Green Valley, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Green Valley, a community in Pima County, Arizona.
Today
101°F
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Sunny. High near 101, with temperatures falling to around 97 in the afternoon. Heat index values as high as 104. West northwest wind 3 to 9 mph. Chance of precipitation is 40%.
7-day forecast for Green Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 101°F | Sunny then Chance Showers And Thunderstorms | 3 to 9 mph WNW | 43% |
| Tonight | 73°F | Chance Showers And Thunderstorms | 9 mph SSW | 49% |
| Wednesday | 99°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph W | 39% |
| Wednesday Night | 72°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 7 mph WSW | 39% |
| Thursday | 101°F | Chance Showers And Thunderstorms | 2 to 8 mph WNW | 32% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 32% |
| Friday | 102°F | Chance Showers And Thunderstorms | 3 to 7 mph WNW | 40% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 7 mph S | 40% |
| Saturday | 102°F | Chance Showers And Thunderstorms | 6 mph NNW | 40% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 7 mph SW | 40% |
| Sunday | 100°F | Chance Showers And Thunderstorms | 3 to 8 mph W | 45% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 8 mph SSW | 45% |
| Monday | 98°F | Chance Showers And Thunderstorms | 3 to 8 mph W | 50% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 8 mph SW | 50% |
Forecast source: National Weather Service (api.weather.gov) for Green Valley (31.841, -111.004). Updated through the day.
Growing snapshot for Green Valley
Last spring frost
Feb 25
First fall frost
Dec 5
Growing season
282 days
Hardiness zone
9a
More local growing data for Green Valley: nearby ZIP 85614 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Santa Rita Exp Range, Az (6 mi from Green Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.