Helena Weather Forecast

    • 68
    • 91

    Mostly Sunny

    • 69
    • 94

    Mostly Sunny

    • 70
    • 95

    Mostly Sunny

    • 69
    • 92

    Partly Sunny

    • 68
    • 90

    Partly Sunny

    • 67
    • 89

    Slight Chance Thunderstorms

Today 13 Jul Iowa

Very warm. Sunny. Highs in the lower 90s. West Winds up to 5 Mph.

Tonight 13 Jul Iowa

Clear. Near steady temperature in the upper 60s. West Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

July Temperature

Lone Rock Tri-County Regional Airport (8.7 miles)

  • Lowest 7 July, 2026

    59.6 °F

  • Average July

    75.9 °F

  • Highest 1 July, 2026

    92.6 °F

Climate (2021–2026)

Lone Rock Tri-County Regional Airport (8.7 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    60.3 °F
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