Lummi Island - Bumstead Spit Weather Forecast
- 48
- 56
Increasing Clouds
- 50
- 59
Increasing Clouds
- 51
- 60
Partly Sunny
- 50
- 60
Mostly Cloudy
- 51
- 61
Partly Sunny
- 51
- 62
Partly Sunny
- 52
- 62
Partly Sunny
Today 16 May Lowlands of Western Whatcom County
Partly sunny. Showers likely in the Morning, then a chance of Showers in the late morning and early afternoon. A slight chance of Thunderstorms in the afternoon. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Highs in the mid 50s to lower 60s. Southwest wind 10 to 15 Mph.
Tonight 16 May Lowlands of Western Whatcom County
Partly cloudy in the evening then becoming mostly cloudy. A slight chance of rain late in the evening. Lows in the 40s. Southwest wind to 10 Mph in the evening becoming light.
Lummi Island - Bumstead Spit Temperature Statistics
May Temperature
Bellingham, Bellingham International Airport (8.1 miles)
Lowest 12 May, 2026
44.7 °FAverage May
58.3 °FHighest 12 May, 2026
77.6 °F
Climate (2021–Present)
Bellingham, Bellingham International Airport (8.1 miles)
Average Low 2021–2026
44 °FAverage 2021–2026
51.5 °FAverage High 2021–2026
59.2 °F