Octoraro Lake Weather Forecast

    • 45
    • 63

    Rain

    • 50
    • 54

    Rain

    • 58
    • 69

    Rain

    • 58
    • 76

    Chance Rain Showers

    • 58
    • 77

    Slight Chance Rain Showers

    • 58
    • 80

    Partly Sunny

    • 55
    • 77

    Partly Sunny

Today 22 May Lancaster

Rain likely. Highs in the lower 60s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 22 May Lancaster

Rain. Lows in the upper 40s. East Winds 10 to 15 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

    61.1 °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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