Casa Grande, Arizona Weather
Heat hardens the dust. Day 76 of spring. Read this microseason across nine climate regions →
Casa Grande weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Mostly Clear——104°69°—
- ThursdayJun 4Clear——105°72°+1°
- FridayJun 5Clear——104°74°-1°
- SaturdayJun 6Overcast——104°77°0°
- SundayJun 7Overcast——103°77°-1°
- MondayJun 8Overcast——101°73°-2°
- TuesdayJun 9Mostly Clear——106°76°+5°
Ozone at AQI 58 now. AQI flat over the last 6 hours (within ±3 points). With UV 11 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 82 by mid-afternoon.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 58 now. With UV 11 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 82 by mid-afternoon.
- Present
- AQI 58
- UV peak
- 10.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 82
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
The higher the clouds, the finer the weather.
- Moonrise
- 4:57 AM
- Moonset
- 2:53 PM
- In sign
- ♑︎ Capricorn
Heat hardens the dust
Casa Grande at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: March 4 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.