Pima, Arizona Weather
Heat hardens the dust. Day 76 of spring. Read this microseason across nine climate regions →
Pima weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast24%—98°68°—
- ThursdayJun 4Overcast——100°72°+2°
- FridayJun 5Overcast——100°72°0°
- SaturdayJun 6Overcast——98°74°-2°
- SundayJun 7Overcast——98°73°0°
- MondayJun 8Overcast——99°73°+1°
- TuesdayJun 9Partly Cloudy——104°76°+5°
Ozone at AQI 45 now. AQI flat over the last 6 hours (within ±3 points). With UV 11 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 45 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 45 now. With UV 11 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 45 by mid-afternoon.
- Present
- AQI 45
- UV peak
- 10.6 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 45
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
- 4:49 AM
- Moonset
- 2:45 PM
- In sign
- ♑︎ Capricorn
Heat hardens the dust
Pima at a glance
- Today vs. normal: 14°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.
SPC Convective Outlook
Storm Prediction Center — Pima
SPC has placed Pima 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.