Weather
NJ Weather Alert: Penns Grove Frost, Rain and Cold Nov 11-16
New Jersey — Frost covered lawns, patchy morning fog and a sharp November temperature swing are bringing changing conditions to Penns Grove and surrounding South Jersey communities.
By Cameron Hayes · 2026-11-11T09:14:12.949Z
New Jersey — Frost covered lawns, patchy morning fog and a sharp November temperature swing are bringing changing conditions to Penns Grove and surrounding South Jersey communities.
A National Weather Service Frost Advisory remains in effect until 9 a.m. Wednesday, November 11, with temperatures as low as 35 degrees capable of damaging sensitive outdoor vegetation.
Warmer afternoon sunshine will offer temporary relief before rain arrives Thursday and colder temperatures return heading into the weekend.
According to the National Weather Service in Mount Holly, the advisory covers Salem, Gloucester, Camden and Cumberland counties.
Communities including Penns Grove, Glassboro, Cherry Hill, Camden and Millville are included.
Frost Advisory Raises Concerns for South Jersey Gardens The advisory warns that frost could harm sensitive outdoor vegetation, potentially killing unprotected plants.
Residents with late season gardens, flowers or potted plants should take precautions.
Patchy fog is also possible during the morning hours, with some areas experiencing reduced visibility before conditions improve.
Drivers along Interstate 295, the New Jersey Turnpike and Route 130 should remain alert where fog develops.
By afternoon, temperatures climb near 64 degrees under mostly sunny skies.
That warmer stretch will not last.
Thursday Brings 80% Rain Chance Thursday, November 12, introduces a significant weather change across Salem County.
Rain becomes likely after 9 a.m., with precipitation chances reaching 80%.
Temperatures remain relatively mild, climbing near 64 degrees.
The National Weather Service expects rainfall amounts between one tenth and one quarter inch.
Wet pavement could affect travel along Interstate 295 and nearby Delaware River crossings.
Thursday night temperatures fall toward 41 degrees, with a 30% chance of additional rain.
Friday Turns Colder as Weekend Approaches Friday, November 13, brings a noticeable cooldown.
High temperatures reach only 49 degrees, approximately 15 degrees below Thursday's expected high.
A 30% chance of rain continues before 1 p.m., followed by improving conditions.
Friday night temperatures fall near 36 degrees.
The broader national weather pattern supports the colder trend. The Weather Prediction Center is tracking a substantial push of polar air into the eastern United States.
Saturday Offers Sunshine, but Cold Mornings Return Saturday, November 14, looks mostly sunny, with highs near 48 degrees.
Temperatures fall toward 36 degrees Saturday night.
Sunday brings mostly sunny skies and highs near 50 degrees, followed by lows around 35 degrees.
Although temperatures approach freezing, the supplied outlook does not establish another Frost Advisory for the weekend.
Residents should continue monitoring temperature changes, especially in colder outlying locations.
Five Day Penns Grove Weather Outlook Thursday, Nov. 12: Rain likely, high 64°F. Precipitation chance 80%. Low 41°F. Friday, Nov. 13: Chance of morning rain, high 49°F. Precipitation chance 30%. Low 36°F. Saturday, Nov. 14: Mostly sunny, high 48°F. Low 36°F. Sunday, Nov. 15: Mostly sunny, high 50°F. Low 35°F. Monday, Nov. 16: Sunny, high 51°F. Low 33°F. Tuesday, November 17, continues the relatively quiet pattern, with mostly sunny skies and highs near 52 degrees.
Looking toward Thanksgiving, additional cold spells remain possible, although no specific snow event is established for Penns Grove.
Did you notice frost or patchy fog around Penns Grove this morning? Tell us what conditions looked like in your neighborhood.