Umatilla National Forest Weather Forecast

    • 48
    • 71

    Mostly Sunny

    • 51
    • 75

    Partly Sunny

    • 52
    • 73

    Partly Sunny

    • 48
    • 71

    Rain Showers

    • 39
    • 55

    Rain Showers

    • 36
    • 47

    Rain Showers Likely

    • 37
    • 47

    Slight Chance Rain Showers

Today 22 Jun Southern Blue Mountains of Oregon

Sunny. Highs in the mid 70s to lower 80s.

Tonight 22 Jun Southern Blue Mountains of Oregon

Mostly clear. Lows in the mid 40s to mid 50s. Gusts up to 20 Mph in the evening.

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  • Temperature Real-Time

Umatilla National Forest Temperature Statistics

June Temperature

Grant County Regional Airport (35.4 miles)

  • Lowest 1 June, 2026

    37.6 °F

  • Average June

    62.7 °F

  • Highest 19 June, 2026

    90.9 °F

Climate (2021–2026)

Grant County Regional Airport (35.4 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.2 °F
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