Helena Weather Forecast

    • 64
    • 81

    Chance Thunderstorms

    • 58
    • 79

    Rain Showers

    • 54
    • 75

    Partly Sunny

    • 55
    • 74

    Mostly Sunny

    • 60
    • 78

    Partly Sunny

    • 63
    • 81

    Chance Rain Showers

    • 63
    • 82

    Chance Thunderstorms

Today 21 Aug Sandusky

Mostly sunny. Near steady temperature around 80. Southeast Winds around 5 Mph.

Tonight 21 Aug Sandusky

Partly cloudy with a chance of Showers. A chance of Thunderstorms, mainly this evening. Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

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Helena Temperature Statistics

August Temperature

Toledo - Toledo Executive Airport (18 miles)

  • Lowest 4 August, 2026

    59 °F

  • Average August

    73.4 °F

  • Highest 8 August, 2026

    87.1 °F

Climate (2021–2026)

Toledo - Toledo Executive Airport (18 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    62.7 °F
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