Swinomish Channel - Shelter Bay Weather Forecast
- 36
- 47
Increasing Clouds
- 42
- 53
Mostly Cloudy
- 42
- 51
Rain
- 43
- 51
Slight Chance Rain Showers
- 41
- 54
Mostly Cloudy
- 43
- 55
Mostly Cloudy
- 42
- 55
Mostly Cloudy
Today 30 Mar Lowlands of Western Skagit and Northwestern Snohomish Counties
Sunny then becoming mostly sunny in the late morning and early afternoon then becoming sunny. Areas of freezing fog in the morning. Highs in the mid 40s to lower 50s. Northwest wind 10 to 15 Mph becoming southeast in the Morning, then becoming west in the afternoon.
Tonight 30 Mar Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly clear in the evening then becoming mostly cloudy. Lows in the 30s. North wind to 10 Mph in the evening becoming light.
Swinomish Channel - Shelter Bay Temperature Statistics
March Temperature
Whidbey Island Naval Air Station - Ault Field (6.8 miles)
Lowest 1 March, 2026
32 °FAverage March
45.2 °FHighest 18 March, 2026
57.9 °F
Climate (2021–Present)
Whidbey Island Naval Air Station - Ault Field (6.8 miles)
Average Low 2021–2026
44.5 °FAverage 2021–2026
50.1 °FAverage High 2021–2026
56.1 °F