Bellingham, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bellingham, a city in Whatcom County, Washington.
Today
55°F
Mostly Cloudy
Mostly cloudy. High near 55, with temperatures falling to around 51 in the afternoon. Northwest wind around 1 mph.
7-day forecast for Bellingham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 55°F | Mostly Cloudy | 1 mph NW | 6% |
| Tonight | 40°F | Partly Cloudy | 0 mph | 5% |
| Wednesday | 59°F | Mostly Sunny then Slight Chance Light Rain | 0 to 3 mph SE | 22% |
| Wednesday Night | 48°F | Light Rain | 3 to 9 mph SSE | 96% |
| Thursday | 57°F | Chance Light Rain then Partly Sunny | 5 to 8 mph SSE | 37% |
| Thursday Night | 47°F | Light Rain | 5 to 14 mph SE | 86% |
| Friday | 55°F | Light Rain | 9 to 15 mph SE | 86% |
| Friday Night | 45°F | Chance Light Rain | 3 to 9 mph ESE | 43% |
| Saturday | 60°F | Chance Light Rain | 3 to 9 mph ESE | 39% |
| Saturday Night | 49°F | Light Rain | 9 to 18 mph SSE | 78% |
| Sunday | 55°F | Light Rain Likely | 5 to 14 mph S | 72% |
| Sunday Night | 42°F | Chance Light Rain | 5 mph SE | 28% |
| Monday | 55°F | Light Rain Likely | 3 to 8 mph ESE | 55% |
| Monday Night | 47°F | Light Rain Likely | 8 to 15 mph SE | 74% |
Forecast source: National Weather Service (api.weather.gov) for Bellingham (48.753, -122.470). Updated through the day.
Growing snapshot for Bellingham
Last spring frost
Apr 1
First fall frost
Nov 2
Growing season
216 days
Hardiness zone
8b
More local growing data for Bellingham: nearby ZIP 98225 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Acme
Birch Bay
Blaine
Custer
Deming
Everson
Ferndale
Geneva
Glacier
Kendall
Lynden
Maple Falls
Marietta-Alderwood
Nooksack
Peaceful Valley
Point Roberts
Sudden Valley
Sumas
Climate data from the nearest NOAA station, Bellingham 3 Ssw, Wa (2.8 mi from Bellingham). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.