Lake Cavanaugh, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Cavanaugh, a community in Snohomish County, Washington.
Overnight
39°F
Mostly Clear
Mostly clear, with a low around 39. East wind around 5 mph.
7-day forecast for Lake Cavanaugh
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Mostly Clear | 5 mph E | 2% |
| Wednesday | 55°F | Mostly Sunny then Slight Chance Light Rain | 3 to 10 mph SSE | 24% |
| Wednesday Night | 43°F | Light Rain | 6 to 15 mph S | 98% |
| Thursday | 50°F | Chance Light Rain then Partly Sunny | 7 mph S | 27% |
| Thursday Night | 42°F | Light Rain | 7 to 15 mph SE | 92% |
| Friday | 49°F | Light Rain | 5 to 14 mph ESE | 92% |
| Friday Night | 44°F | Light Rain | 5 to 9 mph ESE | 76% |
| Saturday | 57°F | Chance Light Rain | 3 to 9 mph ESE | 39% |
| Saturday Night | 44°F | Rain | 5 to 14 mph SE | 84% |
| Sunday | 49°F | Light Rain | 1 to 12 mph SSE | 84% |
| Sunday Night | 40°F | Chance Light Rain | 1 to 8 mph E | 29% |
| Monday | 50°F | Chance Light Rain | 3 to 7 mph E | 46% |
| Monday Night | 43°F | Light Rain Likely | 3 to 12 mph ESE | 65% |
| Tuesday | 52°F | Light Rain Likely | 10 mph ESE | 65% |
Forecast source: National Weather Service (api.weather.gov) for Lake Cavanaugh (48.317, -122.011). Updated through the day.
Growing snapshot for Lake Cavanaugh
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
8b
More local growing data for Lake Cavanaugh: nearby ZIP 98223 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 Goodwin
Lake Roesiger
Lake Stevens
Lake Stickney
Larch Way
Lochsloy
Climate data from the nearest NOAA station, Arlington, Wa (8.1 mi from Lake Cavanaugh). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.