Cottonwood Reservoir Weather Forecast

    • 31
    • 59

    Becoming Sunny

    • 35
    • 60

    Mostly Sunny

    • 34
    • 61

    Mostly Sunny

    • 41
    • 63

    Partly Sunny

    • 31
    • 57

    Chance Rain Showers

    • 27
    • 49

    Mostly Sunny

Today 15 Oct Harney County

Widespread frost with Areas of fog this morning. Sunny. Highs 55 to 61. Northwest Winds 10 to 15 Mph. Gusts to 25 Mph this afternoon.

Tonight 15 Oct Harney County

Mostly clear. Widespread frost with patchy fog after midnight. Lows 21 to 31. Northwest Winds 10 to 15 Mph. Gusts to 25 Mph in the evening.

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Cottonwood Reservoir Temperature Statistics

October Temperature

Burns Municipal Airport (39.8 miles)

  • Lowest 7 October, 2025

    25 °F

  • Average October

    48.9 °F

  • Highest 8 October, 2025

    73.9 °F

Climate (2020–Present)

Burns Municipal Airport (39.8 miles)

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  • Average Low 2020–2025

    32 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    62.2 °F
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