Ione, CA Weather & Growing Conditions
Overnight
70°F
Clear
Clear, with a low around 70. East southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Clear | 2 mph ESE | 0% |
| Tuesday | 102°F | Sunny | 2 to 7 mph WNW | 0% |
| Tuesday Night | 66°F | Clear | 2 to 7 mph ENE | 0% |
| Wednesday | 100°F | Sunny | 2 to 7 mph WNW | 0% |
| Wednesday Night | 64°F | Clear | 2 to 7 mph NNW | 0% |
| Thursday | 100°F | Sunny | 2 to 8 mph WNW | 0% |
| Thursday Night | 66°F | Clear | 2 to 8 mph N | 0% |
| Friday | 101°F | Sunny | 2 to 7 mph WNW | 0% |
| Friday Night | 68°F | Clear | 2 to 7 mph N | 0% |
| Saturday | 102°F | Sunny | 2 to 7 mph NW | 0% |
| Saturday Night | 69°F | Mostly Clear | 2 to 7 mph NNE | 0% |
| Sunday | 100°F | Sunny | 2 to 7 mph NW | 0% |
| Sunday Night | 65°F | Clear | 3 to 7 mph N | 0% |
| Monday | 95°F | Sunny | 3 to 8 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ione, CA
Last spring frost
Mar 4
First fall frost
Dec 11
Growing season
285 days
Hardiness zone
9b
Explore more for Ione, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Sutter Hill Cdf, Ca (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.