Ione, WA Weather & Growing Conditions
Today
63°F
Sunny
Sunny, with a high near 63. Northwest wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Sunny | 2 to 7 mph NW | 0% |
| Tonight | 49°F | Mostly Clear | 2 to 7 mph NW | 0% |
| Wednesday | 69°F | Areas Of Smoke | 3 to 7 mph W | 0% |
| Wednesday Night | 54°F | Smoke then Mostly Clear | 7 mph SE | 0% |
| Thursday | 72°F | Sunny | 5 to 9 mph S | 0% |
| Thursday Night | 57°F | Mostly Clear | 6 to 9 mph SE | 0% |
| Friday | 72°F | Sunny | 6 to 10 mph S | 0% |
| Friday Night | 56°F | Mostly Clear | 2 to 10 mph SW | 0% |
| Saturday | 69°F | Sunny | 2 to 10 mph S | 0% |
| Saturday Night | 55°F | Partly Cloudy | 3 to 10 mph SE | 0% |
| Sunday | 66°F | Mostly Sunny | 3 to 9 mph S | 1% |
| Sunday Night | 52°F | Partly Cloudy | 5 to 9 mph NW | 1% |
| Monday | 65°F | Sunny | 3 to 8 mph S | 2% |
| Monday Night | 52°F | Mostly Clear | 5 to 8 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ione, WA
Last spring frost
May 4
First fall frost
Oct 4
Growing season
153 days
Hardiness zone
6a
Explore more for Ione, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Boundary Dam, Wa (19.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.