Sylvan Lake Weather Forecast

    • 53
    • 82

    Decreasing Clouds

    • 50
    • 84

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

    • 51
    • 82

    Sunny

    • 51
    • 84

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

Today 2 May Upper Columbia Basin

Mostly cloudy in the Morning, becoming partly cloudy. Highs in the upper 70s to mid 80s. Northeast wind 5 to 15 Mph with Gusts up to 20 Mph.

Tonight 2 May Upper Columbia Basin

Partly cloudy. Lows in the lower to mid 50s. Northeast wind 5 to 10 Mph.

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Sylvan Lake Temperature Statistics

May Temperature

Grant County Airport (36 miles)

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  • Average May

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Climate (2021–Present)

Grant County Airport (36 miles)

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  • Average Low 2021–2026

    41 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    64.2 °F
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