Mukilteo, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mukilteo, a city in Snohomish County, Washington.
Tonight
42°F
Mostly Clear
Mostly clear, with a low around 42. East southeast wind 0 to 5 mph.
7-day forecast for Mukilteo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Mostly Clear | 0 to 5 mph ESE | 3% |
| Wednesday | 57°F | Mostly Sunny then Slight Chance Light Rain | 7 mph SSE | 23% |
| Wednesday Night | 50°F | Light Rain | 7 to 13 mph SSE | 87% |
| Thursday | 57°F | Chance Light Rain then Partly Sunny | 8 mph S | 25% |
| Thursday Night | 50°F | Light Rain | 6 to 14 mph SSE | 76% |
| Friday | 56°F | Light Rain | 6 to 14 mph SSE | 76% |
| Friday Night | 50°F | Chance Light Rain | 6 mph SSE | 46% |
| Saturday | 61°F | Chance Light Rain | 6 mph SSE | 35% |
| Saturday Night | 52°F | Light Rain Likely | 6 to 20 mph S | 74% |
| Sunday | 57°F | Light Rain Likely | 3 to 17 mph S | 71% |
| Sunday Night | 47°F | Slight Chance Light Rain | 6 mph SSE | 22% |
| Monday | 56°F | Chance Light Rain | 7 mph SE | 54% |
| Monday Night | 50°F | Light Rain Likely | 6 to 15 mph SSE | 72% |
| Tuesday | 58°F | Light Rain Likely | 8 to 15 mph SSE | 72% |
Forecast source: National Weather Service (api.weather.gov) for Mukilteo (47.913, -122.302). Updated through the day.
Growing snapshot for Mukilteo
Last spring frost
Mar 9
First fall frost
Nov 17
Growing season
250 days
Hardiness zone
8b
More local growing data for Mukilteo: nearby ZIP 98275 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 (1.4 mi from Mukilteo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.