Oceanside, California Weather
California lilac blooms in winter light. Day 50 of autumn. Read this microseason across nine climate regions →
Oceanside weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 11:45 AM PST · Open-Meteo
- TodayNov 10Clear——84°57°—
- WednesdayNov 11Clear——80°59°-4°
- ThursdayNov 12Overcast22%—78°61°-2°
- FridayNov 13Drizzle50%—70°63°-8°
- SaturdayNov 14Showers50%0.14″68°62°-2°
- SundayNov 15Light Drizzle26%—69°62°+1°
- MondayNov 16Drizzle61%—68°61°-1°
Air quality now AQI 40 · Good
AQI 40 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 50 now. With UV 5.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 33.
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 50 now. With UV 5.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 33.
- Present
- AQI 50
- UV peak
- 5.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 33
PM × Wind × Precip
PM2.5 at 5.2 µg/m³ (AQI 29), ratio 0.49 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.49
- 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).
When the wind is in the west, the weather is at its best.
- Moonrise
- 7:51 AM
- Moonset
- 5:00 PM
- In sign
- ♐︎ Sagittarius
California lilac blooms in winter light
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Oceanside at a glance
- Today vs. normal: Today averages 71°F (high 84°F, low 57°F), 13°F above the 58°F normal for Nov 10
- Last frost: January 23 (1991–2020 median, NOAA station 4 km away)
- Microseason: Nov 6–10
- Planting calendar: November — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Oceanside
- Tue83°57°0%
- Wed80°59°0%
- Thu78°59°49%
- Fri70°63°70%
- Sat68°62°70%
- Sun69°62°28%
- Mon68°61°59%
- Tue66°58°52%
- Wed68°56°34%
- Thu68°61°38%
- Fri71°55°37%
- Sat71°51°12%
- Sun73°53°10%
- Mon74°56°16%
- Tue72°58°12%
- Wed72°57°11%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Oceanside
Interactive wind and temperature map centered on Oceanside — it loads in your browser. Open the full weather map.
Right now in the garden
Fall planting + final harvests
As of November 10, the season's first frost (typically December 11) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for November: plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Oceanside
Oceanside sits in San Diego County, where the year’s longest day runs 14h 21m of daylight and its shortest just 9h 57m — a swing of +4h 24m 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 88 miles to the NW. The nearest town Oceanside tracks is Escondido, roughly 15 miles to the ESE.
Air quality in Oceanside
Air quality in Oceanside’s county has held roughly steady since 2020; its cleanest year on record was 2022 (median AQI 63). See the full air-quality history for Oceanside.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | radishes, fall brassicas, carrots |
| February | — | lettuce, spinach, radishes |
| March | — | lettuce, peas, spinach, radishes |
| April | — | lettuce, peas, spinach |
| May | tomatoes, peppers, beans, squash | garlic |
| June | tomatoes, peppers, beans, squash | beans, summer squash |
| July | beans, squash | tomatoes, peppers, beans, summer squash |
| August | tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| October | — | tomatoes, peppers, beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| December | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
A year in weather
Oceanside's warmest month is August (~70°F mean) and its coldest is December (~53°F). Rainfall peaks in February (2.9 inches) and bottoms out in August (0.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 54° | 2.4″ | 3 |
| February | 54° | 2.9″ | 5 |
| March | 56° | 1.7″ | 3 |
| April | 58° | 0.9″ | 2 |
| May | 62° | 0.3″ | 1 |
| June | 66° | 0.1″ | 0 |
| July | 69° | 0.1″ | 0 |
| August | 70° | 0.0″ | 0 |
| September | 69° | 0.1″ | 0 |
| October | 64° | 0.6″ | 1 |
| November | 57° | 0.8″ | 2 |
| December | 53° | 2.0″ | 3 |
Regional context
Similar climates Vista, CA, Camp Pendleton South, CA, Carlsbad, CA
Oceanside's climate, from NOAA NCEI 1991-2020 station normals, pairs 54°F Januarys with 69°F Julys — a 16°F swing. About 11.9 inches of precipitation falls over roughly 20 days a year.
Oceanside's moisture rides winter storm tracks: February brings 2.9 inches over 4.6 wet days, while August sees only 0.0 inches across 0.1 days in the dry warm season. That cool-season-wet pattern aligns Oceanside with places like Vista, CA, Camp Pendleton South, CA and Carlsbad, CA.
Oceanside's growing window opens around January 23, once Oceanside's overnight lows stop freezing — sow lettuce, chard, arugula, and mustard greens. Warm-soil crops in Oceanside wait about two weeks past Oceanside's last frost, once the soil warms. It shuts near December 11, when freezes return to Oceanside and tender plants need cover. Sheltered Oceanside yards can escape a light frost.
Similar climates: Vista, CA, Camp Pendleton South, CA, Carlsbad, CA, Bonsall, CA, Lake San Marcos, CA.
Frequently asked
- When does it freeze in Oceanside?
- In Oceanside, expect the last spring frost near January 23; Oceanside's first autumn frost comes around December 11.
- What is the rainy season in Oceanside?
- Rainfall in Oceanside peaks in February near 2.9 inches, out of about 12 inches annually.
- What is the warmest month in Oceanside?
- On average August tops the year in Oceanside at about 70°F.
- What is the coldest month in Oceanside?
- The coldest stretch in Oceanside falls in December, around 53°F on average.
- When can I start a vegetable garden in Oceanside?
- Hardy spring crops go in near January 23 in Oceanside; tender peppers and squash wait 10–14 days.
- How many rainy days does Oceanside get?
- Oceanside records around 20 days of measurable precipitation annually.
- What hardiness zone is Oceanside?
- With December around 53°F, Oceanside's zone reflects that minimum — the USDA ZIP map confirms Oceanside's band.
- What is the 10-day forecast for Oceanside?
- Oceanside'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 Oceanside?
- See this week's day-by-day rain chances for Oceanside in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Oceanside?
- Current conditions for Oceanside and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Oceanside forecast updated?
- The Oceanside forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Oceanside?
- Today's sunrise and sunset times for Oceanside 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 Oceanside?
- The next few days in Oceanside's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Oceanside sits at 33.2°N; its climate zone is hot-summer Mediterranean (Köppen approximation).
ZIP codes in Oceanside
- 92049
- 92051
- 92052
- 92054
- 92056
- 92057
- 92058
- 92068