Catalina, Arizona Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Catalina weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——104°77°—
- MondayJul 6Overcast——102°79°-2°
- TuesdayJul 7Light Drizzle17%—103°79°+1°
- WednesdayJul 8Light Drizzle——102°78°-1°
- ThursdayJul 9Heavy Drizzle18%—101°79°-1°
- FridayJul 10Overcast10%—98°77°-3°
- SaturdayJul 11Light Drizzle25%—98°79°0°
AQI 43 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 13.3 µg/m³, PM10 at 28.8 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 13.3 µg/m³, PM10 at 28.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.46
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 10:39 PM
- Moonset
- 10:42 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Catalina at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: March 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Catalina
- Sun104°77°9%
- Mon102°79°4%
- Tue103°79°17%
- Wed102°78°4%
- Thu101°79°18%
- Fri98°77°10%
- Sat98°79°25%
- Sun98°76°29%
- Mon101°82°31%
- Tue92°74°29%
- Wed95°74°19%
- Thu103°80°23%
- Fri106°86°23%
- Sat108°87°26%
- Sun104°86°30%
- Mon103°84°29%
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 — Catalina
SPC includes Catalina in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- 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.
ZIP codes in Catalina
- 85739