Diamond Peak Weather Forecast

    • 32
    • 45

    Mostly Sunny

    • 36
    • 53

    Mostly Sunny

    • 39
    • 56

    Mostly Sunny

    • 35
    • 51

    Mostly Sunny

    • 30
    • 46

    Chance Rain/Snow

    • 27
    • 37

    Slight Chance Snow

Today 8 Sep Beaverhead/Lemhi Highlands

Sunny. Highs 62 to 70.

Tonight 8 Sep Beaverhead/Lemhi Highlands

Mostly clear. Lows 34 to 44.

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Diamond Peak Temperature Statistics

September Temperature

Idaho Falls Regional Airport (65.9 miles)

  • Lowest 3 September, 2026

    46.7 °F
  • Average September

    64.8 °F
  • Highest 6 September, 2026

    84.9 °F

Climate (2021–2026)

Idaho Falls Regional Airport (65.9 miles)

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  • Average Low 2021–2026

    33.8 °F
  • Average 2021–2026

    46.9 °F
  • Average High 2021–2026

    60 °F
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