Duncan, AZ Weather & Growing Conditions
Overnight
39°F
Mostly Clear
Mostly clear, with a low around 39. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 68°F | Sunny | 3 to 7 mph SE | 0% |
| Wednesday Night | 39°F | Mostly Clear | 2 to 6 mph W | 0% |
| Thursday | 68°F | Sunny | 1 to 6 mph ESE | 0% |
| Thursday Night | 42°F | Partly Cloudy | 5 mph E | 0% |
| Friday | 69°F | Mostly Sunny then Slight Chance Rain Showers | 3 to 8 mph ESE | 14% |
| Friday Night | 42°F | Slight Chance Rain Showers then Mostly Clear | 5 mph E | 14% |
| Saturday | 69°F | Sunny | 3 to 9 mph ESE | 5% |
| Saturday Night | 42°F | Mostly Clear | 6 to 9 mph ESE | 1% |
| Sunday | 68°F | Sunny | 6 to 15 mph ESE | 0% |
| Sunday Night | 40°F | Partly Cloudy | 5 to 12 mph ESE | 1% |
| Monday | 69°F | Mostly Sunny | 5 to 8 mph ESE | 1% |
| Monday Night | 42°F | Partly Cloudy | 1 to 6 mph ESE | 2% |
| Tuesday | 71°F | Mostly Sunny | 3 mph SSE | 3% |
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 Nov 4, 2026.