Spencer Reservoir Weather Forecast

    • 44
    • 74

    Becoming Sunny

    • 36
    • 72

    Mostly Sunny

    • 29
    • 53

    Chance Rain/Snow

    • 27
    • 50

    Chance Rain Showers

    • 31
    • 55

    Chance Rain Showers

    • 28
    • 54

    Chance Rain/Snow

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

Spencer Reservoir Temperature Statistics

October Temperature

Mountain Home Air Force Base (42.3 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 (42.3 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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