Lostine Weather Forecast

    • 41
    • 75

    Increasing Clouds

    • 43
    • 74

    Rain Showers

    • 42
    • 71

    Chance Rain Showers

    • 43
    • 75

    Mostly Sunny

    • 44
    • 79

    Mostly Sunny

    • 43
    • 79

    Mostly Sunny

Today 16 Sep Wallowa County

Sunny. Highs in the 60s, except in the 70s Valleys. Gusts up to 20 Mph in the afternoon.

Tonight 16 Sep Wallowa County

Clear. Lows in the lower 40s to lower 50s. Gusts up to 20 Mph in the evening.

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  • Temperature Real-Time

Lostine Temperature Statistics

September Temperature

La Grande/Union County Airport (31.1 miles)

  • Lowest 4 September, 2026

    39 °F

  • Average September

    58.1 °F

  • Highest 10 September, 2026

    89.1 °F

Climate (2021–2026)

La Grande/Union County Airport (31.1 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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