Thousand Oaks, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Thousand Oaks weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——81°61°—
- MondayJul 6Clear——80°57°-1°
- TuesdayJul 7Clear——92°61°+12°
- WednesdayJul 8Clear——95°73°+3°
- ThursdayJul 9Clear——96°76°+1°
- FridayJul 10Clear——95°73°-1°
- SaturdayJul 11Partly Cloudy——93°73°-2°
AQI 32 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.71 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 32 now. With UV 9.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 around 1 PM.
- Present
- AQI 32
- UV peak
- 9.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 39
PM × Wind × Precip
PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.71 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.71
- 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
- 11:12 PM
- Moonset
- 11:14 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Thousand Oaks at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: March 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 91360, 91362
16-Day Forecast — Thousand Oaks
- Sun81°61°1%
- Mon80°57°0%
- Tue92°61°0%
- Wed95°73°0%
- Thu96°76°0%
- Fri95°73°0%
- Sat93°73°1%
- Sun93°73°3%
- Mon94°74°5%
- Tue95°76°6%
- Wed99°80°1%
- Thu99°80°10%
- Fri108°84°10%
- Sat116°85°6%
- Sun97°83°6%
- Mon96°79°7%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Thousand Oaks
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
August is Thousand Oaks's warmest stretch (~70°F) and December its coldest (~56°F); precipitation crests in February at 2.9 inches and ebbs in August to 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 57° | 2.9″ | 4 |
| February | 57° | 2.9″ | 5 |
| March | 58° | 2.0″ | 3 |
| April | 60° | 0.6″ | 1 |
| May | 62° | 0.3″ | 1 |
| June | 66° | 0.1″ | 0 |
| July | 69° | 0.0″ | 0 |
| August | 70° | 0.0″ | 0 |
| September | 70° | 0.1″ | 0 |
| October | 65° | 0.5″ | 1 |
| November | 61° | 0.9″ | 2 |
| December | 56° | 1.7″ | 3 |
Regional context
Thousand Oaks swings from 57°F in January to 69°F in July (13°F) per NOAA NCEI 1991-2020 normals; precipitation in Thousand Oaks runs about 12 inches on roughly 19 measurable days.
Cool-season fronts carry Thousand Oaks's rain: February logs 2.9 inches on 4.5 days, against August's 0.0 inches on 0.0 — winter does the heavy lifting in Thousand Oaks. That cool-season-wet pattern aligns Thousand Oaks with places like Casa Conejo, CA, Lake Sherwood, CA and Santa Rosa Valley, CA.
Hard freezes are rare in Thousand Oaks: the coldest month averages 56°F, so Thousand Oaks's growing window runs most of the year. August is the hottest stretch near 70°F, pushing cool-season crops to the milder shoulder months. Thousand Oaks's coastal lots stay 4-7°F milder overnight than Thousand Oaks's inland parcels.
Similar climates: Casa Conejo, CA, Lake Sherwood, CA, Santa Rosa Valley, CA, Westlake Village, CA, Oak Park, CA.
Naturalist notes
Coast live oaks begin their pollen release in late April, dusting cars and triggering seasonal allergies throughout Thousand Oaks.
May brings the final migration waves of yellow warblers through local canyons as they head toward their breeding grounds.
Frequently asked
- When does it freeze in Thousand Oaks?
- Frost typically leaves Thousand Oaks by mid-March and returns to Thousand Oaks near mid-December.
- What is the rainy season in Thousand Oaks?
- February is the wettest month in Thousand Oaks, about 2.9 inches on average; the year totals roughly 12 inches.
- What is the warmest month in Thousand Oaks?
- August is Thousand Oaks's warmest month, averaging about 70°F.
- What is the coldest month in Thousand Oaks?
- Thousand Oaks bottoms out in December, with a mean near 56°F.
- When can I start a vegetable garden in Thousand Oaks?
- Time tomatoes in Thousand Oaks for two weeks after mid-March; peas and greens start at Thousand Oaks's frost line.
- How many rainy days does Thousand Oaks get?
- Thousand Oaks averages about 19 days with measurable rain or snow each year.
- What hardiness zone is Thousand Oaks?
- Thousand Oaks sits in the USDA zone set by December lows near 56°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Thousand Oaks?
- Thousand Oaks'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 Thousand Oaks?
- See this week's day-by-day rain chances for Thousand Oaks in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Thousand Oaks?
- Current conditions for Thousand Oaks and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Thousand Oaks forecast updated?
- The Thousand Oaks forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Thousand Oaks?
- Today's sunrise and sunset times for Thousand Oaks 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 Thousand Oaks?
- The next few days in Thousand Oaks's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Thousand Oaks, California occupies a hot-summer Mediterranean zone, with January means near 57°F and July around 69°F — a 12°F swing.
Yearly precipitation in Thousand Oaks totals around 12 inches, spread over about 19 days of rain or snow.
The 12°F gap between Thousand Oaks's summer and winter, at 34.2°N, shapes Thousand Oaks's frost calendar.
ZIP codes in Thousand Oaks
- 91320
- 91360
- 91361
- 91362
- 91319
- 91358
- 91359