Wilton, CA Weather & Growing Conditions
Today
67°F
Sunny
Sunny. High near 67, with temperatures falling to around 64 in the afternoon. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Sunny | 5 to 10 mph NW | 1% |
| Tonight | 44°F | Patchy Fog | 0 to 3 mph NNE | 1% |
| Thursday | 69°F | Mostly Sunny | 2 to 6 mph NW | 0% |
| Thursday Night | 42°F | Clear | 3 mph ENE | 0% |
| Friday | 69°F | Sunny | 0 to 3 mph N | 0% |
| Friday Night | 44°F | Mostly Clear | 0 to 3 mph E | 0% |
| Saturday | 73°F | Sunny | 2 mph NW | 0% |
| Saturday Night | 45°F | Mostly Clear | 1 mph ENE | 0% |
| Sunday | 72°F | Sunny | 1 to 5 mph NNW | 0% |
| Sunday Night | 46°F | Partly Cloudy | 2 mph NE | 0% |
| Monday | 71°F | Mostly Sunny | 3 mph SW | 1% |
| Monday Night | 46°F | Partly Cloudy | 3 mph S | 1% |
| Tuesday | 70°F | Sunny | 3 mph NW | 6% |
| Tuesday Night | 46°F | Mostly Clear | 3 mph SE | 10% |
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 Nov 4, 2026.