La Grande Reservoir Weather Forecast

    • 42
    • 64

    Decreasing Clouds

    • 33
    • 61

    Rain/Snow

    • 31
    • 38

    Rain/Snow

    • 29
    • 44

    Chance Snow

    • 29
    • 48

    Partly Sunny

    • 31
    • 49

    Partly Sunny

Today 20 Apr Southern Blue Mountains of Oregon

Mostly cloudy. Highs in the upper 60s to lower 70s. Gusts up to 20 Mph in the afternoon.

Tonight 20 Apr Southern Blue Mountains of Oregon

Partly cloudy. A 20 percent chance of rain in the evening. Lows in the 40s.

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La Grande Reservoir Temperature Statistics

April Temperature

La Grande/Union County Airport (13.7 miles)

  • Lowest 3 April, 2026

    28 °F

  • Average April

    47.1 °F

  • Highest 6 April, 2026

    75 °F

Climate (2021–Present)

La Grande/Union County Airport (13.7 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    62.8 °F
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