West Richland, WA Weather & Growing Conditions
Overnight
33°F
Patchy Fog
Patchy fog after 4am. Mostly clear, with a low around 33. West wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 33°F | Patchy Fog | 2 mph W | 1% |
| Wednesday | 53°F | Patchy Fog then Sunny | 1 to 5 mph E | 2% |
| Wednesday Night | 34°F | Chance Rain Showers | 3 mph W | 32% |
| Thursday | 60°F | Patchy Fog then Sunny | 5 mph SW | 5% |
| Thursday Night | 34°F | Partly Cloudy | 3 mph SW | 3% |
| Friday | 57°F | Mostly Cloudy | 3 mph S | 4% |
| Friday Night | 36°F | Mostly Cloudy | 3 mph W | 4% |
| Saturday | 58°F | Mostly Sunny | 5 mph N | 1% |
| Saturday Night | 38°F | Mostly Cloudy | 5 mph W | 3% |
| Sunday | 62°F | Partly Sunny | 3 to 9 mph SW | 3% |
| Sunday Night | 36°F | Mostly Cloudy | 5 mph W | 1% |
| Monday | 56°F | Partly Sunny | 3 mph NW | 6% |
| Monday Night | 36°F | Slight Chance Rain Showers | 2 mph W | 15% |
| Tuesday | 59°F | Slight Chance Rain Showers | 3 mph S | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for West Richland, WA
Last spring frost
Mar 24
First fall frost
Nov 4
Growing season
222 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, Priest Rapids Dam, Wa (14.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.