Montpelier Weather Forecast

    • 54
    • 92

    Slight Chance Thunderstorms

    • 51
    • 89

    Slight Chance Thunderstorms

    • 49
    • 90

    Partly Sunny

    • 50
    • 89

    Partly Sunny

    • 50
    • 85

    Chance Thunderstorms

    • 48
    • 79

    Rain Showers Likely

    • 46
    • 75

    Rain Showers Likely

Today 20 Aug Bear Lake Valley

Sunny. A slight chance of rain Showers in the afternoon. Highs 84 to 93.

Tonight 20 Aug Bear Lake Valley

Partly cloudy. A slight chance of rain Showers in the evening. Lows 52 to 62.

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Montpelier Temperature Statistics

August Temperature

Afton WY (32.3 miles)

  • Lowest 9 August, 2025

    32 °F

  • Average August

    61.4 °F

  • Highest 12 August, 2025

    84.2 °F

Climate (2020–Present)

Afton WY (32.3 miles)

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  • Average Low 2020–2025

    25.2 °F

  • Average 2020–2025

    38.7 °F

  • Average High 2020–2025

    51.6 °F
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