El Capitan, Arizona Weather
Heat hardens the dust. Day 76 of spring. Read this microseason across nine climate regions →
El Capitan weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast11%—91°68°—
- ThursdayJun 4Partly Cloudy——90°65°-1°
- FridayJun 5Overcast——89°68°-1°
- SaturdayJun 6Overcast——88°64°-1°
- SundayJun 7Overcast——88°63°0°
- MondayJun 8Overcast——88°62°0°
- TuesdayJun 9Partly Cloudy——92°63°+4°
Ozone at AQI 500 — peak already passed at 1 PM under partly cloudy skies. AQI up 12 over the last 6 hours (gradual rise). Levels should ease through evening.
AVOID OUTDOORS Avoid outdoor exertion. Keep windows closed; use HEPA filtration indoors if available.
What's driving it
Ozone × UV × Sky
Ozone at AQI 500 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 500
- UV peak
- 4.8 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 500
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
- 4:54 AM
- Moonset
- 2:48 PM
- In sign
- ♑︎ Capricorn
Heat hardens the dust
El Capitan at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: March 6 (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.
SPC Convective Outlook
Storm Prediction Center — El Capitan
SPC has placed El Capitan in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.