Wilton, CA Weather & Growing Conditions
This Afternoon
89°F
Sunny
Sunny, with a high near 89. West southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Sunny | 5 mph WSW | 0% |
| Tonight | 55°F | Mostly Clear | 5 mph SSW | 0% |
| Sunday | 84°F | Mostly Sunny | 2 to 7 mph SSW | 0% |
| Sunday Night | 55°F | Mostly Cloudy | 3 to 7 mph SW | 0% |
| Monday | 85°F | Mostly Sunny | 3 to 8 mph SW | 0% |
| Monday Night | 55°F | Mostly Clear | 3 to 8 mph SW | 0% |
| Tuesday | 86°F | Sunny | 5 mph SW | 0% |
| Tuesday Night | 56°F | Mostly Clear | 5 mph SW | 0% |
| Wednesday | 90°F | Sunny | 1 to 5 mph W | 0% |
| Wednesday Night | 59°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Thursday | 95°F | Sunny | 1 to 5 mph WSW | 0% |
| Thursday Night | 60°F | Mostly Clear | 5 mph SSW | 0% |
| Friday | 90°F | Sunny | 2 to 8 mph SSW | 0% |
| Friday Night | 58°F | Mostly Clear | 3 to 8 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wilton, CA
Last spring frost
Jan 12
First fall frost
Dec 16
Growing season
341 days
Hardiness zone
9b
Explore more for Wilton, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Sacramento 5 Ese, Ca (15.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.