East Harbor State Park Weather Forecast

    • 58
    • 65

    Mostly Cloudy

    • 66
    • 77

    Mostly Cloudy

    • 58
    • 78

    Mostly Cloudy

    • 55
    • 79

    Mostly Sunny

    • 56
    • 72

    Partly Sunny

    • 60
    • 76

    Partly Sunny

    • 58
    • 76

    Mostly Sunny

Today 25 May Ottawa

Partly cloudy. Highs around 70. East Winds 5 to 10 Mph.

Tonight 25 May Ottawa

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 50s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

East Harbor State Park Temperature Statistics

May Temperature

Port Clinton Carl R Keller Field Airport (3.7 miles)

  • Lowest 2 May, 2026

    39.2 °F

  • Average May

    57.3 °F

  • Highest 18 May, 2026

    89.6 °F

Climate (2021–Present)

Port Clinton Carl R Keller Field Airport (3.7 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    60.5 °F
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