St Anthony Weather Forecast

    • 50
    • 90

    Mostly Sunny

    • 54
    • 94

    Mostly Sunny

    • 52
    • 92

    Partly Sunny

    • 50
    • 89

    Mostly Sunny

    • 51
    • 91

    Mostly Sunny

    • 53
    • 91

    Partly Sunny

Today 18 Aug Upper Snake River Plain

Sunny. Highs 85 to 93. Northeast Winds around 10 Mph. Shifting to southwest in the afternoon.

Tonight 18 Aug Upper Snake River Plain

Mostly clear. Lows 50 to 60. South Winds 10 to 15 Mph. Shifting to east after midnight.

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St Anthony Temperature Statistics

August Temperature

Rexburg, Rexburg-Madison County Airport (10.6 miles)

  • Lowest 9 August, 2025

    44.7 °F

  • Average August

    69.7 °F

  • Highest 13 August, 2025

    95.6 °F

Climate (2020–Present)

Rexburg, Rexburg-Madison County Airport (10.6 miles)

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  • Average Low 2020–2025

    33.4 °F

  • Average 2020–2025

    45.4 °F

  • Average High 2020–2025

    57.5 °F
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