Duncan, AZ Weather & Growing Conditions
Overnight
70°F
Partly Cloudy
Partly cloudy, with a low around 70. West wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Partly Cloudy | 5 mph W | 7% |
| Tuesday | 101°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 15 mph NW | 34% |
| Tuesday Night | 71°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 12 mph W | 34% |
| Wednesday | 100°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 12 mph WNW | 22% |
| Wednesday Night | 70°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 10 mph NW | 22% |
| Thursday | 101°F | Slight Chance Showers And Thunderstorms | 2 to 12 mph NW | 24% |
| Thursday Night | 71°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 10 mph N | 19% |
| Friday | 101°F | Chance Showers And Thunderstorms | 2 to 10 mph WNW | 28% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 2 to 9 mph N | 28% |
| Saturday | 101°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 9 mph ESE | 11% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 9 mph NNE | 11% |
| Sunday | 101°F | Slight Chance Showers And Thunderstorms | 1 to 9 mph SW | 21% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 9 mph NW | 21% |
| Monday | 100°F | Chance Showers And Thunderstorms | 5 to 15 mph WNW | 30% |
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 Aug 4, 2026.