Ashton Reservoir Weather Forecast

    • 20
    • 42

    Chance Snow Showers

    • 26
    • 51

    Mostly Sunny

    • 34
    • 64

    Partly Sunny

    • 42
    • 70

    Partly Sunny

    • 42
    • 72

    Partly Sunny

    • 35
    • 61

    Chance Rain

Today 17 Apr Teton Valley

Partly sunny. A chance of snow Showers in the afternoon. Little or no snow accumulation. Highs 36 to 43.

Tonight 17 Apr Teton Valley

Partly cloudy. A slight chance of snow Showers in the evening. Lows 16 to 23.

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Ashton Reservoir Temperature Statistics

April Temperature

Rexburg, Rexburg-Madison County Airport (23.6 miles)

  • Lowest 4 April, 2026

    28.7 °F

  • Average April

    47.3 °F

  • Highest 10 April, 2026

    74.6 °F

Climate (2021–Present)

Rexburg, Rexburg-Madison County Airport (23.6 miles)

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  • Average Low 2021–2026

    34.5 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    58.5 °F
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