Mountain Home Weather Forecast

    • 56
    • 81

    Mostly Sunny

    • 51
    • 81

    Chance Rain Showers

    • 48
    • 74

    Mostly Sunny

    • 51
    • 80

    Sunny

    • 52
    • 86

    Sunny

    • 53
    • 84

    Partly Sunny

Today 13 Sep Upper Treasure Valley

Areas of fog this morning. Sunny. Highs 78 to 83. West Winds up to 10 Mph with Gusts to 20 Mph.

Tonight 13 Sep Upper Treasure Valley

Mostly clear. Lows 51 to 59. North Winds up to 10 Mph in the Evening, shifting to east after midnight. Gusts to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Home Temperature Statistics

September Temperature

Mountain Home Air Force Base (10.6 miles)

  • Lowest 11 September, 2025

    49.6 °F

  • Average September

    71.9 °F

  • Highest 3 September, 2025

    97.3 °F

Climate (2020–Present)

Mountain Home Air Force Base (10.6 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    65 °F
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