Buellton, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Buellton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——79°58°—
- MondayJul 6Foggy——76°55°-3°
- TuesdayJul 7Foggy——86°54°+10°
- WednesdayJul 8Overcast——91°54°+5°
- ThursdayJul 9Mostly Clear——98°58°+7°
- FridayJul 10Foggy——96°59°-2°
- SaturdayJul 11Foggy——90°63°-6°
AQI 43 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.8 µg/m³ (AQI 54), ratio 0.57 with 10 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 41 now. With UV 8.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 49 around 1 PM.
- Present
- AQI 41
- UV peak
- 8.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 49
PM × Wind × Precip
PM2.5 at 10.8 µg/m³ (AQI 54), ratio 0.57 with 10 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.57
- Wind
- breezy
- 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
- 11:17 PM
- Moonset
- 11:20 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Buellton at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: March 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 93427
16-Day Forecast — Buellton
- Sun79°58°6%
- Mon76°55°0%
- Tue86°54°0%
- Wed91°54°0%
- Thu98°58°0%
- Fri96°59°0%
- Sat90°63°1%
- Sun87°62°1%
- Mon100°64°7%
- Tue105°68°2%
- Wed102°69°2%
- Thu103°74°0%
- Fri108°72°0%
- Sat102°63°6%
- Sun99°59°6%
- Mon99°60°6%
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 Buellton
- 93427