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Extreme Heat and Excessive Rainfall This Week

A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. Excessive rainfall my bring life-threatening and locally catastrophic flash and urban flooding across portions of southwestern Texas through early Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fog/Mist

73°F

23°C

Humidity 87%
Wind Speed Calm
Barometer 29.88 in (1011.7 mb)
Dewpoint 69°F (21°C)
Visibility 6.00 mi
Last update 15 Jul 6:53 am EDT
Extended Forecast for

Chester NJSimilar City Names

Heat Advisory July 15, 10:00am until July 15, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Patchy smoke between 10am and 11am. Mostly sunny, with a high near 96. Heat index values as high as 101. West wind 5 to 15 mph.

    High: 96 °F

    Patchy Smoke
    then Mostly
    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Areas of smoke. Partly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Areas Smoke

  • Thursday

    Thursday: Widespread smoke, mainly after 2pm. Partly sunny, with a high near 89. West wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 89 °F

    Smoke

  • Thursday Night

    Thursday Night: Widespread smoke, mainly before 9pm. Partly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Smoke

  • Friday

    Friday: Mostly sunny, with a high near 86. Calm wind becoming northwest around 5 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm, mainly before 2am. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

Detailed Forecast

Today
Patchy smoke between 10am and 11am. Mostly sunny, with a high near 96. Heat index values as high as 101. West wind 5 to 15 mph.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Areas of smoke. Partly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Thursday
Widespread smoke, mainly after 2pm. Partly sunny, with a high near 89. West wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday Night
Widespread smoke, mainly before 9pm. Partly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 86. Calm wind becoming northwest around 5 mph.
Friday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm, mainly before 2am. Low around 65. Chance of precipitation is 80%.
Sunday
Partly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 85.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chester NJSimilar City Names
 40.79°N 74.7°W (Elev. 748 ft)
Last Update:
4:08 am EDT Jul 15, 2026
Forecast Valid:
7am EDT Jul 15, 2026-6pm EDT Jul 21, 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