Lynnwood, WA Weather & Growing Conditions
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. North northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 1 mph NNE | 0% |
| Saturday | 70°F | Partly Sunny | 3 mph NW | 0% |
| Saturday Night | 51°F | Mostly Clear | 3 mph N | 0% |
| Sunday | 68°F | Partly Sunny | 2 to 6 mph NNW | 0% |
| Sunday Night | 51°F | Partly Cloudy | 5 mph N | 0% |
| Monday | 69°F | Mostly Sunny | 5 mph NNW | 0% |
| Monday Night | 52°F | Partly Cloudy | 5 mph N | 1% |
| Tuesday | 66°F | Partly Sunny | 3 mph N | 1% |
| Tuesday Night | 51°F | Mostly Cloudy | 3 mph NE | 11% |
| Wednesday | 66°F | Partly Sunny then Slight Chance Light Rain | 3 mph S | 16% |
| Wednesday Night | 51°F | Slight Chance Light Rain then Mostly Cloudy | 3 mph N | 16% |
| Thursday | 63°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 6 mph NNW | 18% |
| Thursday Night | 50°F | Slight Chance Light Rain | 6 mph N | 19% |
| Friday | 62°F | Slight Chance Light Rain then Partly Sunny | 6 mph NNW | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lynnwood, WA
Last spring frost
Mar 9
First fall frost
Nov 17
Growing season
250 days
Hardiness zone
9a
Explore more for Lynnwood, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Everett Snohomish Ap, Wa (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.