Birch Bay Weather Forecast
- 45
- 56
Chance Rain
- 47
- 60
Mostly Sunny
- 49
- 62
Partly Sunny
- 49
- 60
Mostly Cloudy
- 51
- 65
Mostly Sunny
- 53
- 69
Mostly Sunny
Today 28 Apr Lowlands of Western Whatcom County
Mostly cloudy. A slight chance of rain in the Morning, then a chance of rain late in the morning. A slight chance of rain early in the afternoon. Highs in the mid 50s to lower 60s. South wind 10 to 15 Mph decreasing to 10 Mph or less in the afternoon.
Tonight 28 Apr Lowlands of Western Whatcom County
Partly cloudy. Lows in the 40s. Light wind.
Birch Bay Temperature Statistics
April Temperature
Bellingham, Bellingham International Airport (11.8 miles)
Lowest 8 April, 2026
31.6 °FAverage April
48.9 °FHighest 19 April, 2026
70 °F
Climate (2021–Present)
Bellingham, Bellingham International Airport (11.8 miles)
Average Low 2021–2026
44 °FAverage 2021–2026
51.4 °FAverage High 2021–2026
59.1 °F