Santa Rosa, Arizona Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Santa Rosa weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast14%—108°79°—
- MondayJul 6Overcast——107°80°-1°
- TuesdayJul 7Overcast——108°84°+1°
- WednesdayJul 8Overcast——108°84°0°
- ThursdayJul 9Heavy Drizzle——107°76°-1°
- FridayJul 10Overcast15%—104°79°-3°
- SaturdayJul 11Overcast18%—101°85°-3°
AQI 41 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.8 µg/m³ (AQI 52) with a 0.72 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
Ozone × UV × Sky
Ozone at AQI 34 now. With UV 4.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 18 around 1 PM.
- Present
- AQI 34
- UV peak
- 4.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 18
PM × Wind × Precip
PM2.5 at 9.8 µg/m³ (AQI 52) with a 0.72 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.72
- 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
- 10:43 PM
- Moonset
- 10:46 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Santa Rosa at a glance
- Today vs. normal: 17°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 — Santa Rosa
- Sun108°79°14%
- Mon107°80°3%
- Tue108°84°3%
- Wed108°84°1%
- Thu107°76°4%
- Fri104°79°15%
- Sat101°85°18%
- Sun106°82°26%
- Mon103°83°21%
- Tue99°76°24%
- Wed102°79°19%
- Thu105°83°18%
- Fri114°91°16%
- Sat113°90°32%
- Sun108°90°33%
- Mon110°89°19%
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 Santa Rosa
- 85634