Helena Weather Forecast

    • 67
    • 81

    Slight Chance Thunderstorms

    • 71
    • 85

    Chance Rain Showers

    • 69
    • 85

    Rain Showers Likely

    • 64
    • 79

    Mostly Sunny

    • 67
    • 83

    Slight Chance Thunderstorms

    • 76
    • 89

    Slight Chance Thunderstorms

Today 16 Jun Sandusky

Mostly cloudy this Morning, then becoming partly sunny. Highs around 80. Northeast Winds 5 to 10 Mph.

Tonight 16 Jun Sandusky

Mostly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the upper 60s. East Winds 5 to 10 Mph, becoming south after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

June Temperature

Toledo - Toledo Executive Airport (18 miles)

  • Lowest 1 June, 2025

    42.7 °F

  • Average June

    67.2 °F

  • Highest 3 June, 2025

    92.6 °F

Climate (2020–Present)

Toledo - Toledo Executive Airport (18 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    62.8 °F
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