Philadelphia Weather Forecast

    • 23
    • 28

    Snow Showers

    • 20
    • 38

    Rain/Snow Likely

    • 27
    • 41

    Rain/Snow

    • 8
    • 37

    Chance Snow Showers

    • 23
    • 33

    Snow Showers Likely

    • 13
    • 33

    Chance Snow Showers

Today 16 Dec Jefferson

Lake effect snow in the morning. Additional accumulation up to 2 Inches in the most persistent Snows. Highs Ranging from the upper 20s inland to the lower 30s along the lake Ontario shore. Southwest Winds 5 to 10 Mph, becoming south 10 to 15 Mph. Chance of snow 90 percent.

Tonight 16 Dec Jefferson

Lake effect snow. Additional accumulation 2 to 4 Inches in the most persistent Snows. Lows Ranging from 10 to 15 across the tug hill to 15 to 20 along the lake Ontario shore. Southwest Winds 5 to 10 Mph. Chance of snow near 100 percent.

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Philadelphia Temperature Statistics

December Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (6.8 miles)

  • Lowest 5 December, 2025

    -2.6 °F

  • Average December

    20.3 °F

  • Highest 10 December, 2025

    35.8 °F

Climate (2020–Present)

Fort Drum / Wheeler-Sack U. S. Army Airfield (6.8 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    56.1 °F
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