Lynnwood, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lynnwood, a city in Snohomish County, Washington.
Today
54°F
Mostly Cloudy
Mostly cloudy. High near 54, with temperatures falling to around 50 in the afternoon. North northwest wind around 3 mph.
7-day forecast for Lynnwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 54°F | Mostly Cloudy | 3 mph NNW | 4% |
| Tonight | 40°F | Patchy Fog | 2 mph ESE | 3% |
| Wednesday | 56°F | Mostly Sunny then Slight Chance Light Rain | 6 mph SSE | 20% |
| Wednesday Night | 48°F | Light Rain | 8 mph SSE | 87% |
| Thursday | 56°F | Slight Chance Light Rain then Partly Sunny | 7 mph S | 22% |
| Thursday Night | 47°F | Light Rain | 6 to 9 mph SSE | 76% |
| Friday | 55°F | Light Rain | 6 to 10 mph SSE | 76% |
| Friday Night | 48°F | Chance Light Rain | 2 to 6 mph SSE | 50% |
| Saturday | 59°F | Chance Light Rain | 5 mph SSE | 33% |
| Saturday Night | 50°F | Light Rain Likely | 5 to 15 mph S | 73% |
| Sunday | 55°F | Light Rain Likely | 3 to 15 mph S | 71% |
| Sunday Night | 45°F | Slight Chance Light Rain | 3 mph SE | 20% |
| Monday | 54°F | Chance Light Rain | 6 mph SE | 54% |
| Monday Night | 47°F | Light Rain Likely | 5 to 10 mph SSE | 72% |
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 Nov 3, 2026.