Sultan, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sultan, a city in Snohomish County, Washington.
Tonight
53°F
Mostly Clear
Mostly clear, with a low around 53. Northwest wind around 1 mph.
7-day forecast for Sultan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 76°F | Sunny | 0 mph | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 mph | 0% |
| Monday | 73°F | Partly Sunny | 0 mph | 0% |
| Monday Night | 51°F | Partly Cloudy | 1 mph NNE | 2% |
| Tuesday | 69°F | Partly Sunny | 0 mph | 1% |
| Tuesday Night | 50°F | Mostly Cloudy | 0 mph | 7% |
| Wednesday | 66°F | Slight Chance Light Rain | 1 mph SE | 15% |
| Wednesday Night | 48°F | Mostly Cloudy | 0 mph | 7% |
| Thursday | 65°F | Mostly Cloudy then Slight Chance Light Rain | 0 mph | 22% |
| Thursday Night | 50°F | Chance Light Rain | 0 mph | 47% |
| Friday | 62°F | Light Rain Likely | 0 mph | 55% |
| Friday Night | 46°F | Chance Light Rain | 1 mph ENE | 46% |
| Saturday | 64°F | Slight Chance Light Rain | 1 mph ENE | 17% |
Forecast source: National Weather Service (api.weather.gov) for Sultan (47.871, -121.804). Updated through the day.
Growing snapshot for Sultan
Last spring frost
Apr 15
First fall frost
Oct 25
Growing season
192 days
Hardiness zone
8b
More local growing data for Sultan: nearby ZIP 98294 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, Startup 1 E, Wa (3 mi from Sultan). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.