South Bass Island State Park Weather Forecast

    • 70
    • 78

    Rain Showers Likely

    • 63
    • 77

    Slight Chance Rain Showers

    • 63
    • 69

    Partly Sunny

    • 69
    • 79

    Chance Thunderstorms

    • 68
    • 76

    Rain Showers Likely

    • 65
    • 74

    Chance Rain Showers

Today 12 Sep Ottawa

Showers likely with a slight chance of Thunderstorms. Humid with Highs in the lower 80s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 12 Sep Ottawa

Partly cloudy. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

South Bass Island State Park Temperature Statistics

September Temperature

Port Clinton Carl R Keller Field Airport (8.7 miles)

  • Lowest 8 September, 2026

    60.8 °F

  • Average September

    75.1 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Port Clinton Carl R Keller Field Airport (8.7 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    60.5 °F
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