Montpelier Reservoir Weather Forecast

    • 56
    • 87

    Slight Chance Rain Showers

    • 53
    • 81

    Slight Chance Thunderstorms

    • 51
    • 78

    Chance Thunderstorms

    • 50
    • 77

    Slight Chance Thunderstorms

    • 50
    • 77

    Slight Chance Thunderstorms

    • 49
    • 78

    Slight Chance Thunderstorms

    • 48
    • 77

    Slight Chance Thunderstorms

Today 21 Aug Bear Lake Valley

Sunny in the morning. Then partly sunny with a slight chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds in the afternoon. Highs 82 to 92.

Tonight 21 Aug Bear Lake Valley

Mostly cloudy. A slight chance of rain Showers after midnight. Lows 56 to 64.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montpelier Reservoir Temperature Statistics

August Temperature

Afton WY (26.7 miles)

  • Lowest 4 August, 2026

    33.8 °F

  • Average August

    62.4 °F

  • Highest 1 August, 2026

    89.6 °F

Climate (2021–2026)

Afton WY (26.7 miles)

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  • Average Low 2021–2026

    26.3 °F

  • Average 2021–2026

    39.5 °F

  • Average High 2021–2026

    52.2 °F
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