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

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fair

66°F

19°C

Humidity 59%
Wind Speed NW 9 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 15 Oct 10:53 am EDT
Extended Forecast for

South River NJ

  • Today

    Today: Mostly sunny, with a high near 68. North wind 5 to 10 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. North wind around 5 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. North wind 5 to 10 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. North wind 5 to 10 mph.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 68. North wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 41. North wind around 5 mph.
Thursday
Sunny, with a high near 61. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 40. North wind 5 to 10 mph.
Friday
Sunny, with a high near 63. North wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 40.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Showers likely after 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Monday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South River NJ
 40.45°N 74.39°W (Elev. 75 ft)
Last Update:
4:09 am EDT Oct 15, 2025
Forecast Valid:
11am EDT Oct 15, 2025-6pm EDT Oct 21, 2025
 
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