Slate Lake Weather Forecast

    • 39
    • 56

    Sunny

    • 38
    • 58

    Mostly Sunny

    • 35
    • 57

    Mostly Sunny

    • 39
    • 59

    Mostly Sunny

    • 44
    • 63

    Partly Sunny

    • 47
    • 69

    Mostly Sunny

Today 11 Jun Southern Clearwater Mountains

Sunny. Widespread frost and patchy fog early in the morning. Highs 59 to 73.

Tonight 11 Jun Southern Clearwater Mountains

Clear. Lows 34 to 49.

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Slate Lake Temperature Statistics

June Temperature

Grangeville - Idaho County Airport (24.9 miles)

  • Lowest 8 June, 2026

    33.8 °F

  • Average June

    53.5 °F

  • Highest 2 June, 2026

    71.6 °F

Climate (2021–Present)

Grangeville - Idaho County Airport (24.9 miles)

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  • Average Low 2021–2026

    37.1 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    58 °F
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