Tupper Lake Weather Forecast

    • 55
    • 92

    Patchy Smoke

    • 54
    • 87

    Mostly Sunny

    • 54
    • 85

    Sunny

    • 55
    • 88

    Sunny

    • 55
    • 87

    Sunny

    • 56
    • 89

    Mostly Sunny

Today 25 Jul Butte/Blackfoot Region

Mostly sunny. Patchy smoke in the morning. A 30 percent chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s to mid 90s. Southwest Winds 15 to 25 Mph. Gusts up to 35 Mph in the afternoon.

Tonight 25 Jul Butte/Blackfoot Region

Mostly clear. Patchy smoke through the night. A 20 percent chance of rain in the evening. Lows in the 50s. West Winds 15 to 20 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tupper Lake Temperature Statistics

July Temperature

Helena Regional Airport (52.2 miles)

  • Lowest 2 July, 2026

    47.6 °F

  • Average July

    72.6 °F

  • Highest 11 July, 2026

    101.6 °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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