Green Valley, CA Weather & Growing Conditions
This Afternoon
68°F
Sunny
Sunny, with a high near 68. West wind around 15 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Sunny | 15 mph W | 0% |
| Tonight | 49°F | Clear | 10 to 15 mph WNW | 0% |
| Wednesday | 68°F | Sunny | 10 to 15 mph N | 0% |
| Wednesday Night | 49°F | Mostly Clear | 15 mph NNE | 0% |
| Thursday | 70°F | Sunny | 10 to 20 mph NNE | 0% |
| Thursday Night | 52°F | Mostly Clear | 10 to 20 mph NNE | 0% |
| Friday | 73°F | Sunny | 15 to 20 mph NE | 0% |
| Friday Night | 55°F | Clear | 15 to 20 mph NNE | 0% |
| Saturday | 75°F | Sunny | 15 to 20 mph NE | 0% |
| Saturday Night | 55°F | Clear | 10 to 15 mph NNE | 0% |
| Sunday | 75°F | Sunny | 5 to 15 mph NE | 0% |
| Sunday Night | 56°F | Partly Cloudy | 5 to 15 mph NNE | 0% |
| Monday | 75°F | Mostly Sunny | 5 to 10 mph ESE | 0% |
| Monday Night | 55°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Green Valley, CA
Last spring frost
Apr 6
First fall frost
Nov 29
Growing season
236 days
Hardiness zone
9b
Explore more for Green Valley, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Fairmont, Ca (9.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.