West Richland, WA Weather & Growing Conditions
Tonight
54°F
Mostly Clear
Mostly clear. Low around 54, with temperatures rising to around 56 overnight. West wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Clear | 3 mph W | 0% |
| Saturday | 82°F | Sunny | 5 mph SW | 0% |
| Saturday Night | 54°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 83°F | Sunny | 1 to 5 mph N | 0% |
| Sunday Night | 55°F | Clear | 0 to 5 mph N | 0% |
| Monday | 85°F | Sunny | 5 mph SW | 0% |
| Monday Night | 56°F | Partly Cloudy | 5 mph SW | 0% |
| Tuesday | 81°F | Mostly Sunny | 5 mph SW | 0% |
| Tuesday Night | 54°F | Partly Cloudy | 5 mph SW | 0% |
| Wednesday | 76°F | Mostly Sunny | 6 mph SW | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 2 to 6 mph W | 0% |
| Thursday | 74°F | Mostly Sunny | 5 mph NW | 1% |
| Thursday Night | 52°F | Partly Cloudy | 6 mph NW | 7% |
| Friday | 71°F | Mostly Sunny | 8 mph W | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for West Richland, WA
Last spring frost
Apr 6
First fall frost
Oct 24
Growing season
200 days
Hardiness zone
7b
Explore more for West Richland, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Richland, Wa (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.