Cove Arm Lake Weather Forecast

    • 54
    • 89

    Increasing Clouds

    • 55
    • 88

    Mostly Cloudy

    • 54
    • 87

    Partly Sunny

    • 46
    • 82

    Mostly Sunny

    • 46
    • 80

    Sunny

    • 50
    • 88

    Mostly Sunny

Today 18 Sep Upper Treasure Valley

Sunny. Highs 84 to 89. East Winds 10 to 15 Mph.

Tonight 18 Sep Upper Treasure Valley

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cove Arm Lake Temperature Statistics

September Temperature

Mountain Home Air Force Base (5 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 (5 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    65 °F
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