Green Valley, CA Weather & Growing Conditions
Today
87°F
Sunny
Sunny, with a high near 87. East wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 5 to 10 mph E | 0% |
| Tonight | 58°F | Partly Cloudy | 5 mph NW | 0% |
| Sunday | 83°F | Partly Sunny | 5 to 10 mph SSW | 0% |
| Sunday Night | 56°F | Partly Cloudy | 5 mph SW | 1% |
| Monday | 76°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 53°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Tuesday | 83°F | Sunny | 0 to 5 mph SW | 0% |
| Tuesday Night | 59°F | Clear | 0 to 5 mph NW | 0% |
| Wednesday | 89°F | Sunny | 5 to 10 mph ENE | 0% |
| Wednesday Night | 61°F | Clear | 0 to 10 mph NW | 0% |
| Thursday | 89°F | Sunny | 5 to 10 mph E | 1% |
| Thursday Night | 61°F | Mostly Clear | 0 to 10 mph WSW | 2% |
| Friday | 86°F | Sunny | 0 to 15 mph WSW | 2% |
| Friday Night | 60°F | Mostly Clear | 5 to 15 mph WSW | 1% |
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 Sep 19, 2026.