Helena Weather Forecast

    • 52
    • 76

    Mostly Sunny

    • 48
    • 73

    Increasing Clouds

    • 46
    • 68

    Partly Sunny

    • 56
    • 71

    Partly Sunny

    • 58
    • 80

    Mostly Sunny

    • 55
    • 79

    Partly Sunny

    • 52
    • 75

    Chance Rain Showers

Today 6 Oct Iowa

Partly sunny with a 30 percent chance of light rain Showers. Highs in the mid 60s.

Tonight 6 Oct Iowa

Mostly clear. Lows in the lower 50s. West Winds up to 10 Mph. Gusts up to 25 Mph through around midnight.

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Helena Temperature Statistics

October Temperature

Lone Rock Tri-County Regional Airport (8.7 miles)

  • Lowest 3 October, 2026

    41 °F

  • Average October

    55.3 °F

  • Highest 3 October, 2026

    70 °F

Climate (2021–2026)

Lone Rock Tri-County Regional Airport (8.7 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    60.3 °F
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