Cold Springs Reservoir Weather Forecast

    • 45
    • 70

    Mostly Sunny

    • 47
    • 74

    Mostly Sunny

    • 51
    • 79

    Partly Sunny

    • 52
    • 83

    Partly Sunny

    • 51
    • 81

    Partly Sunny

    • 50
    • 78

    Mostly Sunny

    • 50
    • 79

    Partly Sunny

Today 30 May Lower Columbia Basin of Oregon

Sunny. Highs in the upper 60s to lower 70s. Breezy. West wind 10 to 20 Mph with Gusts to around 30 Mph.

Tonight 30 May Lower Columbia Basin of Oregon

Mostly clear. Lows in the mid 40s. Windy. Southwest wind 15 to 25 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cold Springs Reservoir Temperature Statistics

May Temperature

Hermiston, Hermiston Municipal Airport (5.6 miles)

  • Lowest 1 May, 2026

    37.7 °F

  • Average May

    63.2 °F

  • Highest 28 May, 2026

    90 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    67.8 °F
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