Iliamna Weather Forecast

    • 46
    • 56

    Chance Rain Showers

    • 44
    • 61

    Partly Sunny

    • 44
    • 61

    Mostly Cloudy

    • 48
    • 59

    Chance Rain

    • 44
    • 59

    Rain Showers Likely

    • 44
    • 58

    Chance Rain Showers

    • 47
    • 58

    Chance Rain Showers

Today 8 Sep Lake Iliamna / Nila Vena / Nanvarpak

Patchy fog in the morning. Rain in the Morning, then partly sunny with a chance of Showers and a slight chance of Thunderstorms in the afternoon. Highs in the mid 50s. Southwest wind 10 to 20 Mph.

Tonight 8 Sep Lake Iliamna / Nila Vena / Nanvarpak

Mostly cloudy in the evening then becoming partly cloudy. A chance of Showers. Patchy fog. Lows in the 40s. Northwest wind 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Iliamna Temperature Statistics

September Temperature

Iliamna, Iliamna Airport (0 miles)

  • Lowest 1 September, 2026

    39 °F

  • Average September

    52.5 °F

  • Highest 3 September, 2026

    64 °F

Climate (2021–2026)

Iliamna, Iliamna Airport (0 miles)

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  • Average Low 2021–2026

    29.6 °F

  • Average 2021–2026

    35.8 °F

  • Average High 2021–2026

    41.8 °F
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