Iliamna Weather Forecast

    • 40
    • 49

    Chance Rain

    • 40
    • 53

    Chance Rain Showers

    • 42
    • 55

    Chance Rain Showers

    • 42
    • 55

    Mostly Cloudy

    • 42
    • 56

    Partly Sunny

    • 46
    • 57

    Mostly Cloudy

Today 27 May Lake Iliamna / Nila Vena / Nanvarpak

Cloudy. Areas of fog in the morning. A chance of rain in the Morning, then scattered rain Showers in the afternoon. Highs in the lower 40s to lower 50s. Light Winds becoming variable 10 Mph in the afternoon.

Tonight 27 May Lake Iliamna / Nila Vena / Nanvarpak

Mostly cloudy with scattered rain Showers. Lows in the upper 30s. Variable wind 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Iliamna Temperature Statistics

May Temperature

Iliamna, Iliamna Airport (0 miles)

  • Lowest 7 May, 2026

    27 °F

  • Average May

    40.2 °F

  • Highest 9 May, 2026

    51.1 °F

Climate (2021–Present)

Iliamna, Iliamna Airport (0 miles)

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  • Average Low 2021–2026

    29.7 °F

  • Average 2021–2026

    35.8 °F

  • Average High 2021–2026

    41.7 °F
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