Ajo, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ajo, a community in Pima County, Arizona.
This Afternoon
74°F
Sunny
Sunny, with a high near 74. North wind around 5 mph.
7-day forecast for Ajo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Sunny | 5 mph N | 0% |
| Tonight | 53°F | Partly Cloudy | 2 mph SSE | 0% |
| Wednesday | 75°F | Sunny | 1 to 5 mph SW | 0% |
| Wednesday Night | 52°F | Mostly Clear | 2 mph NE | 0% |
| Thursday | 76°F | Sunny | 1 to 5 mph NE | 0% |
| Thursday Night | 54°F | Partly Cloudy | 1 to 5 mph NNE | 0% |
| Friday | 77°F | Sunny | 1 to 7 mph NNE | 0% |
| Friday Night | 55°F | Mostly Clear | 5 mph NNE | 0% |
| Saturday | 80°F | Sunny | 3 to 8 mph NE | 0% |
| Saturday Night | 58°F | Mostly Clear | 6 mph ENE | 3% |
| Sunday | 81°F | Sunny | 3 to 10 mph ENE | 5% |
| Sunday Night | 58°F | Partly Cloudy | 3 mph E | 5% |
| Monday | 81°F | Mostly Sunny | 5 mph S | 6% |
| Monday Night | 58°F | Partly Cloudy | 1 mph E | 2% |
Forecast source: National Weather Service (api.weather.gov) for Ajo (32.392, -112.884). Updated through the day.
Growing snapshot for Ajo
Last spring frost
Jan 10
First fall frost
Dec 21
Growing season
347 days
Hardiness zone
9b
More local growing data for Ajo: nearby ZIP 85321 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Ajo, Az (16.1 mi from Ajo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.