Lehigh Valley/ Weather & Environment

No Tricks, Just Treats: Allentown Basks in Warm, Dry Halloween Weekend

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Published on October 28, 2026
No Tricks, Just Treats: Allentown Basks in Warm, Dry Halloween WeekendSource: Google Street View

Allentown is waking to a chilly but clear start Wednesday, with temperatures in the low 40s before sunshine helps push the afternoon high near 65 degrees. The warm-up continues through Friday, setting up a mild, mostly dry Halloween weekend across the Lehigh Valley.

Warmth Builds Through Friday

The National Weather Service forecast calls for sunny and dry skies Wednesday and nearly calm winds. Thursday should be mostly sunny with a high near 70, followed by temperatures reaching the mid-70s or so Friday, with west winds around 5 to 10 mph.

Wednesday night will turn partly cloudy with a low around 42, while Thursday night stays milder near 50. Patchy fog could develop in some rural spots overnight, but no significant weather concerns are expected.

Halloween Looks Mostly Dry

Saturday, Halloween, should bring mostly sunny skies and a high near 64 degrees. Saturday should be mild and dry, with favorable conditions for outdoor plans.

Sunday remains fairly mild near 67 under partly sunny skies, although the night will become mostly cloudy with a low around 46. Conditions should stay dry through Saturday, though rain may arrive Sunday or Monday.

Showers Return Early Next Week

The next notable shift may come Sunday or Monday, when rain could arrive.

No watches, warnings or advisories are currently posted for the area.