Anderson Ranch Reservoir Weather Forecast

    • 32
    • 61

    Mostly Sunny

    • 34
    • 66

    Partly Sunny

    • 35
    • 65

    Mostly Sunny

    • 40
    • 66

    Rain Showers Likely

    • 29
    • 54

    Rain Showers

    • 25
    • 45

    Rain Showers Likely

    • 25
    • 46

    Chance Snow Showers

Today 21 Oct Boise Mountains

Areas of fog this morning. Sunny. Highs 49 to 62.

Tonight 21 Oct Boise Mountains

Mostly clear. Lows 28 to 40.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Anderson Ranch Reservoir Temperature Statistics

October Temperature

Mountain Home Air Force Base (35.4 miles)

  • Lowest 17 October, 2025

    34.9 °F

  • Average October

    54.4 °F

  • Highest 10 October, 2025

    88.7 °F

Climate (2020–Present)

Mountain Home Air Force Base (35.4 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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