Philadelphia Weather Forecast

    • 53
    • 76

    Decreasing Clouds

    • 42
    • 69

    Partly Sunny

    • 47
    • 65

    Rain Showers Likely

    • 45
    • 65

    Mostly Cloudy

    • 46
    • 66

    Slight Chance Rain Showers

    • 49
    • 67

    Chance Rain Showers

Today 17 Sep Jefferson

Mostly cloudy Early, then becoming partly sunny. Highs Ranging from the lower 70s on the tug hill to the mid 70s across the lower Elevations. Light Winds.

Tonight 17 Sep Jefferson

Becoming mainly clear with some patchy fog developing overnight. Lows Ranging from the lower 50s across the tug hill to the upper 50s along the lake Ontario shore. Light north Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Philadelphia Temperature Statistics

September Temperature

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

  • Lowest 11 September, 2026

    48.2 °F

  • Average September

    66.6 °F

  • Highest 2 September, 2026

    82.2 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    55.9 °F
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