Oxnard, California Weather
Ceanothus blooms again. Day 93 of summer. Read this microseason across nine climate regions →
Oxnard weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 12:10 AM PDT · Open-Meteo
- TodaySep 21Clear later——75°62°—
- TuesdaySep 22Mostly Clear——73°57°-2°
- WednesdaySep 23Clear——77°68°+4°
- ThursdaySep 24Overcast——77°69°0°
- FridaySep 25Overcast——78°70°+1°
- SaturdaySep 26Overcast——80°71°+2°
- SundaySep 27Overcast——77°69°-3°
Air quality now AQI 51 · Moderate
AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.1 µg/m³ (AQI 55) with a 0.73 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant 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 30 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 9.
- Present
- AQI 30
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 11.1 µg/m³ (AQI 55) with a 0.73 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.73
- Wind
- calm
- 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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:16 PM
- Moonset
- 1:40 AM
- In sign
- ♑︎ Capricorn
Ceanothus blooms again
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Oxnard at a glance
- Today vs. normal: Today averages 69°F (high 75°F, low 62°F), 3°F above the 66°F normal for Sep 21
- Last frost: None in most years — 32°F in 1% of 1991–2020 years (NOAA station 1 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant lettuce, peas, spinach, radishes, beans, squash; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash
15-Day Forecast — Oxnard
- Mon75°62°2%
- Tue73°57°0%
- Wed77°68°0%
- Thu77°69°1%
- Fri78°70°0%
- Sat80°71°0%
- Sun77°69°1%
- Mon79°70°4%
- Tue83°73°11%
- Wed79°70°9%
- Thu73°69°3%
- Fri76°69°3%
- Sat78°71°3%
- Sun80°73°3%
- Mon77°72°3%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Oxnard
Interactive wind and temperature map centered on Oxnard — it loads in your browser. Open the full weather map.
Right now in the garden
Year-round growing
As of September 21, sowing here runs through the year. Freezes are uncommon, so there is no frost date to plan around; heat and rainfall set the calendar instead. This city's planting calendar for September: plant lettuce, peas, spinach, radishes, beans, and squash; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Oxnard
Oxnard sits in Ventura County, where the year’s longest day runs 14h 26m of daylight and its shortest just 9h 52m — a swing of +4h 34m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Los Angeles, the state’s largest city, lies about 45 miles to the E. The nearest town Oxnard tracks is Thousand Oaks, roughly 17 miles to the E.
Air quality in Oxnard
Air quality in Oxnard’s county has trended cleaner since 2020; its cleanest year on record was 2023 (median AQI 46). See the full air-quality history for Oxnard.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| February | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| March | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| April | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, summer squash |
| July | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash |
| August | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| September | lettuce, peas, spinach, radishes, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| October | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| November | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| December | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
A year in weather
In Oxnard, August runs warmest near 67°F and January coldest around 56°F, while February is the wettest month (3.3 inches) and August the driest (0.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 56° | 2.9″ | 4 |
| February | 57° | 3.3″ | 4 |
| March | 57° | 2.3″ | 3 |
| April | 59° | 0.7″ | 2 |
| May | 61° | 0.3″ | 1 |
| June | 64° | 0.1″ | 0 |
| July | 67° | 0.0″ | 0 |
| August | 67° | 0.0″ | 0 |
| September | 67° | 0.1″ | 0 |
| October | 65° | 0.5″ | 1 |
| November | 60° | 0.7″ | 2 |
| December | 56° | 2.1″ | 3 |
Regional context
Similar climates Port Hueneme, CA, Channel Islands Beach, CA, El Rio, CA
Oxnard swings from 56°F in January to 67°F in July (11°F) per NOAA NCEI 1991-2020 normals; precipitation in Oxnard runs about 12.9 inches on roughly 19 measurable days.
Oxnard's moisture rides winter storm tracks: February brings 3.3 inches over 3.9 wet days, while August sees only 0.0 inches across 0.0 days in the dry warm season. That cool-season-wet pattern aligns Oxnard with places like Port Hueneme, CA, Channel Islands Beach, CA and El Rio, CA.
Hard freezes are rare in Oxnard: the coldest month averages 56°F, so Oxnard's growing window runs most of the year. August is the hottest stretch near 67°F, pushing cool-season crops to the milder shoulder months. Oxnard beds by a wall stay warmer at night.
Similar climates: Port Hueneme, CA, Channel Islands Beach, CA, El Rio, CA, San Buenaventura, CA, Saticoy, CA.
Frequently asked
- When does it freeze in Oxnard?
- A freeze is the exception in Oxnard: the nearest NOAA station hit 32°F in 1% of 1991–2020 years, too few for a frost date in Oxnard.
- What is the rainy season in Oxnard?
- February is the wettest month in Oxnard, about 3.3 inches on average; the year totals roughly 13 inches.
- What is the warmest month in Oxnard?
- August is Oxnard's warmest month, averaging about 67°F.
- What is the coldest month in Oxnard?
- Oxnard bottoms out in January, with a mean near 56°F.
- When can I start a vegetable garden in Oxnard?
- Any season works in Oxnard: without a reliable freeze, Oxnard's heat, not frost, decides when greens and tomatoes do best.
- How many rainy days does Oxnard get?
- Oxnard records around 19 days of measurable precipitation annually.
- What hardiness zone is Oxnard?
- Oxnard's hardiness zone tracks its winter low; with January near 56°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Oxnard?
- Oxnard'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 Oxnard?
- See this week's day-by-day rain chances for Oxnard in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Oxnard?
- Current conditions for Oxnard and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Oxnard forecast updated?
- The Oxnard forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Oxnard?
- Today's sunrise and sunset times for Oxnard 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 Oxnard?
- The next few days in Oxnard's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Oxnard sits at 34.2°N; its climate zone is hot-summer Mediterranean (Köppen approximation).
ZIP codes in Oxnard
- 93030
- 93031
- 93032
- 93033
- 93034
- 93035
- 93036