Spencer Weather Forecast

    • 37
    • 65

    Mostly Sunny

    • 43
    • 73

    Partly Sunny

    • 44
    • 82

    Partly Sunny

    • 49
    • 82

    Partly Sunny

    • 43
    • 80

    Partly Sunny

    • 42
    • 73

    Mostly Sunny

Today 9 May Beaverhead/Lemhi Highlands

Sunny. Highs 59 to 69.

Tonight 9 May Beaverhead/Lemhi Highlands

Mostly clear. Lows 33 to 43.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Spencer Temperature Statistics

May Temperature

Rexburg, Rexburg-Madison County Airport (41 miles)

  • Lowest 6 May, 2026

    28.7 °F

  • Average May

    52.9 °F

  • Highest 3 May, 2026

    74.6 °F

Climate (2021–Present)

Rexburg, Rexburg-Madison County Airport (41 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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