Bellingham, WA Weather & Growing Conditions
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. South southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 1 mph SSE | 0% |
| Saturday | 67°F | Partly Sunny | 2 mph SW | 0% |
| Saturday Night | 50°F | Mostly Clear | 1 mph SE | 0% |
| Sunday | 68°F | Mostly Sunny | 2 mph SSW | 0% |
| Sunday Night | 50°F | Partly Cloudy | 1 mph S | 0% |
| Monday | 67°F | Mostly Sunny | 3 mph S | 0% |
| Monday Night | 50°F | Partly Cloudy | 2 mph S | 0% |
| Tuesday | 64°F | Partly Sunny | 2 mph SSW | 0% |
| Tuesday Night | 50°F | Mostly Cloudy | 3 mph S | 10% |
| Wednesday | 63°F | Partly Sunny | 3 mph S | 14% |
| Wednesday Night | 50°F | Mostly Cloudy | 1 mph S | 14% |
| Thursday | 62°F | Mostly Cloudy | 2 mph NNE | 13% |
| Thursday Night | 48°F | Slight Chance Light Rain | 2 mph WNW | 23% |
| Friday | 62°F | Slight Chance Light Rain then Partly Sunny | 2 mph W | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bellingham, WA
Last spring frost
Apr 1
First fall frost
Nov 2
Growing season
216 days
Hardiness zone
8a
Explore more for Bellingham, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Bellingham 3 Ssw, Wa (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.