Helena Weather Forecast

    • 69
    • 85

    Rain Showers Likely

    • 62
    • 79

    Chance Rain Showers

    • 60
    • 78

    Partly Sunny

    • 60
    • 80

    Mostly Sunny

    • 69
    • 83

    Partly Sunny

    • 69
    • 88

    Chance Rain Showers

    • 59
    • 81

    Partly Sunny

Today 4 Sep Sandusky

Showers likely with a chance of Thunderstorms. Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 60 percent.

Tonight 4 Sep Sandusky

Mostly cloudy. A slight chance of Showers and Thunderstorms this Evening, then a chance of Showers and Thunderstorms after midnight. Patchy fog after midnight. Lows in the upper 60s. East Winds around 5 Mph, becoming south around 5 Mph after midnight. Chance of rain 50 percent.

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Helena Temperature Statistics

September Temperature

Toledo - Toledo Executive Airport (18 miles)

  • Lowest 2 September, 2026

    72 °F

  • Average September

    80.2 °F

  • Highest 2 September, 2026

    93 °F

Climate (2021–2026)

Toledo - Toledo Executive Airport (18 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    62.7 °F
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