Joseph Weather Forecast

    • 41
    • 74

    Rain Showers

    • 37
    • 56

    Rain Showers

    • 37
    • 63

    Mostly Sunny

    • 38
    • 65

    Mostly Sunny

    • 39
    • 67

    Mostly Sunny

    • 43
    • 73

    Mostly Sunny

    • 44
    • 77

    Mostly Sunny

Today 12 Sep Wallowa County

Partly cloudy. Highs in the mid 60s to lower 70s, except in the mid 70s to lower 80s Valleys.

Tonight 12 Sep Wallowa County

Mostly cloudy. A chance of rain Showers in the Evening, then rain Showers likely and a chance of Thunderstorms overnight. Lows in the upper 30s to upper 40s. West wind 5 to 15 Mph with Gusts to around 30 Mph overnight. Chance of precipitation 70 percent. Rainfall Amounts around a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Joseph Temperature Statistics

September Temperature

La Grande/Union County Airport (37.9 miles)

  • Lowest 4 September, 2026

    39 °F

  • Average September

    58.7 °F

  • Highest 10 September, 2026

    89.1 °F

Climate (2021–2026)

La Grande/Union County Airport (37.9 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.7 °F
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