near 63. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Tuesday
A chance of snow. Mostly sunny, with a high near 38. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 39.
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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:
10:05 pm EDT Mar 11, 2026
Forecast Valid:
11pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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