Tupper Lake Weather Forecast

    • 51
    • 84

    Areas Smoke

    • 50
    • 81

    Partly Sunny

    • 50
    • 81

    Sunny

    • 49
    • 80

    Mostly Sunny

    • 48
    • 76

    Mostly Sunny

    • 45
    • 70

    Slight Chance Thunderstorms

Today 8 Aug Butte/Blackfoot Region

Mostly sunny. Areas of smoke. Highs in the 80s. West Winds to 15 Mph with Gusts to around 30 Mph in the afternoon.

Tonight 8 Aug Butte/Blackfoot Region

Mostly clear. Areas of smoke in the Evening, then patchy smoke after midnight. Lows in the mid 40s to lower 50s. West Winds to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tupper Lake Temperature Statistics

August Temperature

Helena Regional Airport (52.2 miles)

  • Lowest 4 August, 2026

    45.6 °F

  • Average August

    69.6 °F

  • Highest 1 August, 2026

    103.6 °F

Climate (2021–2026)

Helena Regional Airport (52.2 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
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