Joanna Weather Forecast

    • 43
    • 68

    Sunny

    • 42
    • 61

    Sunny

    • 52
    • 69

    Sunny

    • 50
    • 75

    Mostly Sunny

    • 49
    • 70

    Mostly Sunny

    • 49
    • 68

    Partly Sunny

    • 53
    • 68

    Chance Rain Showers

Today 5 Oct Berks

Mostly sunny. Highs in the upper 60s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 5 Oct Berks

Clear, cooler with Lows in the lower 40s. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph this evening.

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Joanna Temperature Statistics

October Temperature

Chester County Airport (13 miles)

  • Lowest 3 October, 2026

    56.7 °F

  • Average October

    67.7 °F

  • Highest 2 October, 2026

    83.8 °F

Climate (2021–2026)

Chester County Airport (13 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    62.9 °F
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