Helena Weather Forecast

    • 49
    • 74

    Becoming Sunny

    • 50
    • 76

    Partly Sunny

    • 55
    • 79

    Partly Sunny

    • 50
    • 77

    Mostly Sunny

    • 53
    • 77

    Partly Sunny

    • 55
    • 80

    Mostly Sunny

Today 26 Aug Mason

Mostly sunny until late Afternoon, then becoming partly cloudy. Highs in the mid 70s. Light and variable Winds, becoming northwest around 5 Mph this late morning and afternoon.

Tonight 26 Aug Mason

Partly cloudy in the Evening, then becoming mostly clear. Unseasonably cold with Lows in the upper 40s. Northwest Winds around 5 Mph.

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Helena Temperature Statistics

August Temperature

Flemingsburg Fleming-Mason Airport (3.7 miles)

  • Lowest 2 August, 2025

    58.3 °F

  • Average August

    75.6 °F

  • Highest 19 August, 2025

    95.7 °F

Climate (2020–Present)

Flemingsburg Fleming-Mason Airport (3.7 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    66 °F
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