Guemes Island Weather Forecast
- 53
- 69
Rain Likely
- 52
- 68
Chance Rain
- 51
- 68
Mostly Cloudy
- 52
- 68
Mostly Cloudy
- 52
- 69
Chance Rain
- 51
- 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
Cloudy. A chance of Showers in the Evening, then Showers likely and a slight chance of Thunderstorms after midnight. Patchy fog in the morning. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Lows in the lower to mid 50s. West wind 10 to 15 Mph becoming south after midnight.
Guemes Island Temperature Statistics
August Temperature
Burlington/Mount Vernon, Skagit Regional Airport (9.9 miles)
Lowest 3 August, 2026
50 °FAverage August
62.9 °FHighest 25 August, 2026
86 °F
Climate (2021–2026)
Burlington/Mount Vernon, Skagit Regional Airport (9.9 miles)
Average Low 2021–2026
43.8 °FAverage 2021–2026
51.2 °FAverage High 2021–2026
59.3 °F