West Sister Island National Wildlife Refuge Weather Forecast

    • 68
    • 76

    Mostly Sunny

    • 68
    • 71

    Partly Sunny

    • 68
    • 70

    Slight Chance Rain Showers

    • 69
    • 77

    Rain Showers Likely

    • 68
    • 73

    Chance Thunderstorms

    • 67
    • 72

    Chance Rain Showers

    • 66
    • 70

    Slight Chance Thunderstorms

Today 18 Sep Lucas

Areas of fog this morning. Mostly sunny. Highs in the upper 80s. Northwest Winds around 5 Mph.

Tonight 18 Sep Lucas

Mostly clear. Lows in the lower 60s. South Winds around 5 Mph, becoming northeast after midnight.

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West Sister Island National Wildlife Refuge Temperature Statistics

September Temperature

Port Clinton Carl R Keller Field Airport (19.3 miles)

  • Lowest 8 September, 2025

    48.2 °F

  • Average September

    64.6 °F

  • Highest 3 September, 2025

    80.6 °F

Climate (2020–Present)

Port Clinton Carl R Keller Field Airport (19.3 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    60.3 °F
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