West Sister Island National Wildlife Refuge Weather Forecast

    • 51
    • 57

    Mostly Cloudy

    • 49
    • 64

    Chance Thunderstorms

    • 46
    • 58

    Partly Sunny

    • 44
    • 54

    Mostly Sunny

    • 48
    • 57

    Rain Showers

    • 47
    • 58

    Chance Rain Showers

Today 8 May Lucas

Mostly cloudy with a 20 percent chance of Showers. Highs in the lower 60s. Southwest Winds 10 to 15 Mph.

Tonight 8 May Lucas

Cloudy. A slight chance of Showers in the evening. Lows in the upper 40s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Sister Island National Wildlife Refuge Temperature Statistics

May Temperature

Port Clinton Carl R Keller Field Airport (19.3 miles)

  • Lowest 2 May, 2026

    39.2 °F

  • Average May

    51.6 °F

  • Highest 4 May, 2026

    75.2 °F

Climate (2021–Present)

Port Clinton Carl R Keller Field Airport (19.3 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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