Isle St George Weather Forecast

    • 65
    • 68

    Chance Thunderstorms

    • 65
    • 71

    Chance Rain Showers

    • 59
    • 72

    Rain Showers Likely

    • 48
    • 64

    Mostly Cloudy

    • 53
    • 59

    Mostly Cloudy

    • 58
    • 65

    Mostly Cloudy

    • 60
    • 69

    Chance Rain Showers

Today 17 May Ottawa

Partly cloudy. Near steady temperature in the lower 80s. South Winds 10 to 15 Mph.

Tonight 17 May Ottawa

Mostly clear. Lows in the upper 60s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle St George Temperature Statistics

May Temperature

Port Clinton Carl R Keller Field Airport (14.3 miles)

  • Lowest 2 May, 2026

    39.2 °F

  • Average May

    53.3 °F

  • Highest 4 May, 2026

    75.2 °F

Climate (2021–Present)

Port Clinton Carl R Keller Field Airport (14.3 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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