Sun Valley, AZ Weather & Growing Conditions
Overnight
58°F
Mostly Clear
Mostly clear, with a low around 58. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Mostly Clear | 5 mph SE | 2% |
| Saturday | 80°F | Sunny | 5 to 12 mph SW | 2% |
| Saturday Night | 55°F | Mostly Clear | 6 mph SW | 1% |
| Sunday | 79°F | Sunny | 6 mph SW | 0% |
| Sunday Night | 55°F | Partly Cloudy | 6 mph SE | 0% |
| Monday | 79°F | Mostly Sunny | 6 mph S | 0% |
| Monday Night | 56°F | Partly Cloudy | 3 to 7 mph SE | 14% |
| Tuesday | 79°F | Chance Showers And Thunderstorms | 7 to 12 mph SE | 45% |
| Tuesday Night | 57°F | Chance Showers And Thunderstorms | 12 mph SE | 38% |
| Wednesday | 76°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph SE | 15% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 6 to 9 mph E | 26% |
| Thursday | 75°F | Chance Showers And Thunderstorms | 8 mph E | 40% |
| Thursday Night | 57°F | Chance Showers And Thunderstorms | 8 mph E | 37% |
| Friday | 75°F | Chance Showers And Thunderstorms | 5 to 8 mph S | 34% |
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 Sep 19, 2026.