Cold Springs Reservoir Weather Forecast

    • 41
    • 68

    Increasing Clouds

    • 39
    • 63

    Chance Rain Showers

    • 33
    • 62

    Mostly Sunny

    • 35
    • 60

    Mostly Cloudy

    • 34
    • 58

    Chance Rain Showers

    • 34
    • 57

    Partly Sunny

Today 21 Oct Lower Columbia Basin of Oregon

Sunny. Patchy frost in the morning. Highs in the mid to upper 60s. Light wind.

Tonight 21 Oct Lower Columbia Basin of Oregon

Mostly clear. Lows in the upper 30s to lower 40s. Light wind.

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Cold Springs Reservoir Temperature Statistics

October Temperature

Hermiston, Hermiston Municipal Airport (5.6 miles)

  • Lowest 13 October, 2026

    27.6 °F

  • Average October

    55.7 °F

  • Highest 5 October, 2026

    84.7 °F

Climate (2021–2026)

Hermiston, Hermiston Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    67.6 °F
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