Green Valley, AZ Weather & Growing Conditions
Today
99°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 11am. Sunny. High near 99, with temperatures falling to around 95 in the afternoon. Heat index values as high as 102. West wind 5 to 10 mph. Chance of precipitation is 50%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 45% |
| Tonight | 73°F | Chance Showers And Thunderstorms | 5 to 9 mph S | 52% |
| Wednesday | 97°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 9 mph W | 39% |
| Wednesday Night | 72°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 7 mph WSW | 39% |
| Thursday | 99°F | Chance Showers And Thunderstorms | 1 to 8 mph WNW | 33% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms | 3 to 7 mph WSW | 33% |
| Friday | 100°F | Chance Showers And Thunderstorms | 2 to 7 mph WNW | 43% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 43% |
| Saturday | 100°F | Chance Showers And Thunderstorms | 2 to 6 mph NNW | 39% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 7 mph SSW | 39% |
| Sunday | 98°F | Chance Showers And Thunderstorms | 3 to 8 mph W | 46% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 5 to 8 mph S | 46% |
| Monday | 96°F | Chance Showers And Thunderstorms | 3 to 8 mph W | 49% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 7 mph SSW | 49% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Green Valley, AZ
Last spring frost
Feb 25
First fall frost
Dec 5
Growing season
282 days
Hardiness zone
9a
Explore more for Green Valley, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Santa Rita Exp Range, Az (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.