Semisopochnoi Island Weather Forecast

    • 43
    • 51

    Rain Showers

    • 44
    • 55

    Chance Rain

    • 47
    • 52

    Rain Likely

    • 50
    • 57

    Rain Showers

    • 50
    • 57

    Rain Showers

    • 49
    • 56

    Rain Showers Likely

Today 29 Jul Shemya and Attu Islands

Rain likely in the Morning, then Showers in the afternoon. Patchy fog. Highs in the lower 50s. Southeast wind 10 to 15 Mph.

Tonight 29 Jul Shemya and Attu Islands

Widespread Showers and isolated Thunderstorms in the Evening, then a chance of Showers and isolated Thunderstorms after midnight. Patchy fog. Lows in the mid 40s. Northeast wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Semisopochnoi Island Temperature Statistics

July Temperature

Shemya, Eareckson AFB (236.7 miles)

  • Lowest 3 July, 2026

    42.4 °F

  • Average July

    46.7 °F

  • Highest 27 July, 2026

    53.6 °F

Climate (2021–2026)

Shemya, Eareckson AFB (236.7 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    41.1 °F

  • Average High 2021–2026

    43.7 °F
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