Ashton Weather Forecast

    • 48
    • 81

    Decreasing Clouds

    • 44
    • 75

    Rain Showers Likely

    • 46
    • 81

    Slight Chance Thunderstorms

    • 45
    • 83

    Partly Sunny

    • 41
    • 70

    Chance Rain

    • 40
    • 66

    Chance Thunderstorms

    • 42
    • 73

    Slight Chance Thunderstorms

Today 25 May Teton Valley

Sunny in the morning. Then partly sunny with a slight chance of Showers and Thunderstorms in the afternoon. Highs 76 to 83.

Tonight 25 May Teton Valley

Partly cloudy. Lows 44 to 51.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ashton Temperature Statistics

May Temperature

Rexburg, Rexburg-Madison County Airport (24.2 miles)

  • Lowest 19 May, 2026

    26.7 °F

  • Average May

    53.9 °F

  • Highest 13 May, 2026

    86.6 °F

Climate (2021–Present)

Rexburg, Rexburg-Madison County Airport (24.2 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    58.5 °F
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