Weather
Allentown, PA Freeze Warning Tonight: 32°F Lows Oct. 17-18
Allentown, PA – Residents across eastern Pennsylvania and northwestern New Jersey are preparing for a sharp temperature drop Saturday night, October 17, into Sunday morning, October 18, as freezing te
By Grant Holloway · 2026-10-17T15:56:17.873Z
Allentown, PA – Residents across eastern Pennsylvania and northwestern New Jersey are preparing for a sharp temperature drop Saturday night, October 17, into Sunday morning, October 18, as freezing temperatures threaten parts of the region following a day of gusty winds reaching 40 mph.
According to the National Weather Service NWS Philadelphia/Mount Holly office, a Freeze Warning is in effect through Sunday morning for the southern Poconos, Lehigh Valley and portions of northwestern New Jersey. Temperatures in some communities could reach 32°F or lower overnight.
Saturday, October 17: Strong Winds and Cooler Conditions
A strong cold front is bringing significantly cooler weather across Pennsylvania, New Jersey and Delaware.
Allentown, PA, is forecast to reach 51°F Saturday, while Reading, PA, could see 52°F. Philadelphia, PA, and Trenton, NJ, are expected to reach approximately 53°F, with Atlantic City, NJ, near 54°F.
Northwest winds could gust between 35 and 40 mph Saturday before gradually diminishing during the evening.
Overnight October 17 18: Temperatures Approach Freezing
The coldest conditions are expected Saturday night into Sunday morning.
Allentown, PA, could fall to 32°F, while Reading, PA, may reach 34°F. Philadelphia, PA, is forecast near 36°F, and Trenton, NJ, could drop to 35°F.
Farther south, Wilmington, DE, may reach 37°F, while Atlantic City, NJ, remains warmer near 44°F.
Residents Urged to Protect Sensitive Plants
The Freeze Warning could affect gardens, outdoor vegetation and temperature sensitive plants across the warned areas.
Residents should bring potted plants indoors and cover vulnerable vegetation before temperatures fall Saturday evening.
Although winds will decrease overnight, freezing conditions remain possible through early Sunday, October 18.
Residents should monitor updated NWS forecasts for changes to local warnings and temperatures.