Sunnyside County Park Weather Forecast

    • 48
    • 74

    Becoming Sunny

    • 50
    • 77

    Partly Sunny

    • 43
    • 67

    Rain Showers

    • 44
    • 59

    Rain Showers

    • 45
    • 63

    Partly Sunny

    • 48
    • 69

    Partly Sunny

Today 23 May Cascade Foothills of Marion and Linn Counties

Partly sunny this Morning, then clearing. Highs in the lower 70s. Northwest wind 5 to 10 Mph.

Tonight 23 May Cascade Foothills of Marion and Linn Counties

Mostly clear. Lows in the upper 40s. Northwest wind 5 to 10 Mph, becoming light after midnight.

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Sunnyside County Park Temperature Statistics

May Temperature

Corvallis, Corvallis Municipal Airport (33.6 miles)

  • Lowest 15 May, 2026

    39.9 °F

  • Average May

    58.3 °F

  • Highest 3 May, 2026

    88 °F

Climate (2021–Present)

Corvallis, Corvallis Municipal Airport (33.6 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    64.1 °F
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