Rainbow Lake Weather Forecast

    • 42
    • 69

    Partly Sunny

    • 46
    • 71

    Partly Sunny

    • 36
    • 62

    Rain

    • 41
    • 49

    Chance Rain

    • 42
    • 59

    Chance Rain

Today 23 May Cascades of Marion and Linn Counties

Sunny. Free air freezing level 12000 feet. Pass Winds west 5 to 10 Mph.

Tonight 23 May Cascades of Marion and Linn Counties

Mostly clear. Free air freezing level 12000 feet. Pass Winds northwest 5 to 10 Mph, becoming light after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

May Temperature

Redmond Roberts Field (54.7 miles)

  • Lowest 14 May, 2026

    25.6 °F

  • Average May

    55.6 °F

  • Highest 12 May, 2026

    87.7 °F

Climate (2021–Present)

Redmond Roberts Field (54.7 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    65.8 °F
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