Helena Weather Forecast

    • 60
    • 95

    Increasing Clouds

    • 59
    • 93

    Partly Sunny

    • 57
    • 91

    Mostly Sunny

    • 56
    • 90

    Mostly Sunny

    • 55
    • 91

    Sunny

    • 55
    • 88

    Mostly Sunny

Today 24 Aug Northwestern and Central Trinity

Mostly cloudy then becoming partly cloudy late in the morning then becoming sunny. Highs 90 to 105. Southeast wind up to 10 Mph.

Tonight 24 Aug Northwestern and Central Trinity

Clear in the evening then becoming partly cloudy. Lows 54 to 64. Southwest wind around 10 Mph shifting to the southeast overnight.

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Helena Temperature Statistics

August Temperature

Weaverville (10.6 miles)

  • Lowest 15 August, 2026

    50 °F

  • Average August

    79.9 °F

  • Highest 4 August, 2026

    105.8 °F

Climate (2023–2026)

Weaverville (10.6 miles)

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  • Average Low 2023–2026

    43.3 °F

  • Average 2023–2026

    57.3 °F

  • Average High 2023–2026

    71.2 °F
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