Lake Waha Weather Forecast

    • 61
    • 77

    Slight Chance Thunderstorms

    • 60
    • 81

    Chance Thunderstorms

    • 64
    • 82

    Chance Rain Showers

    • 62
    • 81

    Chance Rain Showers

    • 59
    • 78

    Mostly Sunny

    • 60
    • 78

    Partly Sunny

Today 14 Aug Lewis and Southern Nez Perce Counties

Mostly cloudy with a chance of Showers and Thunderstorms. Patchy smoke. Highs in the upper 70s to mid 80s. Chance of precipitation 40 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 14 Aug Lewis and Southern Nez Perce Counties

Partly cloudy. Patchy smoke. Lows in the lower 50s to lower 60s.

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Lake Waha Temperature Statistics

August Temperature

Grangeville - Idaho County Airport (37.9 miles)

  • Lowest 4 August, 2026

    42.8 °F

  • Average August

    68 °F

  • Highest 6 August, 2026

    91.4 °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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