Duncan, AZ Weather & Growing Conditions
Tonight
65°F
Mostly Clear
Mostly clear, with a low around 65. Southeast wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Mostly Clear | 2 to 7 mph SE | 2% |
| Saturday | 94°F | Sunny | 2 to 13 mph S | 1% |
| Saturday Night | 63°F | Mostly Clear | 2 to 10 mph WNW | 2% |
| Sunday | 91°F | Sunny | 1 to 10 mph NW | 0% |
| Sunday Night | 65°F | Partly Cloudy | 1 to 10 mph N | 0% |
| Monday | 92°F | Mostly Sunny | 1 to 7 mph S | 3% |
| Monday Night | 68°F | Partly Cloudy then Chance Rain Showers | 6 mph E | 34% |
| Tuesday | 88°F | Chance Showers And Thunderstorms | 7 to 16 mph ESE | 61% |
| Tuesday Night | 65°F | Showers And Thunderstorms Likely | 14 to 20 mph ESE | 61% |
| Wednesday | 84°F | Showers And Thunderstorms Likely | 13 to 17 mph ESE | 66% |
| Wednesday Night | 63°F | Showers And Thunderstorms Likely | 13 mph ESE | 66% |
| Thursday | 82°F | Chance Showers And Thunderstorms | 12 to 16 mph ESE | 56% |
| Thursday Night | 63°F | Showers And Thunderstorms Likely | 14 to 18 mph ESE | 56% |
| Friday | 83°F | Chance Showers And Thunderstorms | 18 mph ESE | 45% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Duncan, AZ
Last spring frost
Apr 24
First fall frost
Oct 25
Growing season
183 days
Hardiness zone
8a
Explore more for Duncan, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Duncan, Az (2.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.