Casa Grande, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Casa Grande, a city in Pinal County, Arizona.
This Afternoon
75°F
Sunny
Sunny. High near 75, with temperatures falling to around 73 in the afternoon. West wind around 5 mph.
7-day forecast for Casa Grande
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 5 mph W | 0% |
| Tonight | 50°F | Clear | 0 mph | 0% |
| Thursday | 75°F | Sunny | 0 to 5 mph NE | 0% |
| Thursday Night | 51°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Friday | 76°F | Sunny | 0 to 5 mph NNE | 1% |
| Friday Night | 53°F | Mostly Clear | 0 to 5 mph N | 1% |
| Saturday | 77°F | Sunny | 5 to 15 mph NE | 0% |
| Saturday Night | 54°F | Clear | 5 to 10 mph ENE | 0% |
| Sunday | 77°F | Sunny | 10 to 20 mph ENE | 0% |
| Sunday Night | 53°F | Mostly Clear | 10 mph ENE | 0% |
| Monday | 77°F | Sunny | 5 to 10 mph ENE | 1% |
| Monday Night | 52°F | Partly Cloudy | 0 to 5 mph ENE | 1% |
| Tuesday | 77°F | Sunny | 0 to 5 mph NE | 1% |
| Tuesday Night | 52°F | Mostly Clear | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov) for Casa Grande (32.907, -111.763). Updated through the day.
Growing snapshot for Casa Grande
Last spring frost
Feb 5
First fall frost
Dec 6
Growing season
305 days
Hardiness zone
9a
More local growing data for Casa Grande: nearby ZIP 85122 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Casa Grande, Az (2.8 mi from Casa Grande). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.