Hot Lake Reservoir Weather Forecast

    • 60
    • 90

    Clearing Late

    • 57
    • 91

    Mostly Sunny

    • 60
    • 91

    Mostly Sunny

    • 63
    • 95

    Partly Sunny

    • 61
    • 94

    Mostly Cloudy

    • 55
    • 86

    Mostly Sunny

    • 56
    • 85

    Mostly Sunny

Today 17 Aug Grande Ronde Valley

Mostly cloudy with a 20 percent chance of Showers. Highs in the lower 90s. Light wind.

Tonight 17 Aug Grande Ronde Valley

Partly cloudy. A 20 percent chance of rain Showers in the evening. Patchy smoke through the night. Lows in the lower to mid 50s. Northwest wind 5 to 10 Mph in the Evening, becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hot Lake Reservoir Temperature Statistics

August Temperature

La Grande/Union County Airport (3.7 miles)

  • Lowest 5 August, 2026

    43 °F

  • Average August

    70.4 °F

  • Highest 7 August, 2026

    99 °F

Climate (2021–2026)

La Grande/Union County Airport (3.7 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.6 °F
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