Helena Weather Forecast

    • 57
    • 80

    Sunny

    • 49
    • 66

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

    • 55
    • 75

    Sunny

    • 57
    • 78

    Mostly Sunny

    • 64
    • 83

    Partly Sunny

Today 29 May Sandusky

Sunny. Not as cool with Highs around 80. West Winds 5 to 10 Mph.

Tonight 29 May Sandusky

Clear. Lows in the upper 50s. West Winds 5 to 10 Mph, becoming north 10 to 15 Mph with Gusts up to 25 Mph after midnight.

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Helena Temperature Statistics

May Temperature

Toledo - Toledo Executive Airport (18 miles)

  • Lowest 2 May, 2026

    39 °F

  • Average May

    58.5 °F

  • Highest 18 May, 2026

    88 °F

Climate (2021–Present)

Toledo - Toledo Executive Airport (18 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    62.8 °F
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