Campbell Reservoir Weather Forecast

    • 49
    • 76

    Increasing Clouds

    • 49
    • 77

    Mostly Cloudy

    • 48
    • 77

    Partly Sunny

    • 43
    • 75

    Mostly Sunny

    • 46
    • 76

    Sunny

    • 50
    • 79

    Mostly Sunny

Today 18 Sep Wood River Foothills

Sunny. Highs 68 to 78. Northeast Winds up to 10 Mph. Shifting to south around 10 Mph in the afternoon.

Tonight 18 Sep Wood River Foothills

Mostly cloudy. Lows 47 to 57. Southeast Winds around 10 Mph. Shifting to north after midnight.

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Campbell Reservoir Temperature Statistics

September Temperature

Hailey, Friedman Memorial Airport (14.9 miles)

  • Lowest 13 September, 2025

    42.8 °F

  • Average September

    59.3 °F

  • Highest 3 September, 2025

    89.6 °F

Climate (2020–Present)

Hailey, Friedman Memorial Airport (14.9 miles)

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  • Average Low 2020–2025

    33.9 °F

  • Average 2020–2025

    42.2 °F

  • Average High 2020–2025

    55.9 °F
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