Casa Grande, AZ Weather & Growing Conditions
Overnight
81°F
Partly Cloudy
Partly cloudy. Low around 81, with temperatures rising to around 85 overnight. East southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 81°F | Partly Cloudy | 5 mph ESE | 2% |
| Tuesday | 106°F | Mostly Sunny | 5 to 15 mph WSW | 4% |
| Tuesday Night | 82°F | Patchy Blowing Dust | 5 to 15 mph S | 6% |
| Wednesday | 103°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph WSW | 17% |
| Wednesday Night | 80°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SE | 17% |
| Thursday | 105°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph WSW | 12% |
| Thursday Night | 81°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph SW | 12% |
| Friday | 106°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph WSW | 15% |
| Friday Night | 81°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 15% |
| Saturday | 107°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph WSW | 17% |
| Saturday Night | 81°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph SW | 17% |
| Sunday | 105°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 33% |
| Sunday Night | 78°F | Chance Showers And Thunderstorms | 5 mph SSW | 33% |
| Monday | 101°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 41% |
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 (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.