Gap Weather Forecast

    • 39
    • 63

    Mostly Sunny

    • 40
    • 64

    Sunny

    • 35
    • 59

    Mostly Sunny

    • 37
    • 61

    Sunny

    • 40
    • 63

    Mostly Sunny

    • 45
    • 66

    Mostly Sunny

Today 21 Oct Lancaster

Sunny. Highs in the mid 60s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 21 Oct Lancaster

Mostly clear. Lows around 40. North Winds 5 to 10 Mph.

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Gap Temperature Statistics

October Temperature

Chester County Airport (8.1 miles)

  • Lowest 19 October, 2026

    35.2 °F

  • Average October

    59.6 °F

  • Highest 2 October, 2026

    83.8 °F

Climate (2021–2026)

Chester County Airport (8.1 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    62.9 °F
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