Helena Weather Forecast

    • 48
    • 67

    Chance Rain Showers

    • 39
    • 67

    Mostly Sunny

    • 43
    • 66

    Sunny

    • 52
    • 70

    Mostly Sunny

    • 45
    • 72

    Partly Sunny

    • 46
    • 70

    Partly Sunny

    • 50
    • 70

    Mostly Sunny

Today 3 Oct Iowa

Sunny. Highs in the lower 70s.

Tonight 3 Oct Iowa

Mostly cloudy with chance of Sprinkles in the Evening, then mostly cloudy with chance of light rain Showers late in the evening. Mostly clear after midnight. Lows in the upper 40s. Southwest Winds 5 to 10 Mph. Chance of Showers 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

October Temperature

Lone Rock Tri-County Regional Airport (8.7 miles)

  • Lowest 1 October, 2026

    51.1 °F

  • Average October

    62.5 °F

  • Highest 1 October, 2026

    66 °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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