Deer Flat National Wildlife Refuge Weather Forecast

    • 44
    • 57

    Mostly Sunny

    • 43
    • 57

    Mostly Sunny

    • 40
    • 59

    Mostly Sunny

    • 46
    • 59

    Mostly Sunny

    • 39
    • 57

    Chance Rain Showers

    • 35
    • 50

    Mostly Sunny

    • 36
    • 51

    Mostly Sunny

Today 15 Oct Lower Treasure Valley

Mostly sunny. Areas of fog this morning. A chance of rain Showers, mainly this morning. Chance of rain 30 percent. Highs 58 to 63. Northwest Winds up to 10 Mph.

Tonight 15 Oct Lower Treasure Valley

Mostly clear. Lows 37 to 42. Northwest Winds 10 to 15 Mph with Gusts to 25 Mph.

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Deer Flat National Wildlife Refuge Temperature Statistics

October Temperature

Caldwell - Caldwell Industrial Airport (6.2 miles)

  • Lowest 6 October, 2025

    37.9 °F

  • Average October

    57.4 °F

  • Highest 10 October, 2025

    82.9 °F

Climate (2020–Present)

Caldwell - Caldwell Industrial Airport (6.2 miles)

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  • Average Low 2020–2025

    41.5 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    65 °F
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