Hat Island, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hat Island, a community in Snohomish County, Washington.
Tonight
43°F
Mostly Clear
Mostly clear, with a low around 43. East wind around 5 mph.
7-day forecast for Hat Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Mostly Clear | 5 mph E | 1% |
| Wednesday | 56°F | Partly Sunny then Chance Light Rain | 6 to 23 mph SE | 42% |
| Wednesday Night | 49°F | Light Rain | 7 to 24 mph SSW | 82% |
| Thursday | 55°F | Partly Sunny | 7 to 16 mph S | 11% |
| Thursday Night | 49°F | Light Rain | 16 to 22 mph SE | 83% |
| Friday | 54°F | Light Rain | 17 to 24 mph SSE | 83% |
| Friday Night | 51°F | Light Rain Likely | 7 to 17 mph SSE | 70% |
| Saturday | 58°F | Chance Light Rain | 7 to 12 mph SE | 28% |
| Saturday Night | 52°F | Light Rain | 12 to 25 mph SSE | 81% |
| Sunday | 55°F | Light Rain Likely | 3 to 18 mph S | 56% |
| Sunday Night | 46°F | Slight Chance Light Rain | 3 to 7 mph SE | 21% |
| Monday | 54°F | Chance Light Rain | 3 to 10 mph SE | 42% |
| Monday Night | 49°F | Light Rain Likely | 10 to 21 mph SE | 59% |
| Tuesday | 56°F | Light Rain Likely | 16 to 22 mph SSE | 59% |
Forecast source: National Weather Service (api.weather.gov) for Hat Island (48.013, -122.321). Updated through the day.
Growing snapshot for Hat Island
Last spring frost
Mar 24
First fall frost
Nov 2
Growing season
223 days
Hardiness zone
8b
More local growing data for Hat Island: nearby ZIP 98207 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
Kayak Point
Lake Bosworth
Lake Cassidy
Lake Cavanaugh
Lake Goodwin
Lake Roesiger
Lake Stevens
Lake Stickney
Larch Way
Lochsloy
Climate data from the nearest NOAA station, Everett, Wa (1.6 mi from Hat Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.