Lake Waha Weather Forecast

    • 55
    • 70

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

    • 60
    • 78

    Mostly Sunny

    • 56
    • 75

    Partly Sunny

    • 51
    • 70

    Partly Sunny

    • 52
    • 69

    Partly Sunny

    • 48
    • 66

    Mostly Cloudy

Today 19 Sep Lewis and Southern Nez Perce Counties

Mostly cloudy. Highs in the 60s.

Tonight 19 Sep Lewis and Southern Nez Perce Counties

Mostly clear. Lows in the upper 40s to mid 50s.

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  • Temperature Real-Time

Lake Waha Temperature Statistics

September Temperature

Grangeville - Idaho County Airport (37.9 miles)

  • Lowest 15 September, 2026

    37.4 °F

  • Average September

    55.7 °F

  • Highest 10 September, 2026

    84.2 °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

    57.9 °F
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