Atascadero, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Atascadero weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast18%—77°55°—
- MondayJul 6Partly Cloudy——75°50°-2°
- TuesdayJul 7Clear——82°49°+7°
- WednesdayJul 8Clear——91°57°+9°
- ThursdayJul 9Clear——96°63°+5°
- FridayJul 10Mostly Clear——92°63°-4°
- SaturdayJul 11Overcast——85°61°-7°
AQI 41 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.1 µg/m³ (AQI 53) with a 0.68 fine-to-coarse ratio and 2 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 10.1 µg/m³ (AQI 53) with a 0.68 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.68
- 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
- 11:20 PM
- Moonset
- 11:21 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Atascadero at a glance
- Today vs. normal: 77°F — typical for the season
- Last frost: March 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 93422
16-Day Forecast — Atascadero
- Sun77°55°18%
- Mon75°50°0%
- Tue82°49°0%
- Wed91°57°0%
- Thu96°63°0%
- Fri92°63°0%
- Sat85°61°1%
- Sun80°61°1%
- Mon98°66°6%
- Tue101°70°3%
- Wed97°70°1%
- Thu99°71°0%
- Fri99°68°0%
- Sat94°60°7%
- Sun94°61°5%
- Mon96°65°3%
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 Atascadero
- 93422
- 93423