Umatilla National Forest Weather Forecast

    • 34
    • 49

    Becoming Sunny

    • 44
    • 65

    Mostly Sunny

    • 42
    • 65

    Sunny

    • 44
    • 63

    Sunny

    • 47
    • 67

    Sunny

    • 51
    • 73

    Mostly Sunny

Today 10 Jun Southern Blue Mountains of Oregon

Partly cloudy. Highs in the mid 50s to lower 60s. Northwest wind 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 10 Jun Southern Blue Mountains of Oregon

Mostly clear. Lows in the 30s.

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Umatilla National Forest Temperature Statistics

June Temperature

Grant County Regional Airport (35.4 miles)

  • Lowest 1 June, 2026

    37.6 °F

  • Average June

    58.2 °F

  • Highest 2 June, 2026

    81 °F

Climate (2021–Present)

Grant County Regional Airport (35.4 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.2 °F
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