Lake Waha Weather Forecast

    • 64
    • 79

    Slight Chance Rain Showers

    • 67
    • 87

    Sunny

    • 65
    • 90

    Mostly Sunny

    • 63
    • 83

    Mostly Sunny

    • 64
    • 85

    Mostly Sunny

    • 65
    • 86

    Mostly Sunny

    • 68
    • 88

    Partly Sunny

Today 14 Jul Lewis and Southern Nez Perce Counties

Mostly cloudy. Showers likely in the Morning, then a chance of Showers in the afternoon. Highs in the upper 70s to upper 80s. Southwest wind 5 to 15 Mph in the Morning, becoming light and variable. Chance of precipitation 70 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 14 Jul Lewis and Southern Nez Perce Counties

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

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Lake Waha Temperature Statistics

July Temperature

Grangeville - Idaho County Airport (37.9 miles)

  • Lowest 2 July, 2026

    42.8 °F

  • Average July

    66.3 °F

  • Highest 10 July, 2026

    89.6 °F

Climate (2021–2026)

Grangeville - Idaho County Airport (37.9 miles)

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  • Average Low 2021–2026

    37 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    57.8 °F
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