Guemes Island - Boat Harbor Weather Forecast
- 54
- 67
Gradual Clearing
- 53
- 67
Partly Sunny
- 54
- 68
Mostly Cloudy
- 56
- 71
Partly Sunny
- 56
- 73
Mostly Sunny
- 56
- 73
Mostly Sunny
Today 18 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties
Sunny then becoming partly sunny late in the morning then becoming cloudy then becoming partly sunny late in the afternoon. Highs in the mid 60s to lower 70s. Light wind becoming west around 10 Mph in the afternoon.
Tonight 18 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties
Partly cloudy. Lows in the lower to mid 50s. Southwest wind around 10 Mph becoming south to 10 Mph after midnight.
Guemes Island - Boat Harbor Temperature Statistics
July Temperature
Burlington/Mount Vernon, Skagit Regional Airport (8.7 miles)
Lowest 4 July, 2025
46.4 °FAverage July
63.5 °FHighest 16 July, 2025
87.8 °F
Climate (2020–Present)
Burlington/Mount Vernon, Skagit Regional Airport (8.7 miles)
Average Low 2020–2025
43.7 °FAverage 2020–2025
51.3 °FAverage High 2020–2025
59.8 °F