Clear Lake Weather Forecast

    • 51
    • 69

    Rain

    • 49
    • 66

    Rain Likely

    • 48
    • 67

    Mostly Cloudy

    • 51
    • 72

    Partly Sunny

    • 52
    • 71

    Rain Likely

    • 50
    • 65

    Rain

    • 49
    • 67

    Chance Rain

Today 28 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the mid 60s to lower 70s. Light wind becoming southwest 10 to 15 Mph in the afternoon.

Tonight 28 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy. A chance of rain in the Evening, then Showers and a slight chance of Thunderstorms after midnight. Patchy fog late in the night. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Lows in the lower to mid 50s. West wind 10 to 15 Mph becoming southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

August Temperature

Burlington/Mount Vernon, Skagit Regional Airport (8.1 miles)

  • Lowest 3 August, 2026

    50 °F

  • Average August

    62.9 °F

  • Highest 25 August, 2026

    86 °F

Climate (2021–2026)

Burlington/Mount Vernon, Skagit Regional Airport (8.1 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    59.3 °F
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