Umatilla National Forest Weather Forecast

    • 51
    • 67

    Gradual Clearing

    • 42
    • 66

    Partly Sunny

    • 45
    • 67

    Mostly Sunny

    • 43
    • 69

    Sunny

    • 41
    • 65

    Partly Sunny

    • 37
    • 57

    Slight Chance Rain/Snow

Today 15 Jun Southern Blue Mountains of Oregon

Mostly cloudy in the morning then clearing. Highs in the 70s.

Tonight 15 Jun Southern Blue Mountains of Oregon

Mostly cloudy. Lows in the upper 40s to lower 50s.

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Umatilla National Forest Temperature Statistics

June Temperature

Grant County Regional Airport (35.4 miles)

  • Lowest 3 June, 2025

    38.3 °F

  • Average June

    66.3 °F

  • Highest 9 June, 2025

    93.9 °F

Climate (2020–Present)

Grant County Regional Airport (35.4 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    62.3 °F
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