Iowa Lake Weather Forecast

    • 48
    • 74

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 59
    • 76

    Partly Sunny

    • 48
    • 74

    Chance Rain Showers

    • 41
    • 57

    Chance Rain Showers

    • 38
    • 53

    Chance Rain Showers

Today 21 Oct Martin

Clear. Highs in the mid 70s. Southwest Winds up to 10 Mph.

Tonight 21 Oct Martin

Mostly clear. Lows in the upper 40s. Southeast Winds up to 5 Mph.

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Iowa Lake Temperature Statistics

October Temperature

Fairmont, Fairmont Municipal Airport (9.9 miles)

  • Lowest 17 October, 2026

    30 °F

  • Average October

    58.2 °F

  • Highest 11 October, 2026

    91 °F

Climate (2021–2026)

Fairmont, Fairmont Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    57.5 °F
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