Ritzville, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ritzville, a city in Adams County, Washington.
Overnight
31°F
Partly Cloudy
Partly cloudy, with a low around 31. Southeast wind around 1 mph.
7-day forecast for Ritzville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 31°F | Partly Cloudy | 1 mph SE | 1% |
| Wednesday | 52°F | Sunny | 3 mph S | 2% |
| Wednesday Night | 36°F | Chance Rain Showers | 5 mph S | 34% |
| Thursday | 54°F | Chance Rain Showers then Partly Sunny | 5 to 8 mph SW | 34% |
| Thursday Night | 37°F | Partly Cloudy | 6 mph SE | 2% |
| Friday | 55°F | Mostly Cloudy | 8 mph SE | 3% |
| Friday Night | 38°F | Mostly Cloudy | 3 to 7 mph SE | 7% |
| Saturday | 62°F | Partly Sunny | 7 mph E | 2% |
| Saturday Night | 40°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 8 mph SE | 15% |
| Sunday | 57°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 12 mph SW | 15% |
| Sunday Night | 37°F | Mostly Cloudy | 7 mph S | 2% |
| Monday | 57°F | Partly Sunny | 7 mph E | 8% |
| Monday Night | 37°F | Chance Rain Showers | 5 mph E | 25% |
| Tuesday | 58°F | Chance Rain Showers | 7 mph S | 25% |
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 Nov 4, 2026.