Umatilla National Forest Weather Forecast

    • 33
    • 43

    Becoming Sunny

    • 39
    • 59

    Sunny

    • 44
    • 64

    Mostly Sunny

    • 45
    • 67

    Sunny

    • 43
    • 65

    Mostly Sunny

    • 40
    • 62

    Mostly Sunny

Today 8 May Southern Blue Mountains of Oregon

Mostly cloudy. Highs in the upper 40s to mid 50s. North wind 5 to 15 Mph in the afternoon. Gusts up to 25 Mph.

Tonight 8 May Southern Blue Mountains of Oregon

Mostly cloudy in the evening then clearing. Lows in the 30s. North wind 5 to 15 Mph in the Evening, becoming light.

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Umatilla National Forest Temperature Statistics

May Temperature

Grant County Regional Airport (35.4 miles)

  • Lowest 1 May, 2024

    32 °F

  • Average May

    41.9 °F

  • Highest 3 May, 2024

    62.1 °F

Climate (2019–Present)

Grant County Regional Airport (35.4 miles)

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  • Average Low 2019–2024

    39.2 °F

  • Average 2019–2024

    50.3 °F

  • Average High 2019–2024

    62.1 °F
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