Sylvan Lake Weather Forecast

    • 35
    • 54

    Mostly Sunny

    • 39
    • 60

    Partly Sunny

    • 34
    • 58

    Partly Sunny

    • 37
    • 53

    Partly Sunny

    • 39
    • 55

    Mostly Cloudy

    • 35
    • 51

    Partly Sunny

Today 15 Oct Kootenai/Cabinet Region

Mostly sunny. Areas of fog in the morning. Widespread frost early in the morning. Areas of frost late in the morning. Highs in the mid 50s to lower 60s.

Tonight 15 Oct Kootenai/Cabinet Region

Partly cloudy. Areas of frost and patchy fog after midnight. Lows in the upper 20s to mid 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sylvan Lake Temperature Statistics

October Temperature

Mullan Pass, Mullan Pass Vor (36 miles)

  • Lowest 11 October, 2026

    24.1 °F

  • Average October

    45.7 °F

  • Highest 4 October, 2026

    69.1 °F

Climate (2021–2026)

Mullan Pass, Mullan Pass Vor (36 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    39.8 °F

  • Average High 2021–2026

    46.1 °F
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