San Antonio Heights, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
San Antonio Heights weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——85°60°—
- MondayJul 6Clear——86°58°+1°
- TuesdayJul 7Clear——90°62°+4°
- WednesdayJul 8Clear——94°74°+4°
- ThursdayJul 9Clear——95°77°+1°
- FridayJul 10Overcast——93°75°-2°
- SaturdayJul 11Overcast——87°72°-6°
AQI 50 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 14.9 µg/m³ (AQI 62) with a 0.80 fine-to-coarse ratio and 5 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 33 now. With UV 10 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 45 around 1 PM.
- Present
- AQI 33
- UV peak
- 10.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 45
PM × Wind × Precip
PM2.5 at 14.9 µg/m³ (AQI 62) with a 0.80 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.80
- Wind
- light
- 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
- 11:06 PM
- Moonset
- 11:09 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
San Antonio Heights at a glance
- Today vs. normal: 78°F — typical for the season
- Last frost: March 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — San Antonio Heights
- Sun85°60°1%
- Mon86°58°1%
- Tue90°62°0%
- Wed94°74°0%
- Thu95°77°0%
- Fri93°75°0%
- Sat87°72°1%
- Sun86°70°1%
- Mon96°75°7%
- Tue99°82°13%
- Wed97°81°6%
- Thu100°80°13%
- Fri100°84°14%
- Sat96°81°12%
- Sun98°82°19%
- Mon99°81°18%
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 San Antonio Heights
- 91784