Bellingham, WA Weather & Growing Conditions
This Afternoon
65°F
Mostly Sunny
Mostly sunny. High near 65, with temperatures falling to around 63 in the afternoon. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Mostly Sunny | 5 mph SW | 0% |
| Tonight | 52°F | Mostly Clear | 1 mph S | 0% |
| Sunday | 66°F | Mostly Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 52°F | Mostly Cloudy | 1 mph S | 0% |
| Monday | 65°F | Partly Sunny | 1 to 5 mph S | 0% |
| Monday Night | 52°F | Partly Cloudy | 3 mph S | 0% |
| Tuesday | 65°F | Partly Sunny | 2 to 6 mph S | 1% |
| Tuesday Night | 51°F | Mostly Cloudy then Slight Chance Light Rain | 3 to 7 mph SSE | 16% |
| Wednesday | 66°F | Slight Chance Light Rain then Partly Sunny | 2 to 6 mph S | 16% |
| Wednesday Night | 50°F | Mostly Cloudy | 2 mph S | 14% |
| Thursday | 65°F | Mostly Cloudy | 0 to 6 mph NW | 13% |
| Thursday Night | 50°F | Slight Chance Light Rain | 0 to 5 mph NNW | 23% |
| Friday | 65°F | Slight Chance Light Rain | 0 to 6 mph NW | 23% |
| Friday Night | 49°F | Slight Chance Light Rain | 5 mph S | 21% |
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
8b
Explore more for Bellingham, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Bellingham 3 Ssw, Wa (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.