Guilford Lake State Park Weather Forecast

    • 55
    • 83

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 55
    • 85

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

    • 62
    • 84

    Partly Sunny

    • 59
    • 82

    Chance Rain Showers

Today 16 Sep Columbiana

Mostly sunny. Highs in the lower 80s. Southeast Winds around 5 Mph.

Tonight 16 Sep Columbiana

Mainly clear. Lows in the mid 50s. East Winds around 5 Mph.

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Guilford Lake State Park Temperature Statistics

September Temperature

Beaver County Airport (25.5 miles)

  • Lowest 9 September, 2025

    51.8 °F

  • Average September

    71.7 °F

  • Highest 3 September, 2025

    86 °F

Climate (2020–Present)

Beaver County Airport (25.5 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    63.7 °F
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