Sister Islands State Natural Area Weather Forecast

    • 32
    • 36

    Rain

    • 29
    • 37

    Rain

    • 29
    • 36

    Rain/Snow Likely

    • 22
    • 35

    Chance Rain/Snow

    • 18
    • 30

    Slight Chance Snow

    • 12
    • 26

    Mostly Cloudy

Today 17 Feb Door

Partly sunny. Patchy fog in the morning. Highs in the upper 30s. East wind 10 to 15 Mph.

Tonight 17 Feb Door

Blustery. Light rain in the Evening, then rain and freezing rain after midnight. Minor icing possible. Nearly steady temperature in the mid 30s. East wind 15 to 25 Mph. Gusts up to 35 Mph increasing to 45 Mph after midnight. Chance of precipitation near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sister Islands State Natural Area Temperature Statistics

February Temperature

Ephraim-Gibraltar Airport (6.2 miles)

  • Lowest 7 February, 2026

    4.3 °F

  • Average February

    22.5 °F

  • Highest 15 February, 2026

    43.9 °F

Climate (2021–Present)

Ephraim-Gibraltar Airport (6.2 miles)

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  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    52.8 °F
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