Ajo, AZ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ajo, a community in Pima County, Arizona.

This Afternoon

100°F

Sunny

Sunny, with a high near 100. Southwest wind around 6 mph.

7-day forecast for Ajo

When	Temp	Forecast	Wind	Precip
This Afternoon	100°F	Sunny	6 mph SW	0%
Tonight	74°F	Mostly Clear	5 mph SSW	0%
Saturday	100°F	Sunny	1 to 6 mph SSW	0%
Saturday Night	74°F	Mostly Clear	5 mph SSW	0%
Sunday	99°F	Sunny	5 to 8 mph S	0%
Sunday Night	75°F	Partly Cloudy	7 mph S	0%
Monday	97°F	Mostly Sunny	7 to 10 mph S	0%
Monday Night	72°F	Mostly Clear	3 to 8 mph SSE	2%
Tuesday	98°F	Sunny	6 mph S	2%
Tuesday Night	74°F	Mostly Clear	1 to 5 mph SSE	3%
Wednesday	101°F	Sunny then Slight Chance Showers And Thunderstorms	1 to 5 mph SSE	11%
Wednesday Night	78°F	Slight Chance Showers And Thunderstorms then Partly Cloudy	5 mph SSE	11%
Thursday	100°F	Slight Chance Showers And Thunderstorms	5 mph ENE	15%
Thursday Night	79°F	Slight Chance Showers And Thunderstorms	5 mph E	17%

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

More local growing data for Ajo: nearby ZIP 85321 weather · frost dates · planting calendar · Arizona frost dates

Nearby towns & communities

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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 Sep 19, 2026.