Guemes Island Weather Forecast
- 55
- 73
Rain Showers Likely
- 54
- 71
Mostly Sunny
- 54
- 71
Mostly Sunny
- 55
- 73
Mostly Sunny
- 57
- 77
Partly Sunny
- 58
- 78
Partly Sunny
- 57
- 78
Mostly Sunny
Today 16 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties
Partly sunny. A slight chance of Showers until late Afternoon, then a chance of Showers and a slight chance of Thunderstorms late in the afternoon. Highs in the upper 60s to mid 70s. West wind to 10 Mph becoming southwest in the afternoon.
Tonight 16 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly cloudy. A chance of Showers and a slight chance of Thunderstorms in the Evening, then a slight chance of rain late in the evening. Lows in the 50s. Southwest wind to 10 Mph becoming south after midnight.
Guemes Island Temperature Statistics
July Temperature
Burlington/Mount Vernon, Skagit Regional Airport (9.9 miles)
Lowest 2 July, 2026
46.4 °FAverage July
60.6 °FHighest 6 July, 2026
78.8 °F
Climate (2021–2026)
Burlington/Mount Vernon, Skagit Regional Airport (9.9 miles)
Average Low 2021–2026
43.8 °FAverage 2021–2026
51.3 °FAverage High 2021–2026
59.4 °F