Pima, Arizona Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Pima weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——105°79°—
- MondayJul 6Overcast23%—106°79°+1°
- TuesdayJul 7Light Drizzle31%—104°80°-2°
- WednesdayJul 8Drizzle16%—102°79°-2°
- ThursdayJul 9Heavy Drizzle12%—105°80°+3°
- FridayJul 10Light Drizzle10%—103°78°-2°
- SaturdayJul 11Overcast15%—103°81°0°
AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.5 µg/m³ (AQI 36), ratio 0.61 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
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 34. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 4.6 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 6.5 µg/m³ (AQI 36), ratio 0.61 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.61
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:34 PM
- Moonset
- 10:37 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Pima at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: March 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 85543
16-Day Forecast — Pima
- Sun106°79°3%
- Mon106°79°23%
- Tue104°80°31%
- Wed102°79°16%
- Thu105°80°12%
- Fri103°78°10%
- Sat103°81°15%
- Sun104°79°22%
- Mon103°84°25%
- Tue100°80°23%
- Wed102°77°19%
- Thu105°81°32%
- Fri108°86°31%
- Sat110°86°39%
- Sun112°87°42%
- Mon109°83°43%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 includes Pima in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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.
ZIP codes in Pima
- 85543