Why, Arizona Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Why weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——106°79°—
- MondayJul 6Overcast——106°78°0°
- TuesdayJul 7Light Drizzle——107°82°+1°
- WednesdayJul 8Light Drizzle——108°82°+1°
- ThursdayJul 9Overcast——105°79°-3°
- FridayJul 10Overcast——102°80°-3°
- SaturdayJul 11Light Drizzle14%—98°82°-4°
AQI 43 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.7 µg/m³ (AQI 54) with a 0.76 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
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 10.7 µg/m³ (AQI 54) with a 0.76 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.76
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 10:46 PM
- Moonset
- 10:49 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Why at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: March 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Why
- Sun106°79°7%
- Mon106°78°2%
- Tue107°82°0%
- Wed108°82°0%
- Thu105°79°0%
- Fri102°80°2%
- Sat98°82°14%
- Sun105°81°22%
- Mon103°83°19%
- Tue95°79°18%
- Wed102°79°18%
- Thu106°85°27%
- Fri113°90°20%
- Sat110°92°29%
- Sun104°89°24%
- Mon107°86°20%
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.
ZIP codes in Why
- 85321