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

51°F

11°C

Humidity 80%
Wind Speed Calm
Barometer 29.93 in (1013.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 11 Mar 3:53 am EDT
Extended Forecast for

Raritan NJ

  • Today

    Today: A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 78. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 50. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 8am. Cloudy, with a temperature falling to around 45 by 2pm. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F⇓

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. West wind 5 to 10 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 50. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 36. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °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 53.

    High: 53 °F

    Cloudy

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 78. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 50. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly before 8am. Cloudy, with a temperature falling to around 45 by 2pm. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 30. West wind 5 to 10 mph.
Friday
Partly sunny, with a high near 50. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 36. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Cloudy, with a high near 53.
Sunday Night
Rain, mainly after 2am. Low around 43. Chance of precipitation is 90%.
Monday
Rain. High near 62. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Partly cloudy, with a low around 28. Chance of precipitation is 60%.
Tuesday
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:
3:16 am EDT Mar 11, 2026
Forecast Valid:
4am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation