Bruneau Arm Weather Forecast

    • 53
    • 90

    Increasing Clouds

    • 54
    • 89

    Mostly Cloudy

    • 52
    • 89

    Mostly Sunny

    • 48
    • 86

    Mostly Sunny

    • 49
    • 85

    Sunny

    • 54
    • 91

    Mostly Sunny

Today 18 Sep Upper Treasure Valley

Sunny. Highs 85 to 90. Southeast Winds around 10 Mph with Gusts to 20 Mph.

Tonight 18 Sep Upper Treasure Valley

Mostly cloudy. Lows 53 to 60. Northeast Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Bruneau Arm Temperature Statistics

September Temperature

Mountain Home Air Force Base (9.3 miles)

  • Lowest 12 September, 2025

    46.8 °F

  • Average September

    70 °F

  • Highest 3 September, 2025

    97.3 °F

Climate (2020–Present)

Mountain Home Air Force Base (9.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    65 °F
Get WillyWeather+ to remove ads