Lummi Island - Bumstead Spit Weather Forecast
- 48
- 58
Mostly Cloudy
- 49
- 60
Partly Sunny
- 51
- 60
Mostly Cloudy
- 50
- 58
Chance Rain
- 48
- 56
Slight Chance Rain
- 47
- 58
Mostly Sunny
- 47
- 59
Mostly Sunny
Today 18 Apr Lowlands of Western Whatcom County
Mostly sunny. Highs in the upper 50s to mid 60s. Light wind.
Tonight 18 Apr Lowlands of Western Whatcom County
Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Lows in the mid to upper 40s. Light wind.
Lummi Island - Bumstead Spit Temperature Statistics
April Temperature
Bellingham, Bellingham International Airport (8.1 miles)
Lowest 8 April, 2026
31.6 °FAverage April
48.5 °FHighest 5 April, 2026
65.6 °F
Climate (2021–Present)
Bellingham, Bellingham International Airport (8.1 miles)
Average Low 2021–2026
44 °FAverage 2021–2026
51.4 °FAverage High 2021–2026
59.1 °F