Casa Grande, AZ Weather & Growing Conditions
Overnight
49°F
Clear
Clear. Low around 49, with temperatures rising to around 51 overnight. East southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Clear | 5 mph ESE | 0% |
| Wednesday | 75°F | Sunny | 0 to 5 mph WSW | 0% |
| Wednesday Night | 49°F | Clear | 0 mph | 0% |
| Thursday | 75°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph ENE | 0% |
| Friday | 77°F | Mostly Sunny | 0 to 5 mph NNE | 1% |
| Friday Night | 52°F | Mostly Clear | 5 mph N | 1% |
| Saturday | 78°F | Sunny | 5 to 10 mph NE | 1% |
| Saturday Night | 53°F | Clear | 5 to 10 mph NE | 1% |
| Sunday | 78°F | Sunny | 10 to 15 mph ENE | 1% |
| Sunday Night | 53°F | Partly Cloudy | 5 to 10 mph ENE | 1% |
| Monday | 78°F | Mostly Sunny | 5 to 10 mph ENE | 2% |
| Monday Night | 52°F | Partly Cloudy | 0 to 5 mph E | 2% |
| Tuesday | 76°F | Mostly Sunny | 0 to 5 mph ENE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Casa Grande, AZ
Last spring frost
Feb 5
First fall frost
Dec 6
Growing season
305 days
Hardiness zone
9a
Explore more for Casa Grande, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Casa Grande, Az (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.