San Clemente, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
San Clemente weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——76°62°—
- MondayJul 6Overcast——77°61°+1°
- TuesdayJul 7Foggy——78°61°+1°
- WednesdayJul 8Clear——81°63°+3°
- ThursdayJul 9Clear——82°65°+1°
- FridayJul 10Overcast——81°64°-1°
- SaturdayJul 11Overcast——82°66°+1°
AQI 34 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.6 µg/m³ (AQI 52), ratio 0.69 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
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 32 now. With UV 12 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 50 around 1 PM.
- Present
- AQI 32
- UV peak
- 11.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 50
PM × Wind × Precip
PM2.5 at 9.6 µg/m³ (AQI 52), ratio 0.69 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.69
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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 Clemente at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: March 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 92672, 92673
16-Day Forecast — San Clemente
- Sun76°62°0%
- Mon77°61°1%
- Tue78°61°0%
- Wed81°63°0%
- Thu82°65°0%
- Fri81°64°1%
- Sat82°66°1%
- Sun90°65°1%
- Mon86°64°6%
- Tue85°73°9%
- Wed87°72°7%
- Thu92°76°13%
- Fri90°74°13%
- Sat88°72°10%
- Sun87°72°19%
- Mon89°70°12%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near San Clemente
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 Clemente
- 92673
- 92672
- 92674