Octoraro Lake Weather Forecast

    • 50
    • 54

    Rain

    • 56
    • 68

    Rain

    • 58
    • 76

    Chance Rain Showers

    • 60
    • 76

    Mostly Cloudy

    • 61
    • 79

    Mostly Cloudy

    • 56
    • 78

    Chance Rain Showers

Today 23 May Lancaster

Rain, cooler with Highs in the lower 50s. East Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 23 May Lancaster

Rain in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 40s. East Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Octoraro Lake Temperature Statistics

May Temperature

Chester County Airport (14.3 miles)

  • Lowest 1 May, 2026

    36.7 °F

  • Average May

    60.9 °F

  • Highest 19 May, 2026

    92.1 °F

Climate (2021–Present)

Chester County Airport (14.3 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    63 °F
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