West Richland, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Richland, a city in Benton County, Washington.
Today
81°F
Sunny
Sunny, with a high near 81. South wind around 3 mph.
7-day forecast for West Richland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 3 mph S | 0% |
| Tonight | 55°F | Mostly Clear | 0 to 3 mph SW | 0% |
| Sunday | 83°F | Sunny | 2 mph N | 0% |
| Sunday Night | 55°F | Clear | 2 mph N | 0% |
| Monday | 85°F | Sunny | 3 mph SW | 0% |
| Monday Night | 56°F | Partly Cloudy | 3 mph SW | 0% |
| Tuesday | 81°F | Sunny | 3 mph SW | 0% |
| Tuesday Night | 54°F | Partly Cloudy | 5 mph SW | 0% |
| Wednesday | 77°F | Mostly Sunny | 5 mph SW | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 3 mph W | 0% |
| Thursday | 74°F | Mostly Sunny | 3 mph NW | 1% |
| Thursday Night | 52°F | Partly Cloudy | 5 mph NW | 5% |
| Friday | 72°F | Mostly Sunny | 7 mph SW | 11% |
| Friday Night | 50°F | Partly Cloudy | 7 mph W | 6% |
Forecast source: National Weather Service (api.weather.gov) for West Richland (46.314, -119.388). Updated through the day.
Growing snapshot for West Richland
Last spring frost
Apr 6
First fall frost
Oct 24
Growing season
200 days
Hardiness zone
7b
More local growing data for West Richland: nearby ZIP 99353 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Richland, Wa (5.9 mi from West Richland). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.