Bellingham
Bellingham / Whatcom · Zone 8b · North Sound. 1.4° latitude north of Kent; consistently 2-3 weeks behind on GDD milestones.
Data through March 13, 2026
Season Progress
Cumulative GDD₃₂ year to date. Other stations shown faded for regional context.
Soil Temperature
Daily soil temperature at 2-inch depth. Bands: below 40°F (too cold), 40-50°F (cool-season), above 50°F (warm-season activation).
Frost Events
Every night the temperature dropped below 32°F. Color indicates severity: light (28-32°F), moderate (24-28°F), hard (<24°F).
Precipitation
Daily rainfall (bars) and cumulative total (bold line) for Bellingham. Other stations shown faded.
Chill Hours
Cumulative hours below 45°F since January 1. Dashed lines show common fruit tree thresholds.
Dew Point & Disease Risk
Daily average dew point. Watch zone: 50-55°F. Active disease risk above 55°F.
Water Balance
Cumulative precipitation (solid) vs. evapotranspiration (dashed) for Bellingham. When ET crosses above precipitation, start irrigating.
Sunshine Hours
7-day rolling average of daily sunshine. Other stations faded for comparison.
Monthly Summary
| Month | Low | High | Precip | Snow | Frost | Spray | GDD₃₂ | Sun hrs |
|---|---|---|---|---|---|---|---|---|
| Jan | 25.5° | 57° | 7.59" | 1.9" | 3 | 13 | 338.3 | 126.5 |
| Feb | 26° | 59.3° | 4.96" | 1.9" | 5 | 9 | 313.4 | 155.4 |
| Mar | 32.8° | 53.9° | 3.03" | 1.3" | 0 | 2 | 156.6 | 42.6 |
Other Stations
Data from the HortGuide station network via Open-Meteo. Your microclimate varies. Updated daily.