Octoraro Lake Weather Forecast

    • 36
    • 56

    Decreasing Clouds

    • 48
    • 66

    Partly Sunny

    • 39
    • 62

    Mostly Sunny

    • 49
    • 62

    Mostly Cloudy

    • 61
    • 77

    Mostly Cloudy

    • 64
    • 84

    Mostly Cloudy

Today 9 Apr Lancaster

Widespread frost in the morning. Mostly sunny. Highs in the upper 50s. Southeast Winds 5 to 10 Mph.

Tonight 9 Apr Lancaster

Mostly clear. Patchy frost after midnight. Lows in the upper 30s. South Winds 5 to 10 Mph.

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Octoraro Lake Temperature Statistics

April Temperature

Chester County Airport (14.3 miles)

  • Lowest 6 April, 2026

    37.9 °F

  • Average April

    55.5 °F

  • Highest 4 April, 2026

    79.9 °F

Climate (2021–Present)

Chester County Airport (14.3 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    63 °F
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