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.

Overcast

47°F

8°C

Humidity 83%
Wind Speed E 5 mph
Barometer 30.43 in (1030.5 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 2 Apr 12:53 pm EDT
Extended Forecast for

Raritan NJ

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 48. East wind around 10 mph.

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers between midnight and 2am. Cloudy, with a low around 40. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Cloudy then
    Slight Chance
    Showers

  • Friday

    Friday: Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 69. Chance of precipitation is 90%.

    High: 69 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 8pm. Partly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 48. East wind around 10 mph.
Tonight
A slight chance of showers between midnight and 2am. Cloudy, with a low around 40. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm after midnight.
Saturday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers. High near 69. Chance of precipitation is 90%.
Sunday Night
Showers likely before 8pm. Partly cloudy, with a low around 38. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 52.
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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:
4:11 am EDT Apr 2, 2026
Forecast Valid:
1pm EDT Apr 2, 2026-6pm EDT Apr 8, 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