Eightmile Weather Forecast

    • 45
    • 68

    Rain Showers

    • 42
    • 55

    Rain Showers Likely

    • 44
    • 63

    Mostly Sunny

    • 44
    • 63

    Mostly Sunny

    • 47
    • 66

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

Today 12 Sep Southern Blue Mountains of Oregon

Sunny in the Morning, becoming partly cloudy. Highs in the upper 60s to mid 70s. Gusts up to 20 Mph in the afternoon.

Tonight 12 Sep Southern Blue Mountains of Oregon

Rain Showers likely and a chance of Thunderstorms in the Evening, then rain Showers overnight. Lows in the mid 30s to lower 40s. West wind 5 to 15 Mph overnight. Gusts up to 30 Mph. Chance of precipitation near 100 percent. Rainfall Amounts up to a half of an inch Possible, except higher Amounts possible in Thunderstorms.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Eightmile Temperature Statistics

September Temperature

Hermiston, Hermiston Municipal Airport (47.2 miles)

  • Lowest 4 September, 2026

    42.7 °F

  • Average September

    64.7 °F

  • Highest 10 September, 2026

    90 °F

Climate (2021–2026)

Hermiston, Hermiston Municipal Airport (47.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    67.5 °F
Get WillyWeather+ to remove ads