Deer Lake Weather Forecast

    • 52
    • 84

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 57
    • 90

    Partly Sunny

    • 53
    • 86

    Sunny

    • 54
    • 85

    Sunny

    • 57
    • 88

    Mostly Sunny

Today 17 Jun Upper Columbia Basin

Sunny. Highs in the lower to mid 80s. Northwest wind 5 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Jun Upper Columbia Basin

Mostly clear. Lows in the 50s. Northwest wind 5 to 15 Mph with Gusts up to 25 Mph.

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Deer Lake Temperature Statistics

June Temperature

Grant County Airport (37.9 miles)

  • Lowest 7 June, 2026

    44.7 °F

  • Average June

    64.9 °F

  • Highest 15 June, 2026

    93.9 °F

Climate (2021–2026)

Grant County Airport (37.9 miles)

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  • Average Low 2021–2026

    41 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    64.3 °F
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