Grandy Lake Weather Forecast

    • 46
    • 54

    Rain

    • 44
    • 58

    Chance Rain

    • 47
    • 65

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

    • 57
    • 76

    Sunny

    • 61
    • 82

    Mostly Sunny

    • 62
    • 84

    Partly Sunny

Today 9 Jun Foothills and Valleys of the North Cascades

Showers in the Morning, then Showers likely late in the morning. Showers and a slight chance of Thunderstorms in the afternoon. Rainfall Amounts one to three Inches Possible, except higher Amounts possible in Thunderstorms. Highs in the mid 50s to lower 60s. West wind to 10 Mph becoming southwest in the afternoon.

Tonight 9 Jun Foothills and Valleys of the North Cascades

Rain until early Morning, then rain likely late in the night. Rainfall Amounts a half inch to one inch possible. Lows in the mid to upper 40s. Southwest wind 10 to 15 Mph becoming south after midnight. Gusts to 30 Mph.

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  • Temperature Real-Time

Grandy Lake Temperature Statistics

June Temperature

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

  • Lowest 1 June, 2026

    42.8 °F

  • Average June

    57.6 °F

  • Highest 2 June, 2026

    80.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.5 °F
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