South Bass Island State Park Weather Forecast

    • 53
    • 59

    Rain Showers

    • 48
    • 56

    Rain Showers

    • 50
    • 57

    Chance Rain Showers

    • 52
    • 62

    Partly Sunny

    • 55
    • 62

    Mostly Cloudy

    • 57
    • 63

    Chance Rain Showers

    • 57
    • 63

    Chance Rain Showers

Today 21 May Ottawa

Mostly cloudy. A slight chance of Showers and Thunderstorms Early, then Showers with a chance of Thunderstorms. Near steady temperature in the lower 60s. Southeast Winds around 10 Mph, becoming west. Chance of rain 90 percent.

Tonight 21 May Ottawa

Showers likely. A chance of Thunderstorms, mainly this evening. Lows in the lower 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Bass Island State Park Temperature Statistics

May Temperature

Port Clinton Carl R Keller Field Airport (8.7 miles)

  • Lowest 9 May, 2025

    42.8 °F

  • Average May

    59.2 °F

  • Highest 16 May, 2025

    84.2 °F

Climate (2020–Present)

Port Clinton Carl R Keller Field Airport (8.7 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    60.5 °F
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