Richland, WA Weather & Growing Conditions
Today
53°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny. High near 53, with temperatures falling to around 49 in the afternoon. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 53°F | Patchy Fog then Sunny | 2 mph SE | 1% |
| Tonight | 39°F | Chance Rain Showers | 5 mph S | 39% |
| Thursday | 60°F | Mostly Sunny | 6 mph SW | 13% |
| Thursday Night | 37°F | Partly Cloudy then Patchy Fog | 1 to 5 mph S | 3% |
| Friday | 57°F | Patchy Fog then Mostly Cloudy | 1 to 5 mph S | 3% |
| Friday Night | 39°F | Mostly Cloudy | 5 mph SW | 3% |
| Saturday | 58°F | Mostly Sunny | 5 mph NW | 1% |
| Saturday Night | 40°F | Mostly Cloudy | 5 mph W | 3% |
| Sunday | 61°F | Partly Sunny | 5 to 9 mph SW | 3% |
| Sunday Night | 39°F | Mostly Cloudy | 5 mph W | 1% |
| Monday | 55°F | Partly Sunny | 3 mph NW | 5% |
| Monday Night | 38°F | Slight Chance Rain Showers | 3 mph SW | 15% |
| Tuesday | 59°F | Slight Chance Rain Showers | 5 mph S | 16% |
| Tuesday Night | 41°F | Slight Chance Rain Showers | 5 mph W | 19% |
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 Nov 4, 2026.