Tolo Lake Weather Forecast

    • 50
    • 78

    Mostly Sunny

    • 47
    • 81

    Chance Rain

    • 46
    • 70

    Partly Sunny

    • 44
    • 69

    Rain

    • 39
    • 56

    Rain

    • 41
    • 62

    Mostly Sunny

    • 44
    • 67

    Partly Sunny

Today 9 Sep Orofino/Grangeville Region

Mostly sunny. Highs in the 70s to mid 80s.

Tonight 9 Sep Orofino/Grangeville Region

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

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  • Temperature Real-Time

Tolo Lake Temperature Statistics

September Temperature

Grangeville - Idaho County Airport (5 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 (5 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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