Richland, WA Weather & Growing Conditions
Tonight
55°F
Mostly Clear
Mostly clear, with a low around 55. South wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Mostly Clear | 2 mph S | 0% |
| Saturday | 82°F | Sunny | 3 mph SE | 0% |
| Saturday Night | 56°F | Mostly Clear | 0 to 3 mph S | 0% |
| Sunday | 84°F | Sunny | 0 to 3 mph N | 0% |
| Sunday Night | 58°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Monday | 86°F | Sunny | 3 mph SW | 0% |
| Monday Night | 57°F | Partly Cloudy | 3 mph SW | 0% |
| Tuesday | 81°F | Mostly Sunny | 3 mph SW | 0% |
| Tuesday Night | 54°F | Partly Cloudy | 3 mph SW | 0% |
| Wednesday | 77°F | Sunny | 3 mph SW | 0% |
| Wednesday Night | 55°F | Partly Cloudy | 3 mph NW | 0% |
| Thursday | 79°F | Mostly Sunny | 1 to 5 mph NW | 2% |
| Thursday Night | 56°F | Partly Cloudy | 5 mph W | 6% |
| Friday | 76°F | Mostly Sunny | 2 to 7 mph SW | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Richland, WA
Last spring frost
Apr 6
First fall frost
Oct 24
Growing season
200 days
Hardiness zone
7b
Explore more for Richland, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Richland, Wa (2.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.