Duncan, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Duncan, a town in Greenlee County, Arizona.
This Afternoon
91°F
Sunny
Sunny, with a high near 91. South southeast wind around 8 mph.
7-day forecast for Duncan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Sunny | 8 mph SSE | 3% |
| Tonight | 66°F | Mostly Clear | 2 to 6 mph ESE | 2% |
| Saturday | 94°F | Sunny | 2 to 12 mph S | 1% |
| Saturday Night | 64°F | Mostly Clear | 1 to 9 mph N | 2% |
| Sunday | 92°F | Sunny | 1 to 10 mph NW | 0% |
| Sunday Night | 64°F | Partly Cloudy | 1 to 9 mph N | 0% |
| Monday | 93°F | Mostly Sunny | 1 to 7 mph ESE | 2% |
| Monday Night | 68°F | Mostly Cloudy then Chance Rain Showers | 6 mph E | 34% |
| Tuesday | 89°F | Chance Showers And Thunderstorms | 7 to 16 mph E | 62% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely | 14 to 18 mph ESE | 62% |
| Wednesday | 84°F | Showers And Thunderstorms Likely | 14 mph ESE | 67% |
| Wednesday Night | 63°F | Showers And Thunderstorms Likely | 12 mph ESE | 67% |
| Thursday | 83°F | Chance Showers And Thunderstorms | 9 to 15 mph ESE | 57% |
| Thursday Night | 63°F | Showers And Thunderstorms Likely | 15 mph ESE | 57% |
Forecast source: National Weather Service (api.weather.gov) for Duncan (32.750, -109.088). Updated through the day.
Growing snapshot for Duncan
Last spring frost
Apr 24
First fall frost
Oct 25
Growing season
183 days
Hardiness zone
8a
More local growing data for Duncan: nearby ZIP 85534 weather · frost dates · planting calendar · Arizona frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Duncan, Az (2.6 mi from Duncan). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.