Sylvan Lake Weather Forecast

    • 20
    • 37

    Increasing Clouds

    • 30
    • 39

    Snow

    • 31
    • 40

    Rain

    • 23
    • 40

    Chance Snow

    • 22
    • 36

    Chance Snow

    • 16
    • 32

    Chance Snow

    • 14
    • 27

    Chance Snow

Today 29 Jan Upper Columbia Basin

Sunny. Highs in the 30s. Light wind.

Tonight 29 Jan Upper Columbia Basin

Mostly clear. Lows in the lower 20s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sylvan Lake Temperature Statistics

January Temperature

Grant County Airport (36 miles)

  • Lowest 27 January, 2025

    14 °F

  • Average January

    31.9 °F

  • Highest 11 January, 2025

    47.6 °F

Climate (2020–Present)

Grant County Airport (36 miles)

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  • Average Low 2020–2025

    41.1 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    64.2 °F
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