Sedro-Woolley, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sedro-Woolley, a city in Skagit County, Washington.
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. Wind around 0 mph.
7-day forecast for Sedro-Woolley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 0 mph | 0% |
| Saturday | 73°F | Partly Sunny | 2 mph WNW | 0% |
| Saturday Night | 51°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 74°F | Mostly Sunny | 2 mph WNW | 0% |
| Sunday Night | 51°F | Partly Cloudy | 2 mph NW | 0% |
| Monday | 72°F | Mostly Sunny | 0 to 3 mph WSW | 0% |
| Monday Night | 50°F | Partly Cloudy | 2 mph NW | 0% |
| Tuesday | 69°F | Partly Sunny | 0 to 3 mph W | 0% |
| Tuesday Night | 48°F | Mostly Cloudy | 2 mph N | 11% |
| Wednesday | 68°F | Partly Sunny then Slight Chance Light Rain | 2 mph NW | 19% |
| Wednesday Night | 49°F | Slight Chance Light Rain then Mostly Cloudy | 1 mph NW | 19% |
| Thursday | 67°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 3 mph NW | 15% |
| Thursday Night | 48°F | Chance Light Rain | 0 to 3 mph NW | 25% |
| Friday | 66°F | Chance Light Rain | 2 mph W | 25% |
Forecast source: National Weather Service (api.weather.gov) for Sedro-Woolley (48.511, -122.232). Updated through the day.
Growing snapshot for Sedro-Woolley
Last spring frost
Mar 27
First fall frost
Nov 6
Growing season
224 days
Hardiness zone
8b
More local growing data for Sedro-Woolley: nearby ZIP 98235 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Alger
Anacortes
Bay View
Big Lake
Bow
Bryant
Burlington
Clear Lake
Concrete
Conway
Edison
Hamilton
La Conner
Lake Ketchum
Lake McMurray
Lyman
Marblemount
Mount Vernon
Rockport
Climate data from the nearest NOAA station, Sedro-Woolley, Wa (2.3 mi from Sedro-Woolley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.