Grandy Lake Weather Forecast

    • 31
    • 44

    Becoming Sunny

    • 29
    • 44

    Sunny

    • 29
    • 44

    Mostly Sunny

    • 32
    • 46

    Partly Sunny

    • 35
    • 43

    Chance Rain/Snow

    • 38
    • 48

    Chance Rain

Today 22 Jan Foothills and Valleys of the North Cascades

Partly sunny. Highs in the lower to mid 40s. Light wind.

Tonight 22 Jan Foothills and Valleys of the North Cascades

Mostly cloudy in the evening then becoming mostly clear. Lows near 30. Light wind becoming northeast 10 to 15 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grandy Lake Temperature Statistics

January Temperature

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

  • Lowest 19 January, 2026

    26.6 °F

  • Average January

    43 °F

  • Highest 13 January, 2026

    57.2 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.6 °F
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