Sister Islands State Natural Area Weather Forecast

    • 60
    • 70

    Mostly Cloudy

    • 58
    • 72

    Rain Showers Likely

    • 59
    • 69

    Rain Showers Likely

    • 56
    • 69

    Chance Rain Showers

    • 59
    • 69

    Rain Showers Likely

    • 60
    • 71

    Chance Thunderstorms

Today 16 Jun Door

Warmer. Partly sunny. Highs in the middle 70s. South wind 10 to 15 Mph.

Tonight 16 Jun Door

Partly cloudy in the evening then becoming mostly cloudy. A chance of Showers and Thunderstorms. Lows in the upper 50s. South wind 10 to 15 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sister Islands State Natural Area Temperature Statistics

June Temperature

Ephraim-Gibraltar Airport (6.2 miles)

  • Lowest 1 June, 2025

    41.7 °F

  • Average June

    59.2 °F

  • Highest 11 June, 2025

    77.7 °F

Climate (2020–Present)

Ephraim-Gibraltar Airport (6.2 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    45.7 °F

  • Average High 2020–2025

    52.8 °F
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