Sun Valley, AZ Weather & Growing Conditions
Today
98°F
Sunny
Sunny. High near 98, with temperatures falling to around 96 in the afternoon. West wind 7 to 14 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 7 to 14 mph W | 4% |
| Tonight | 67°F | Mostly Clear | 7 to 12 mph SW | 4% |
| Wednesday | 97°F | Sunny | 6 to 12 mph W | 2% |
| Wednesday Night | 66°F | Partly Cloudy | 6 to 14 mph SW | 2% |
| Thursday | 97°F | Sunny | 3 to 7 mph W | 9% |
| Thursday Night | 66°F | Partly Cloudy | 6 to 15 mph SW | 9% |
| Friday | 99°F | Sunny | 6 mph W | 4% |
| Friday Night | 66°F | Mostly Clear | 8 to 16 mph S | 4% |
| Saturday | 97°F | Sunny | 3 to 7 mph SW | 4% |
| Saturday Night | 67°F | Partly Cloudy | 7 to 17 mph S | 4% |
| Sunday | 96°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 21% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 15 mph SW | 21% |
| Monday | 94°F | Chance Showers And Thunderstorms | 5 to 15 mph SW | 37% |
| Monday Night | 64°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 15 mph SW | 37% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sun Valley, AZ
Last spring frost
May 1
First fall frost
Oct 20
Growing season
169 days
Hardiness zone
7a
Explore more for Sun Valley, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Painted Desert Np, Az (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.