Long-Range Weather Forecast For Philadelphia, PA

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Free 2-Month Weather Forecast

December 2025 Long Range Weather Forecast for Atlantic Corridor

Dates	Weather Conditions
Dec 1-3	Showers, mild
Dec 4-12	Snow showers north, sunny south; turning cold
Dec 13-15	Sunny, cold
Dec 16-29	Rain and snow showers, then sunny; turning very cold
Dec 30-31	Snowy, cold
December	temperature 38° (3° below avg.)precipitation 1.5" (2" below avg.)

January 2026 Long Range Weather Forecast for Atlantic Corridor

Dates	Weather Conditions
Jan 1-7	Flurries north, sunny south; bitter cold
Jan 8-10	Snowy, cold
Jan 11-24	Sunny; cold, then turning mild
Jan 25-26	Rainy, milder
Jan 27-31	Sunny, colder
January	temperature 35° (2° below avg.)precipitation 1.5" (2" below avg.)

The 12-Month Long-Range Weather Report From The 2025 Old Farmer's Almanac

November 2025 to October 2026

Winter temperatures will be above normal, while precipitation and snowfall will be below normal. The coldest periods will occur in mid- to late December and early and late January. The snowiest periods will be in late December, early January, and late February. April and May will end up warmer and drier than usual. Summer will be hotter and drier than normal. The hottest periods will be in early June and early and mid-July. Watch for tropical storms in late June and mid-August. September and October temperatures and precipitation will be below normal.

See the complete 12-month weather predictions in The Old Farmer's Almanac.

Weather Trend Graph

November 2025 to October 2026

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