Ritzville, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ritzville, a city in Adams County, Washington.
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. Northeast wind around 3 mph.
7-day forecast for Ritzville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 3 mph NE | 0% |
| Sunday | 85°F | Sunny | 1 to 6 mph SE | 0% |
| Sunday Night | 54°F | Mostly Clear | 1 to 5 mph E | 0% |
| Monday | 86°F | Sunny | 6 mph SE | 0% |
| Monday Night | 55°F | Partly Cloudy | 5 mph S | 0% |
| Tuesday | 81°F | Mostly Sunny | 3 to 8 mph S | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 5 to 8 mph SW | 0% |
| Wednesday | 75°F | Mostly Sunny | 6 to 9 mph SW | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 3 to 8 mph SW | 1% |
| Thursday | 73°F | Mostly Sunny | 5 mph SE | 5% |
| Thursday Night | 49°F | Mostly Cloudy | 5 mph N | 7% |
| Friday | 70°F | Partly Sunny | 3 to 7 mph W | 9% |
| Friday Night | 46°F | Mostly Cloudy | 7 mph SW | 11% |
| Saturday | 69°F | Mostly Sunny | 7 mph SW | 7% |
Forecast source: National Weather Service (api.weather.gov) for Ritzville (47.123, -118.375). Updated through the day.
Growing snapshot for Ritzville
Last spring frost
May 7
First fall frost
Oct 10
Growing season
153 days
Hardiness zone
6b
More local growing data for Ritzville: nearby ZIP 99169 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ritzville 1 Sse, Wa (0.4 mi from Ritzville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.