Rosario Head Weather Forecast
- 41
- 49
Mostly Cloudy
- 38
- 44
Rain Likely
- 36
- 46
Partly Sunny
- 43
- 48
Rain
- 42
- 49
Rain
- 43
- 51
Chance Rain
Today 28 Mar Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly cloudy. A slight chance of rain in the afternoon. Highs in the upper 40s to mid 50s. Light wind becoming west to 10 Mph in the afternoon.
Tonight 28 Mar Lowlands of Western Skagit and Northwestern Snohomish Counties
Mostly cloudy. A slight chance of rain in the evening. A slight chance of rain after Midnight, then a chance of rain in the morning. Lows in the mid 30s to lower 40s. West wind to 10 Mph.
Rosario Head Temperature Statistics
March Temperature
Whidbey Island Naval Air Station - Ault Field (3.7 miles)
Lowest 1 March, 2026
32 °FAverage March
45.3 °FHighest 18 March, 2026
57.9 °F
Climate (2021–Present)
Whidbey Island Naval Air Station - Ault Field (3.7 miles)
Average Low 2021–2026
44.5 °FAverage 2021–2026
50.1 °FAverage High 2021–2026
56.1 °F