Helena Weather Forecast

    • 58
    • 91

    Sunny

    • 60
    • 94

    Sunny

    • 62
    • 95

    Sunny

    • 62
    • 92

    Partly Sunny

    • 60
    • 85

    Mostly Sunny

    • 58
    • 85

    Chance Rain

Today 15 Sep Northern Trinity

Sunny. Highs 84 to 99.

Tonight 15 Sep Northern Trinity

Clear. Lows 52 to 62.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

September Temperature

Weaverville (10.6 miles)

  • Lowest 1 September, 2025

    51.8 °F

  • Average September

    70.8 °F

  • Highest 1 September, 2025

    96.8 °F

Climate (2023–Present)

Weaverville (10.6 miles)

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  • Average Low 2023–2025

    42.9 °F

  • Average 2023–2025

    57.2 °F

  • Average High 2023–2025

    71.2 °F
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