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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

A Few Clouds

71°F

22°C

Humidity 79%
Wind Speed NW 9 mph
Barometer 29.72 in (1006.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 29 Jul 9:51 pm EDT
Extended Forecast for

Penns Grove NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 81. Northwest wind around 15 mph.

    High: 81 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. North wind 5 to 10 mph.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. North wind around 5 mph becoming west in the afternoon.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. South wind around 5 mph becoming calm after midnight.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 67. West wind around 10 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 81. Northwest wind around 15 mph.
Thursday Night
Mostly clear, with a low around 67. North wind 5 to 10 mph.
Friday
Sunny, with a high near 85. North wind around 5 mph becoming west in the afternoon.
Friday Night
Partly cloudy, with a low around 68. South wind around 5 mph becoming calm after midnight.
Saturday
Partly sunny, with a high near 86.
Saturday Night
Mostly cloudy, with a low around 70.
Sunday
A chance of showers. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
Monday Night
A chance of thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Penns Grove NJ
 39.72°N 75.46°W (Elev. 3 ft)
Last Update:
3:20 pm EDT Jul 29, 2026
Forecast Valid:
10pm EDT Jul 29, 2026-6pm EDT Aug 5, 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