Arlington Heights, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arlington Heights, a community in Snohomish County, Washington.
Overnight
39°F
Mostly Clear
Mostly clear, with a low around 39. East wind around 2 mph.
7-day forecast for Arlington Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Mostly Clear | 2 mph E | 1% |
| Wednesday | 61°F | Partly Sunny then Chance Light Rain | 2 to 9 mph SE | 27% |
| Wednesday Night | 46°F | Light Rain | 6 to 12 mph SSE | 96% |
| Thursday | 56°F | Chance Light Rain then Partly Sunny | 8 mph SSE | 26% |
| Thursday Night | 44°F | Light Rain | 7 to 12 mph ESE | 90% |
| Friday | 56°F | Light Rain | 6 to 13 mph SE | 90% |
| Friday Night | 46°F | Light Rain Likely | 8 mph ESE | 73% |
| Saturday | 64°F | Chance Light Rain | 2 to 6 mph ESE | 34% |
| Saturday Night | 47°F | Light Rain | 3 to 14 mph SSE | 82% |
| Sunday | 55°F | Light Rain | 1 to 12 mph SSE | 75% |
| Sunday Night | 41°F | Chance Light Rain | 1 to 8 mph E | 29% |
| Monday | 55°F | Chance Light Rain | 6 mph E | 43% |
| Monday Night | 45°F | Light Rain Likely | 3 to 12 mph ESE | 62% |
| Tuesday | 57°F | Light Rain Likely | 8 to 12 mph SE | 62% |
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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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 Nov 4, 2026.