Lummi Island Weather Forecast
- 36
- 46
Increasing Clouds
- 36
- 47
Partly Sunny
- 36
- 45
Partly Sunny
- 35
- 44
Mostly Cloudy
- 35
- 44
Partly Sunny
- 37
- 44
Chance Rain/Snow
Today 19 Jan Lowlands of Western Whatcom County
Sunny. Patchy dense fog late in the morning. Highs in the mid 40s to lower 50s. Light wind.
Tonight 19 Jan Lowlands of Western Whatcom County
Partly cloudy in the evening then becoming mostly cloudy. Patchy dense fog in the late evening and early morning. Lows in the 30s. Light wind.
Lummi Island Temperature Statistics
January Temperature
Bellingham, Bellingham International Airport (8.1 miles)
Lowest 1 January, 2026
28 °FAverage January
43.7 °FHighest 12 January, 2026
55 °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 °F