Lake Waha Weather Forecast

    • 47
    • 61

    Chance Rain Showers

    • 50
    • 67

    Mostly Sunny

    • 58
    • 75

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 48
    • 66

    Partly Sunny

    • 47
    • 61

    Chance Rain Showers

    • 46
    • 59

    Chance Rain Showers

Today 7 Sep Lewis and Southern Nez Perce Counties

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 50s to upper 60s. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 7 Sep Lewis and Southern Nez Perce Counties

Partly cloudy. A chance of rain Showers in the evening. Lows in the 40s. Chance of precipitation 20 percent.

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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

    55.3 °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

    47.4 °F

  • Average High 2021–2026

    57.9 °F
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