Sun Valley, AZ Weather & Growing Conditions
Overnight
69°F
Mostly Clear
Mostly clear, with a low around 69. Southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Mostly Clear | 6 mph SW | 0% |
| Tuesday | 99°F | Sunny | 6 to 13 mph W | 8% |
| Tuesday Night | 68°F | Mostly Clear | 5 to 13 mph W | 8% |
| Wednesday | 98°F | Sunny | 5 to 13 mph W | 2% |
| Wednesday Night | 67°F | Partly Cloudy | 3 to 15 mph SW | 1% |
| Thursday | 98°F | Sunny | 3 to 8 mph W | 9% |
| Thursday Night | 66°F | Partly Cloudy | 5 to 15 mph SW | 9% |
| Friday | 99°F | Sunny | 5 mph W | 4% |
| Friday Night | 67°F | Mostly Clear | 7 to 16 mph S | 4% |
| Saturday | 99°F | Sunny | 3 to 7 mph SW | 4% |
| Saturday Night | 68°F | Partly Cloudy | 6 to 17 mph S | 4% |
| Sunday | 97°F | Slight Chance Showers And Thunderstorms | 5 to 12 mph SW | 21% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 16 mph SW | 21% |
| Monday | 95°F | Chance Showers And Thunderstorms | 5 to 16 mph W | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sun Valley, AZ
Last spring frost
Apr 22
First fall frost
Oct 24
Growing season
184 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, Holbrook, Az (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.