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

70°F

21°C

Humidity 34%
Wind Speed SW 12 G 21 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 26 Mar 12:53 pm EDT
Extended Forecast for

Raritan NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 75. Southwest wind around 10 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 49. South wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 52. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain before 11pm, then a slight chance of snow between 11pm and 2am. Mostly cloudy, with a low around 28. North wind around 5 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Sunny, with a high near 43. Northwest wind 10 to 15 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 75. Southwest wind around 10 mph, with gusts as high as 25 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 49. South wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 52. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of rain before 11pm, then a slight chance of snow between 11pm and 2am. Mostly cloudy, with a low around 28. North wind around 5 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 43. Northwest wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 61.
Monday Night
A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Raritan NJ
 40.59°N 74.65°W (Elev. 138 ft)
Last Update:
12:06 pm EDT Mar 26, 2026
Forecast Valid:
1pm EDT Mar 26, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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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