La Grande Reservoir Weather Forecast

    • 33
    • 40

    Mostly Cloudy

    • 40
    • 52

    Chance Rain

    • 40
    • 59

    Mostly Cloudy

    • 43
    • 62

    Mostly Cloudy

    • 44
    • 63

    Partly Sunny

    • 44
    • 65

    Mostly Cloudy

Today 15 Mar Southern Blue Mountains of Oregon

Partly sunny. Highs in the mid to upper 40s.

Tonight 15 Mar Southern Blue Mountains of Oregon

Mostly cloudy. A chance of rain and high mountain snow. Snow level 5000 feet in the evening. Lows in the mid 30s to lower 40s. Chance of precipitation 50 percent.

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La Grande Reservoir Temperature Statistics

March Temperature

La Grande/Union County Airport (13.7 miles)

  • Lowest 3 March, 2026

    21.9 °F

  • Average March

    42.7 °F

  • Highest 7 March, 2026

    64 °F

Climate (2021–Present)

La Grande/Union County Airport (13.7 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    62.8 °F
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