Augustine Island Weather Forecast

    • 43
    • 47

    Rain Showers

    • 42
    • 46

    Rain Showers

    • 42
    • 48

    Rain Showers

    • 41
    • 46

    Chance Rain

    • 37
    • 45

    Chance Rain

    • 38
    • 43

    Breezy

Today 18 Sep Tyonek

Widespread rain Showers in the Morning, then numerous rain Showers in the afternoon. Highs in the mid 50s. Light Winds becoming variable 10 Mph in the afternoon.

Tonight 18 Sep Tyonek

Numerous Showers in the Evening, then scattered Showers after midnight. Lows in the upper 40s. North wind 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Augustine Island Temperature Statistics

September Temperature

Iliamna, Iliamna Airport (57.2 miles)

  • Lowest 14 September, 2025

    35.1 °F

  • Average September

    51.8 °F

  • Highest 3 September, 2025

    64.4 °F

Climate (2020–Present)

Iliamna, Iliamna Airport (57.2 miles)

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  • Average Low 2020–2025

    30.7 °F

  • Average 2020–2025

    36.7 °F

  • Average High 2020–2025

    42.5 °F
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