Cascade Valley, WA Weather & Growing Conditions
This Afternoon
79°F
Sunny
Sunny. High near 79, with temperatures falling to around 77 in the afternoon. Southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 3 mph SW | 0% |
| Tonight | 52°F | Mostly Clear | 3 mph SE | 0% |
| Saturday | 79°F | Sunny | 1 to 5 mph SE | 0% |
| Saturday Night | 52°F | Partly Cloudy | 0 to 3 mph E | 0% |
| Sunday | 82°F | Sunny | 3 mph E | 0% |
| Sunday Night | 53°F | Mostly Clear | 3 mph NW | 0% |
| Monday | 82°F | Sunny | 1 to 6 mph W | 0% |
| Monday Night | 53°F | Partly Cloudy | 2 to 6 mph W | 0% |
| Tuesday | 77°F | Mostly Sunny | 2 to 6 mph W | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 2 to 6 mph W | 0% |
| Wednesday | 74°F | Mostly Sunny | 5 mph SW | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 76°F | Mostly Sunny | 5 mph W | 2% |
| Thursday Night | 52°F | Partly Cloudy | 5 mph W | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cascade Valley, WA
Last spring frost
Apr 27
First fall frost
Oct 8
Growing season
165 days
Hardiness zone
7a
Explore more for Cascade Valley, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Moses Lake Grant Co Ap, Wa (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.