Deer Flat National Wildlife Refuge Weather Forecast

    • 62
    • 86

    Sunny

    • 61
    • 85

    Sunny

    • 64
    • 89

    Mostly Sunny

    • 70
    • 91

    Partly Sunny

    • 67
    • 86

    Partly Sunny

    • 66
    • 85

    Partly Sunny

Today 20 Aug Lower Treasure Valley

Patchy smoke this morning. Sunny. Highs 90 to 95. Northwest Winds 10 to 15 Mph with Gusts to 25 Mph.

Tonight 20 Aug Lower Treasure Valley

Mostly clear. Lows 59 to 64. Northwest Winds 10 to 15 Mph with Gusts to 25 Mph.

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Deer Flat National Wildlife Refuge Temperature Statistics

August Temperature

Caldwell - Caldwell Industrial Airport (6.2 miles)

  • Lowest 8 August, 2025

    54 °F

  • Average August

    76 °F

  • Highest 12 August, 2025

    100.9 °F

Climate (2020–Present)

Caldwell - Caldwell Industrial Airport (6.2 miles)

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  • Average Low 2020–2025

    41.4 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    64.9 °F
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