Aniakchak National Preserve Weather Forecast

    • 49
    • 59

    Slight Chance Rain

    • 47
    • 63

    Mostly Cloudy

    • 49
    • 64

    Mostly Cloudy

    • 48
    • 66

    Mostly Cloudy

    • 50
    • 67

    Chance Rain

    • 50
    • 63

    Mostly Cloudy

Today 16 Aug Central Alaska Peninsula

Mostly cloudy with a chance of rain. Highs in the upper 50s. Northwest wind 10 to 20 Mph.

Tonight 16 Aug Central Alaska Peninsula

Mostly cloudy with a chance of rain. Lows in the upper 40s. West wind 10 to 20 Mph.

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Aniakchak National Preserve Temperature Statistics

August Temperature

Port Heiden, Port Heiden Airport (29.2 miles)

  • Lowest 11 August, 2025

    35.6 °F

  • Average August

    56.3 °F

  • Highest 1 August, 2025

    72 °F

Climate (2020–Present)

Port Heiden, Port Heiden Airport (29.2 miles)

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  • Average Low 2020–2025

    33.4 °F

  • Average 2020–2025

    38.5 °F

  • Average High 2020–2025

    43.5 °F
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