Arlington Heights, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arlington Heights, a community in Snohomish County, Washington.
Today
88°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 88. West wind 1 to 7 mph.
7-day forecast for Arlington Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Areas Of Smoke | 1 to 7 mph W | 0% |
| Tonight | 57°F | Patchy Smoke | 2 to 6 mph SSW | 0% |
| Wednesday | 91°F | Areas Of Smoke | 1 to 6 mph W | 0% |
| Wednesday Night | 59°F | Clear | 2 to 6 mph N | 0% |
| Thursday | 92°F | Sunny | 1 to 6 mph W | 0% |
| Thursday Night | 59°F | Mostly Clear | 0 to 6 mph NW | 0% |
| Friday | 87°F | Sunny | 0 to 6 mph SW | 0% |
| Friday Night | 57°F | Mostly Clear | 1 to 6 mph NNW | 0% |
| Saturday | 81°F | Sunny | 0 to 7 mph NW | 0% |
| Saturday Night | 54°F | Mostly Clear | 1 to 7 mph NNW | 0% |
| Sunday | 79°F | Mostly Sunny | 0 to 6 mph WSW | 0% |
| Sunday Night | 53°F | Mostly Clear | 1 to 6 mph N | 2% |
| Monday | 78°F | Mostly Sunny | 0 to 6 mph WSW | 2% |
| Monday Night | 53°F | Partly Cloudy | 1 to 6 mph N | 1% |
Forecast source: National Weather Service (api.weather.gov) for Arlington Heights (48.212, -122.063). Updated through the day.
Growing snapshot for Arlington Heights
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
8b
More local growing data for Arlington Heights: nearby ZIP 98223 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Alderwood Manor
Arlington
Bothell East
Bothell West
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Canyon Creek
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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
Lochsloy
Climate data from the nearest NOAA station, Arlington, Wa (8.1 mi from Arlington Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.