Grandy Lake Weather Forecast

    • 50
    • 65

    Rain

    • 48
    • 61

    Rain Likely

    • 50
    • 63

    Chance Rain

    • 51
    • 69

    Chance Rain

    • 54
    • 73

    Slight Chance Rain

    • 54
    • 68

    Chance Rain

Today 2 Sep Foothills and Valleys of the North Cascades

Mostly cloudy in the Morning, then a chance of rain early in the afternoon. Mostly cloudy with rain likely and a slight chance of Thunderstorms late in the afternoon. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Highs in the upper 60s to mid 70s. Southeast wind 10 to 15 Mph becoming south in the afternoon. Gusts to 35 Mph.

Tonight 2 Sep Foothills and Valleys of the North Cascades

Rain at Times in the Evening, then cloudy with a chance of rain after midnight. Rainfall Amounts a quarter to a half inch possible. Lows in the lower 50s. South wind 10 to 15 Mph becoming southeast after midnight. Gusts to 30 Mph.

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Grandy Lake Temperature Statistics

September Temperature

Burlington/Mount Vernon, Skagit Regional Airport (28.6 miles)

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  • Average September

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Climate (2021–2026)

Burlington/Mount Vernon, Skagit Regional Airport (28.6 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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