Lostine Reservoir Weather Forecast

    • 40
    • 61

    Mostly Sunny

    • 43
    • 67

    Mostly Sunny

    • 45
    • 70

    Mostly Sunny

    • 38
    • 67

    Mostly Sunny

    • 41
    • 65

    Partly Sunny

    • 37
    • 59

    Slight Chance Rain Showers

    • 36
    • 52

    Slight Chance Rain/Snow

Today 14 Oct Wallowa County

Sunny. Highs in the 50s, except in the upper 50s to mid 60s Valleys.

Tonight 14 Oct Wallowa County

Clear. Areas of frost overnight. Lows in the 30s. Gusts up to 20 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lostine Reservoir Temperature Statistics

October Temperature

La Grande/Union County Airport (29.8 miles)

  • Lowest 12 October, 2026

    30.9 °F

  • Average October

    54 °F

  • Highest 4 October, 2026

    89.1 °F

Climate (2021–2026)

La Grande/Union County Airport (29.8 miles)

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

  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    62.8 °F
Get WillyWeather+ to remove ads