Sun Valley, AZ Weather & Growing Conditions
Overnight
38°F
Mostly Clear
Mostly clear, with a low around 38. Southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Mostly Clear | 7 mph SE | 0% |
| Wednesday | 64°F | Sunny | 6 to 16 mph SW | 1% |
| Wednesday Night | 34°F | Mostly Clear | 2 to 9 mph N | 1% |
| Thursday | 60°F | Mostly Sunny | 3 mph NE | 0% |
| Thursday Night | 37°F | Partly Cloudy | 3 mph E | 0% |
| Friday | 61°F | Sunny | 1 to 6 mph NE | 10% |
| Friday Night | 38°F | Mostly Clear | 6 mph N | 10% |
| Saturday | 62°F | Sunny | 6 mph N | 1% |
| Saturday Night | 36°F | Mostly Clear | 8 mph NE | 0% |
| Sunday | 63°F | Sunny | 6 mph NE | 0% |
| Sunday Night | 36°F | Mostly Clear | 3 mph NE | 0% |
| Monday | 62°F | Mostly Sunny | 3 mph E | 1% |
| Monday Night | 38°F | Partly Cloudy | 0 to 3 mph SW | 2% |
| Tuesday | 61°F | Mostly Sunny | 3 mph SW | 2% |
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 Nov 4, 2026.