Weather
Southeastern Pennsylvania Weather: Sunny Weekend, Chilly Nights October 24-25
PHILADELPHIA, PA — Residents across Philadelphia and surrounding southeastern Pennsylvania communities should prepare for chilly overnight temperatures heading into the weekend, with lows expected to
By Marcus Hale · 2026-10-21T08:24:55.640Z
PHILADELPHIA, PA — Residents across Philadelphia and surrounding southeastern Pennsylvania communities should prepare for chilly overnight temperatures heading into the weekend, with lows expected to fall near 39 degrees Friday night, October 23. Despite the colder evenings, sunshine will dominate the forecast through Sunday, while a longer range federal outlook points toward warmer than normal conditions approaching November.
According to the National Weather Service in Philadelphia/Mount Holly, Wednesday will bring sunny skies and a high near 63 degrees, followed by another mild afternoon Thursday with temperatures reaching approximately 66 degrees. The more noticeable change arrives Friday night, when temperatures in Philadelphia are forecast to drop into the upper 30s.
Friday Night Brings the Week's Coldest Forecast Temperatures The forecast low of 39 degrees Friday night represents the coldest overnight temperature in the supplied five day outlook for Philadelphia.
While this temperature remains above freezing, residents spending time outdoors late Friday or early Saturday may notice a significant difference compared with Thursday afternoon's expected high of 66 degrees.
The cooler overnight conditions could be especially noticeable for those attending outdoor events, traveling early in the morning or spending extended periods outside.
No frost advisory or freeze warning is indicated in the supplied Philadelphia forecast, and temperatures below freezing are not currently projected for the city.
Five Day Philadelphia Weather Outlook Wednesday 10/21: Sunny, with a high near 63 degrees. North winds of 10 to 15 mph. Partly cloudy overnight, with a low near 45 degrees and north winds around 10 mph.
Thursday 10/22: Sunny, with a high near 66 degrees. North winds of 10 to 15 mph. Mostly clear Thursday night, with a low near 44 degrees and wind gusts potentially reaching 20 mph.
Friday 10/23: Sunny, with a high near 60 degrees. Northeast winds of 5 to 10 mph. Mostly clear overnight, with a low near 39 degrees.
Saturday 10/24: Sunny, with a high near 61 degrees. Mostly clear Saturday night, with a low near 40 degrees.
Sunday 10/25: Sunny, with a high near 65 degrees. Mostly clear Sunday night, with a low near 44 degrees.
NOAA Signals Warmer Weather Heading Into November Looking beyond the weekend, the NOAA Climate Prediction Center's eight to 14 day temperature outlook, issued October 20, favors above normal temperatures across Pennsylvania from October 28 through November 3.
Philadelphia falls within an area showing approximately a 40% to 50% probability of above normal temperatures during that period.
The precipitation outlook places southeastern Pennsylvania near normal, indicating no strong preference toward unusually wet or dry conditions.
These longer range probabilities do not guarantee specific daily temperatures or precipitation amounts.
For residents planning weekend activities, the immediate forecast offers favorable daytime conditions, with abundant sunshine and highs generally in the lower to middle 60s.
However, temperatures dropping into the upper 30s and lower 40s overnight mean jackets and additional layers may be useful for evening activities.
The National Weather Service forecast suggests that the colder nights will be relatively brief, with afternoon temperatures recovering into the middle 60s Sunday and potentially reaching the upper 60s Monday.
Residents should monitor updated local forecasts as the weekend approaches, particularly if spending time outdoors overnight or during the early morning hours.