Lostine Reservoir Weather Forecast

    • 33
    • 48

    Rain/Snow

    • 28
    • 50

    Rain

    • 26
    • 40

    Snow

    • 30
    • 51

    Mostly Sunny

    • 36
    • 59

    Mostly Sunny

    • 38
    • 63

    Partly Sunny

    • 40
    • 66

    Mostly Cloudy

Today 31 Mar Wallowa County

Rain and high mountain snow likely. No high mountain snow accumulation. Highs in the lower 40s to lower 50s. Chance of precipitation 70 percent.

Tonight 31 Mar Wallowa County

Mostly cloudy. Rain and high mountain snow in the Evening, then a chance of rain and high mountain snow overnight. Little or no high mountain snow accumulation. Lows in the upper 20s to upper 30s. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lostine Reservoir Temperature Statistics

March Temperature

La Grande/Union County Airport (29.8 miles)

  • Lowest 27 March, 2026

    19 °F

  • Average March

    45.7 °F

  • Highest 20 March, 2026

    79 °F

Climate (2021–Present)

La Grande/Union County Airport (29.8 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    62.8 °F
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