West Richland, WA Weather & Growing Conditions
Overnight
54°F
Smoke
Smoke. Clear. Low around 54, with temperatures rising to around 58 overnight. Northwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Smoke | 6 mph NW | 0% |
| Tuesday | 90°F | Smoke | 3 to 12 mph N | 0% |
| Tuesday Night | 58°F | Areas Of Smoke | 2 to 7 mph NW | 0% |
| Wednesday | 95°F | Areas Of Smoke | 2 to 6 mph NE | 0% |
| Wednesday Night | 61°F | Patchy Smoke then Clear | 3 mph S | 0% |
| Thursday | 101°F | Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 65°F | Clear | 7 mph SW | 0% |
| Friday | 100°F | Sunny | 8 mph SW | 0% |
| Friday Night | 64°F | Clear | 6 to 10 mph W | 0% |
| Saturday | 95°F | Sunny | 5 to 8 mph SW | 0% |
| Saturday Night | 62°F | Mostly Clear | 7 to 12 mph W | 0% |
| Sunday | 91°F | Sunny | 7 mph SW | 0% |
| Sunday Night | 59°F | Mostly Clear | 8 mph W | 0% |
| Monday | 90°F | Sunny | 6 mph SW | 0% |
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 Aug 4, 2026.