Bellingham Bay - Bellingham Weather Forecast
- 38
- 49
Rain
- 38
- 43
Rain
- 40
- 44
Rain
- 39
- 44
Rain
- 39
- 44
Rain
- 36
- 44
Chance Rain
Today 18 Dec Lowlands of Western Whatcom County
Windy. Rain at Times until late Afternoon, then rain likely late in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs near 50. South wind 20 to 30 Mph becoming southeast in the afternoon. Gusts to 45 Mph.
Tonight 18 Dec Lowlands of Western Whatcom County
Windy. Mostly cloudy. Rain at Times in the Evening, then rain Showers and a slight chance of Thunderstorms late in the evening. A chance of rain after midnight. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Lows in the mid 30s to lower 40s. Southwest wind 15 to 30 Mph. Gusts to 40 Mph in the evening.
Bellingham Bay - Bellingham Temperature Statistics
December Temperature
Bellingham, Bellingham International Airport (3.7 miles)
Lowest 1 December, 2025
32 °FAverage December
47.3 °FHighest 14 December, 2025
59 °F
Climate (2020–Present)
Bellingham, Bellingham International Airport (3.7 miles)
Average Low 2020–2025
44.1 °FAverage 2020–2025
51.4 °FAverage High 2020–2025
59.1 °F