Birch Bay Weather Forecast
- 45
- 54
Rain Likely
- 47
- 50
Rain
- 47
- 54
Rain
- 48
- 54
Rain Likely
- 45
- 53
Chance Rain
- 48
- 53
Rain Likely
- 50
- 54
Rain Likely
Today 17 Oct Lowlands of Western Whatcom County
Breezy. Mostly cloudy with a chance of rain until late Afternoon, then sunny late in the afternoon. Highs in the mid 50s to lower 60s. Southwest wind 15 to 25 Mph becoming west 10 to 15 Mph in the afternoon.
Tonight 17 Oct Lowlands of Western Whatcom County
Mostly clear in the evening then becoming mostly cloudy. Lows in the 40s. South wind to 10 Mph becoming southeast after midnight.
Birch Bay Temperature Statistics
October Temperature
Bellingham, Bellingham International Airport (11.8 miles)
Lowest 15 October, 2025
30 °FAverage October
52 °FHighest 1 October, 2025
69.1 °F
Climate (2020–Present)
Bellingham, Bellingham International Airport (11.8 miles)
Average Low 2020–2025
44 °FAverage 2020–2025
51.3 °FAverage High 2020–2025
59 °F