Octoraro Lake Weather Forecast

    • 26
    • 41

    Rain Likely

    • 24
    • 34

    Partly Sunny

    • 24
    • 35

    Chance Snow

    • 24
    • 39

    Chance Snow

    • 16
    • 28

    Partly Sunny

    • 19
    • 29

    Partly Sunny

    • 22
    • 34

    Partly Sunny

Today 10 Dec Lancaster

Rain. Not as cool. Near steady temperature in the upper 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.

Tonight 10 Dec Lancaster

Mostly cloudy with a chance of rain this Evening, then partly cloudy after midnight. Lows in the upper 20s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west 15 to 20 Mph with Gusts up to 35 Mph after midnight. Chance of rain 50 percent.

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Octoraro Lake Temperature Statistics

December Temperature

Chester County Airport (14.3 miles)

  • Lowest 8 December, 2025

    19.4 °F

  • Average December

    31 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Chester County Airport (14.3 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    63 °F
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