Walter Lake Weather Forecast

    • 55
    • 91

    Breezy

    • 56
    • 87

    Areas Smoke

    • 59
    • 92

    Mostly Sunny

    • 62
    • 96

    Mostly Sunny

    • 62
    • 99

    Hot

    • 62
    • 97

    Hot

    • 62
    • 95

    Mostly Sunny

Today 9 Jul Upper Columbia Basin

Sunny. Highs in the upper 80s to lower 90s. Windy. West wind 20 to 30 Mph. Gusts up to 45 Mph in the afternoon.

Tonight 9 Jul Upper Columbia Basin

Mostly clear. Lows in the mid 50s to lower 60s. Windy. West wind 20 to 30 Mph. Gusts up to 40 Mph decreasing to 30 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Walter Lake Temperature Statistics

July Temperature

Grant County Airport (30.4 miles)

  • Lowest 7 July, 2025

    54 °F

  • Average July

    76 °F

  • Highest 1 July, 2025

    98.1 °F

Climate (2020–Present)

Grant County Airport (30.4 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    64.2 °F
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