Unalaska Weather Forecast

    • 49
    • 60

    Slight Chance Rain

    • 50
    • 61

    Patchy Fog

    • 51
    • 63

    Mostly Cloudy

    • 52
    • 63

    Chance Rain

    • 53
    • 64

    Chance Rain

    • 52
    • 63

    Chance Rain

    • 51
    • 62

    Mostly Cloudy

Today 13 Aug Eastern Aleutians

Mostly cloudy with a slight chance of rain. Areas of fog in the morning. Patchy fog in the afternoon. Highs in the mid 50s. Northwest wind 15 Mph.

Tonight 13 Aug Eastern Aleutians

Mostly cloudy. Patchy fog. Lows in the upper 40s. North wind 15 Mph.

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  • Temperature Real-Time

Unalaska Temperature Statistics

August Temperature

Unalaska, Unalaska Airport (1.2 miles)

  • Lowest 10 August, 2025

    48 °F

  • Average August

    56.7 °F

  • Highest 1 August, 2025

    68.6 °F

Climate (2020–Present)

Unalaska, Unalaska Airport (1.2 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    42.6 °F

  • Average High 2020–2025

    46.1 °F
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