Triangle Reservoir Weather Forecast

    • 46
    • 73

    Mostly Sunny

    • 37
    • 71

    Chance Rain Showers

    • 30
    • 52

    Chance Rain/Snow

    • 29
    • 49

    Chance Rain Showers

    • 32
    • 55

    Slight Chance Rain Showers

Today 9 Oct Owyhee Mountains

Sunny. Highs 70 to 77.

Tonight 9 Oct Owyhee Mountains

Mostly clear. Lows 47 to 55.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Triangle Reservoir Temperature Statistics

October Temperature

Mountain Home Air Force Base (41.6 miles)

  • Lowest 6 October, 2025

    40.1 °F

  • Average October

    56.4 °F

  • Highest 2 October, 2025

    75.4 °F

Climate (2020–Present)

Mountain Home Air Force Base (41.6 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    64.9 °F
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