Grandy Lake Weather Forecast

    • 35
    • 36

    Snow Showers

    • 35
    • 41

    Rain Showers Likely

    • 38
    • 45

    Rain

    • 41
    • 44

    Rain

    • 42
    • 46

    Rain Likely

    • 40
    • 48

    Chance Rain

Today 8 Jan Foothills and Valleys of the North Cascades

A chance of rain and snow Showers in the Morning, then rain and snow Showers in the afternoon. Snow level near 1500 feet. Snow accumulation up to 1 inch. Highs in the upper 30s to mid 40s. South wind 10 to 20 Mph.

Tonight 8 Jan Foothills and Valleys of the North Cascades

A chance of rain and snow Showers in the Evening, then rain and snow Showers after midnight. No snow accumulation. Lows in the mid to upper 30s. South wind to 10 Mph becoming southeast 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 1 January, 2026

    28.4 °F

  • Average January

    43 °F

  • Highest 3 January, 2026

    55.4 °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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