Lake Waha Weather Forecast

    • 52
    • 79

    Chance Rain Showers

    • 50
    • 67

    Increasing Clouds

    • 47
    • 69

    Rain Showers

    • 44
    • 55

    Rain Showers

    • 45
    • 59

    Mostly Sunny

    • 47
    • 63

    Mostly Sunny

    • 50
    • 67

    Mostly Sunny

Today 10 Sep Lewis and Southern Nez Perce Counties

Sunny. Highs in the upper 70s to upper 80s. West wind 5 to 15 Mph with Gusts up to 30 Mph.

Tonight 10 Sep Lewis and Southern Nez Perce Counties

Mostly cloudy. A chance of rain Showers in the Evening, then rain Showers likely overnight. Lows in the upper 40s to mid 50s. Chance of precipitation 70 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Waha Temperature Statistics

September Temperature

Grangeville - Idaho County Airport (37.9 miles)

  • Lowest 5 September, 2026

    41 °F

  • Average September

    54.8 °F

  • Highest 1 September, 2026

    82.4 °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

    57.9 °F
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