Cathcart, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cathcart, a community in Snohomish County, Washington.
Tonight
39°F
Patchy Fog
Patchy fog after 11pm. Mostly clear, with a low around 39. South southeast wind around 2 mph.
7-day forecast for Cathcart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Patchy Fog | 2 mph SSE | 3% |
| Wednesday | 57°F | Patchy Fog then Slight Chance Light Rain | 3 mph SSE | 16% |
| Wednesday Night | 48°F | Light Rain | 3 to 8 mph SSE | 95% |
| Thursday | 56°F | Chance Light Rain then Partly Sunny | 5 mph S | 42% |
| Thursday Night | 46°F | Light Rain | 3 to 7 mph SE | 79% |
| Friday | 55°F | Light Rain | 3 to 8 mph SSE | 79% |
| Friday Night | 47°F | Chance Light Rain | 3 mph SE | 53% |
| Saturday | 61°F | Chance Light Rain | 2 mph SSE | 30% |
| Saturday Night | 49°F | Light Rain | 2 to 12 mph SSE | 76% |
| Sunday | 55°F | Light Rain | 2 to 12 mph S | 76% |
| Sunday Night | 44°F | Chance Light Rain | 3 mph SE | 28% |
| Monday | 55°F | Chance Light Rain | 2 mph SE | 53% |
| Monday Night | 46°F | Light Rain Likely | 2 to 7 mph SE | 71% |
| Tuesday | 57°F | Light Rain Likely | 5 to 8 mph SSE | 71% |
Forecast source: National Weather Service (api.weather.gov) for Cathcart (47.853, -122.106). Updated through the day.
Growing snapshot for Cathcart
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
8b
More local growing data for Cathcart: nearby ZIP 98296 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
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, Monroe, Wa (5 mi from Cathcart). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.