Umatilla National Forest Weather Forecast

    • 46
    • 68

    Rain Showers Likely

    • 38
    • 55

    Rain Showers

    • 36
    • 46

    Rain/Snow Likely

    • 38
    • 47

    Chance Rain Showers

    • 40
    • 55

    Partly Sunny

    • 40
    • 59

    Mostly Sunny

Today 25 Jun Southern Blue Mountains of Oregon

Mostly cloudy. Highs in the lower 70s to lower 80s.

Tonight 25 Jun Southern Blue Mountains of Oregon

Cloudy. Rain Showers likely overnight. Lows in the mid 40s to lower 50s. Chance of precipitation 70 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • 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

    63.5 °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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