Tupper Lake Weather Forecast

    • 43
    • 69

    Chance Rain Showers

    • 46
    • 75

    Mostly Sunny

    • 50
    • 81

    Sunny

    • 54
    • 87

    Mostly Sunny

    • 54
    • 86

    Mostly Sunny

    • 47
    • 77

    Mostly Sunny

    • 50
    • 80

    Mostly Sunny

Today 5 Jul Butte/Blackfoot Region

Mostly cloudy. Slight chance of rain early in the Morning, then chance of Showers and Thunderstorms in the late morning and afternoon. Patchy fog early in the morning. Chance of precipitation 50 percent. Highs in the 60s to lower 70s. West Winds to 15 Mph in the afternoon.

Tonight 5 Jul Butte/Blackfoot Region

Mostly clear. A 20 percent chance of rain in the evening. Lows in the upper 30s to mid 40s. Northwest Winds to 15 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tupper Lake Temperature Statistics

July Temperature

Helena Regional Airport (52.2 miles)

  • Lowest 1 July, 2025

    60.1 °F

  • Average July

    75.6 °F

  • Highest 1 July, 2025

    96.1 °F

Climate (2020–Present)

Helena Regional Airport (52.2 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    59.4 °F
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