Bellingham, Washington Weather
August Arrives Dimmed. Day 43 of summer. Read this microseason across nine climate regions →
Bellingham weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Light Drizzle——68°55°—
- MondayAug 3Mostly Clear——79°56°+11°
- TuesdayAug 4Foggy——71°55°-8°
- WednesdayAug 5Foggy——74°57°+3°
- ThursdayAug 6Overcast——74°59°0°
- FridayAug 7Partly Cloudy——70°58°-4°
- SaturdayAug 8Partly Cloudy——70°56°0°
AQI 21 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
Red sky at night, sailor's delight.
- Moonrise
- 9:56 PM
- Moonset
- 10:23 AM
- In sign
- ♓︎ Pisces
August Arrives Dimmed
Bellingham at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: June 8 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 98225, 98226, 98229
16-Day Forecast — Bellingham
- Sun68°55°8%
- Mon79°56°2%
- Tue71°55°0%
- Wed74°57°0%
- Thu74°59°0%
- Fri70°58°0%
- Sat70°56°0%
- Sun66°54°1%
- Mon68°55°1%
- Tue71°57°2%
- Wed71°58°2%
- Thu70°57°6%
- Fri70°57°3%
- Sat70°58°6%
- Sun69°56°10%
- Mon67°59°6%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Bellingham
Right now in the garden
Peak growing season
As of August 2, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Sun & seasons in Bellingham
Bellingham sits in Whatcom County, where the year’s longest day runs 16h 10m of daylight and its shortest just 8h 16m — a swing of +7h 54m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Seattle, the state’s largest city, lies about 79 miles to the S. The nearest town Bellingham tracks is Marysville, roughly 49 miles to the SSE.
Air quality in Bellingham’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 24). See the full air-quality history for Bellingham.
ZIP codes in Bellingham
- 98225
- 98226
- 98229
- 98228