Yorba Linda, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Yorba Linda weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——86°65°—
- MondayJul 6Overcast——86°60°0°
- TuesdayJul 7Mostly Clear——90°63°+4°
- WednesdayJul 8Clear——94°69°+4°
- ThursdayJul 9Clear——95°71°+1°
- FridayJul 10Overcast——93°71°-2°
- SaturdayJul 11Overcast——88°72°-5°
AQI 50 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 14.1 µg/m³ (AQI 60) with a 0.77 fine-to-coarse ratio and 6 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 40 now. With UV 12 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 63 around 1 PM.
- Present
- AQI 40
- UV peak
- 11.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 63
PM × Wind × Precip
PM2.5 at 14.1 µg/m³ (AQI 60) with a 0.77 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.77
- 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
- 11:07 PM
- Moonset
- 11:10 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Yorba Linda at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: March 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 92886, 92887
16-Day Forecast — Yorba Linda
- Sun86°65°1%
- Mon86°60°1%
- Tue90°63°0%
- Wed94°69°0%
- Thu95°71°0%
- Fri93°71°0%
- Sat88°72°0%
- Sun87°70°2%
- Mon99°72°5%
- Tue100°77°11%
- Wed98°78°5%
- Thu102°80°10%
- Fri101°81°10%
- Sat96°78°10%
- Sun99°77°19%
- Mon101°76°19%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Yorba Linda
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 Yorba Linda
- 92886
- 92887
- 92885