Philadelphia, PA – Drivers across New Jersey, eastern Pennsylvania and Delaware could encounter patchy freezing fog late tonight into early Saturday, creating slick spots and reduced visibility during the overnight and early morning hours.
According to the US National Weather Service in Mount Holly, patchy freezing fog is possible overnight as temperatures fall well below freezing across much of the region. Overnight lows are expected to dip into the low 20s in inland areas including Sussex County, NJ, the Poconos and the Lehigh Valley. Philadelphia is forecast to reach around 27 degrees, while South Jersey and Delaware communities such as Atlantic City, Dover and Cape May hover near 30 to 31 degrees.
Forecasters say the combination of light winds, lingering moisture and cold surface temperatures may allow fog to develop in localized areas. Where fog forms, visibility could drop quickly, and untreated roads, bridges and overpasses may become slippery.
The greatest risk appears to be in rural and low-lying areas across northern and central New Jersey, eastern Pennsylvania and parts of Delaware. Coastal communities may remain closer to the freezing mark but could still see isolated slick spots.
Motorists heading out early Saturday should allow extra travel time, use low-beam headlights in fog and watch for icy patches—especially on elevated surfaces.
Have you noticed fog developing in your neighborhood tonight? Let us know what conditions look like where you are.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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