Pelham Lake Weather Forecast

    • 34
    • 51

    Rain Showers Likely

    • 33
    • 50

    Slight Chance Thunderstorms

    • 36
    • 59

    Mostly Sunny

    • 40
    • 61

    Chance Rain Showers

    • 38
    • 58

    Chance Rain Showers

    • 40
    • 62

    Mostly Sunny

    • 40
    • 62

    Partly Sunny

Today 19 Sep Teton and Gros Ventre Mountains

Mostly cloudy with rain Showers with a chance of Thunderstorms. Some Thunderstorms may produce gusty Winds and small hail. Near steady temperature in the upper 40s. Chance of rain 80 percent.

Tonight 19 Sep Teton and Gros Ventre Mountains

Mostly cloudy. Rain Showers likely with a slight chance of Thunderstorms in the Evening, then a chance of rain Showers after midnight. Areas of fog after midnight. Some Thunderstorms may produce gusty Winds and small hail in the evening. Lows in the mid 30s. Chance of rain 60 percent.

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Pelham Lake Temperature Statistics

September Temperature

Dubois Municipal Airport (18 miles)

  • Lowest 15 September, 2026

    30.2 °F

  • Average September

    55.5 °F

  • Highest 5 September, 2026

    77 °F

Climate (2021–2026)

Dubois Municipal Airport (18 miles)

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  • Average Low 2021–2026

    30.4 °F

  • Average 2021–2026

    41.3 °F

  • Average High 2021–2026

    53.1 °F
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