Trabuco Canyon, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Trabuco Canyon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Partly Cloudy——83°61°—
- MondayJul 6Mostly Clear——84°57°+1°
- TuesdayJul 7Clear——94°61°+10°
- WednesdayJul 8Clear——99°66°+5°
- ThursdayJul 9Clear——99°69°0°
- FridayJul 10Overcast——96°68°-3°
- SaturdayJul 11Overcast——90°66°-6°
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 7 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 7 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
Trabuco Canyon at a glance
- Today vs. normal: 79°F — typical for the season
- Last frost: March 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 92678, 92679
16-Day Forecast — Trabuco Canyon
- Sun83°61°1%
- Mon84°57°1%
- Tue94°61°0%
- Wed99°66°0%
- Thu99°69°0%
- Fri96°68°0%
- Sat90°66°1%
- Sun90°65°2%
- Mon100°68°7%
- Tue101°76°11%
- Wed99°75°7%
- Thu104°78°13%
- Fri104°79°13%
- Sat100°77°10%
- Sun102°77°19%
- Mon104°75°12%
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.
Microseason · July 1–5
Summer heat deepens across the valleys
Inland temperatures exceed 95°F regularly; fire danger reaches moderate to high across most of the region.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
In Trabuco Canyon, August runs warmest near 78°F and January coldest around 51°F, while February is the wettest month (3.3 inches) and August the driest (0.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 51° | 3.2″ | 11 |
| February | 52° | 3.3″ | 10 |
| March | 55° | 2.9″ | 13 |
| April | 60° | 1.4″ | 10 |
| May | 65° | 0.5″ | 7 |
| June | 71° | 0.1″ | 3 |
| July | 77° | 0.1″ | 1 |
| August | 78° | 0.0″ | 1 |
| September | 75° | 0.1″ | 2 |
| October | 67° | 0.5″ | 5 |
| November | 57° | 1.5″ | 8 |
| December | 51° | 2.5″ | 10 |
Frequently asked
- When does it freeze in Trabuco Canyon?
- In Trabuco Canyon, expect the last spring frost near mid-March; Trabuco Canyon's first autumn frost comes around mid-December.
- What is the rainy season in Trabuco Canyon?
- Trabuco Canyon sees its heaviest rain in February (around 3.3 inches), part of roughly 16 inches a year.
- What is the warmest month in Trabuco Canyon?
- The warmest stretch in Trabuco Canyon comes in August, around 78°F on average.
- What is the coldest month in Trabuco Canyon?
- On average January is the chilliest month in Trabuco Canyon, about 51°F.
- When can I start a vegetable garden in Trabuco Canyon?
- Trabuco Canyon's last frost (mid-March) cues hardy greens; in Trabuco Canyon, hold heat-lovers two weeks past.
- How many rainy days does Trabuco Canyon get?
- Trabuco Canyon records around 82 days of measurable precipitation annually.
- What hardiness zone is Trabuco Canyon?
- Trabuco Canyon sits in the USDA zone set by January lows near 51°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Trabuco Canyon?
- Trabuco Canyon's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Trabuco Canyon?
- See this week's day-by-day rain chances for Trabuco Canyon in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Trabuco Canyon?
- Current conditions for Trabuco Canyon and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Trabuco Canyon forecast updated?
- The Trabuco Canyon forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Trabuco Canyon?
- Today's sunrise and sunset times for Trabuco Canyon are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Trabuco Canyon?
- The next few days in Trabuco Canyon's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Trabuco Canyon, California occupies a hot-summer Mediterranean zone, with January means near 51°F and July around 77°F — a 26°F swing.
Rain and snow bring Trabuco Canyon roughly 16 inches a year across approximately 82 measurable-precipitation days.
Latitude 33.7°N gives Trabuco Canyon its 26°F swing, and with it the rhythm of Trabuco Canyon's growing season.
ZIP codes in Trabuco Canyon
- 92676
- 92679
- 92678