Twin Lake Weather Forecast

    • 60
    • 87

    Slight Chance Thunderstorms

    • 57
    • 88

    Chance Rain Showers

    • 56
    • 84

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

    • 59
    • 86

    Partly Sunny

    • 61
    • 86

    Mostly Cloudy

Today 15 Jul Northern Blue Mountains of Oregon

Partly cloudy in the morning then clearing. A 20 percent chance of Showers and Thunderstorms. Highs in the lower to mid 80s, except in the upper 80s to mid 90s Valleys.

Tonight 15 Jul Northern Blue Mountains of Oregon

Mostly clear. Lows in the mid 50s to lower 60s.

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Twin Lake Temperature Statistics

July Temperature

La Grande/Union County Airport (6.2 miles)

  • Lowest 2 July, 2026

    48 °F

  • Average July

    71 °F

  • Highest 7 July, 2026

    95 °F

Climate (2021–2026)

La Grande/Union County Airport (6.2 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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