Twin Groves Weather Forecast

    • 40
    • 73

    Mostly Sunny

    • 42
    • 75

    Mostly Sunny

    • 45
    • 78

    Mostly Cloudy

    • 44
    • 76

    Partly Sunny

    • 41
    • 74

    Mostly Sunny

    • 42
    • 75

    Mostly Sunny

Today 17 Sep Upper Snake River Plain

Sunny. Highs 69 to 76. Northeast Winds around 10 Mph.

Tonight 17 Sep Upper Snake River Plain

Mostly clear. Lows 41 to 48. Northeast Winds up to 10 Mph.

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Twin Groves Temperature Statistics

September Temperature

Rexburg, Rexburg-Madison County Airport (13 miles)

  • Lowest 12 September, 2025

    43 °F

  • Average September

    64.5 °F

  • Highest 2 September, 2025

    90 °F

Climate (2020–Present)

Rexburg, Rexburg-Madison County Airport (13 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    45.5 °F

  • Average High 2020–2025

    57.6 °F
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