Casa Grande, AZ Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Casa Grande, AZ in one place.
A slight chance of showers and thunderstorms after 5pm. Mostly sunny. High near 102, with temperatures falling to around 100 in the afternoon. Southwest wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Casa Grande, AZ is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 3:05 PM MST.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Casa Grande, AZ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 3:05 PM MST
- Forecast office
- PSR
- Source
- NOAA / NWS
Daily Outlook
This Week in Casa Grande
Wednesday looks like the warmest upcoming period in Casa Grande at 102 degrees F.
Friday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Wednesday at about 5 mph SW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 3:05 PM MST
- Coverage
- 7 days
- Time zone
- America/Phoenix
- Forecast office
- PSR
- Radar station
- KIWA
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 3am, then showers and thunderstorms likely. Mostly cloudy, with a low around 78. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 97. South southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 11pm, then showers and thunderstorms. Mostly cloudy, with a low around 73. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 92. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. South southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 96. West southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 5am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. West southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 98. West southwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 5am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
102°F |
5 mph
SW
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms
|
78°F |
5 mph
SSW
|
|
Thursday
Jul 16
|
Showers And Thunderstorms Likely
|
97°F |
5 mph
SSW
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
73°F |
5 mph
SE
|
|
Friday
Jul 17
|
Showers And Thunderstorms
|
92°F |
5 mph
S
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
72°F |
5 mph
SSE
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
94°F |
5 mph
SW
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
74°F |
5 mph
SE
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
96°F |
5 mph
WSW
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
75°F |
5 mph
WSW
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms
|
98°F |
5 mph
WSW
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
76°F |
5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Casa Grande.
