Hat Island, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hat Island, a community in Snohomish County, Washington.
Overnight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. East northeast wind around 3 mph.
7-day forecast for Hat Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Cloudy | 3 mph ENE | 0% |
| Saturday | 65°F | Partly Sunny | 1 to 7 mph NNE | 0% |
| Saturday Night | 54°F | Partly Cloudy | 2 to 7 mph NNW | 0% |
| Sunday | 64°F | Partly Sunny | 2 to 9 mph NNW | 0% |
| Sunday Night | 54°F | Partly Cloudy | 2 to 9 mph NNW | 0% |
| Monday | 65°F | Mostly Sunny | 2 to 9 mph NW | 0% |
| Monday Night | 55°F | Mostly Cloudy | 2 to 9 mph NNW | 1% |
| Tuesday | 63°F | Partly Sunny | 1 to 6 mph NW | 1% |
| Tuesday Night | 53°F | Mostly Cloudy | 2 to 6 mph NNE | 12% |
| Wednesday | 65°F | Partly Sunny | 2 to 6 mph S | 14% |
| Wednesday Night | 54°F | Mostly Cloudy | 2 to 6 mph NNW | 14% |
| Thursday | 63°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 10 mph NW | 17% |
| Thursday Night | 52°F | Slight Chance Light Rain | 3 to 10 mph NW | 18% |
| Friday | 62°F | Slight Chance Light Rain then Partly Sunny | 3 to 8 mph NW | 15% |
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 Sep 19, 2026.