Lynnwood, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lynnwood, a city in Snohomish County, Washington.
Overnight
55°F
Clear
Clear, with a low around 55. North wind around 5 mph.
7-day forecast for Lynnwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Clear | 5 mph N | 0% |
| Tuesday | 82°F | Sunny then Areas Of Smoke | 5 to 9 mph NNW | 0% |
| Tuesday Night | 57°F | Patchy Smoke then Clear | 3 to 7 mph NNW | 0% |
| Wednesday | 86°F | Sunny then Patchy Smoke | 3 to 7 mph NNW | 0% |
| Wednesday Night | 59°F | Clear | 2 to 7 mph N | 0% |
| Thursday | 88°F | Sunny | 2 to 6 mph N | 0% |
| Thursday Night | 60°F | Mostly Clear | 2 to 6 mph NNE | 0% |
| Friday | 85°F | Sunny | 2 to 6 mph SW | 0% |
| Friday Night | 59°F | Mostly Clear | 2 to 7 mph N | 0% |
| Saturday | 80°F | Sunny | 2 to 8 mph N | 0% |
| Saturday Night | 56°F | Mostly Clear | 2 to 8 mph NNE | 1% |
| Sunday | 77°F | Mostly Sunny | 2 to 6 mph W | 0% |
| Sunday Night | 56°F | Mostly Clear | 2 to 6 mph N | 1% |
| Monday | 77°F | Mostly Sunny | 2 to 6 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lynnwood (47.829, -122.301). Updated through the day.
Growing snapshot for Lynnwood
Last spring frost
Mar 9
First fall frost
Nov 17
Growing season
250 days
Hardiness zone
9a
More local growing data for Lynnwood: nearby ZIP 98037 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Alderwood Manor
Arlington
Arlington Heights
Bothell East
Bothell West
Brier
Bunk Foss
Canyon Creek
Cathcart
Cavalero
Chain Lake
Clearview
Darrington
Eastmont
Edmonds
Esperance
Everett
Fobes Hill
Gold Bar
Granite Falls
Hat Island
Kayak Point
Lake Bosworth
Lake Cassidy
Lake Cavanaugh
Lake Goodwin
Lake Roesiger
Lake Stevens
Lake Stickney
Larch Way
Climate data from the nearest NOAA station, Everett Snohomish Ap, Wa (4.8 mi from Lynnwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.