Mountain Home Weather Forecast

    • 45
    • 70

    Increasing Clouds

    • 37
    • 63

    Breezy

    • 36
    • 60

    Breezy

    • 35
    • 66

    Partly Sunny

    • 38
    • 70

    Mostly Sunny

    • 41
    • 74

    Mostly Sunny

Today 15 May Upper Treasure Valley

Decreasing Clouds. Highs 68 to 73. Breezy. Northwest Winds 10 to 20 Mph with Gusts to 30 Mph.

Tonight 15 May Upper Treasure Valley

Increasing Clouds. Lows 43 to 48. Breezy. Northwest Winds 10 to 20 Mph. Gusts to 25 Mph in the Evening, increasing to 35 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Home Temperature Statistics

May Temperature

Mountain Home Air Force Base (10.6 miles)

  • Lowest 1 May, 2026

    38.6 °F

  • Average May

    65.9 °F

  • Highest 12 May, 2026

    96.6 °F

Climate (2021–Present)

Mountain Home Air Force Base (10.6 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    65.5 °F
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