Cathcart, WA Weather & Growing Conditions
Overnight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. North northwest wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Cloudy | 1 mph NNW | 0% |
| Saturday | 73°F | Partly Sunny | 2 mph NNW | 0% |
| Saturday Night | 50°F | Mostly Clear | 2 mph NNW | 0% |
| Sunday | 72°F | Partly Sunny | 3 mph NNW | 0% |
| Sunday Night | 49°F | Partly Cloudy | 3 mph N | 0% |
| Monday | 71°F | Mostly Sunny | 3 mph N | 0% |
| Monday Night | 50°F | Partly Cloudy | 3 mph N | 0% |
| Tuesday | 68°F | Partly Sunny | 2 mph N | 0% |
| Tuesday Night | 49°F | Mostly Cloudy | 2 mph NE | 11% |
| Wednesday | 67°F | Partly Sunny then Slight Chance Light Rain | 2 mph SW | 16% |
| Wednesday Night | 49°F | Slight Chance Light Rain then Mostly Cloudy | 2 mph N | 16% |
| Thursday | 64°F | Mostly Cloudy then Slight Chance Light Rain | 3 mph NNW | 19% |
| Thursday Night | 48°F | Slight Chance Light Rain | 3 mph N | 20% |
| Friday | 64°F | Slight Chance Light Rain | 2 mph N | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cathcart, WA
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
8b
Explore more for Cathcart, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Monroe, Wa (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.