San Antonio, Texas Weather
Camellia Blooms Break Through. Day 50 of autumn. Read this microseason across nine climate regions →
San Antonio weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 3:01 PM CST · Open-Meteo
- TodayNov 10Overcast41%—65°58°—
- WednesdayNov 11Overcast——70°58°+5°
- ThursdayNov 12Overcast——78°54°+8°
- FridayNov 13Overcast——76°62°-2°
- SaturdayNov 14Heavy Showers44%1.4″64°57°-12°
- SundayNov 15Light Drizzle43%—64°55°0°
- MondayNov 16Light Drizzle22%0.01″61°55°-3°
Air quality now AQI 58 · Moderate
AQI 58 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.2 µg/m³ (AQI 46) with a 0.94 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 32 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 32
- UV peak
- 0.6 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 32
PM × Wind × Precip
PM2.5 at 8.2 µg/m³ (AQI 46) with a 0.94 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.94
- 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).
When the wind is in the west, the weather is at its best.
- Moonrise
- 8:22 AM
- Moonset
- —
- In sign
- ♐︎ Sagittarius
Camellia Blooms Break Through
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
San Antonio at a glance
- Today vs. normal: Today averages 62°F (high 65°F, low 58°F), about the 63°F normal for Nov 10
- Last frost: February 25 (1991–2020 median, NOAA station 5 km away)
- Microseason: Nov 6–10
- Planting calendar: November — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots
16-Day Forecast — San Antonio
- Tue65°59°41%
- Wed70°58°1%
- Thu78°54°1%
- Fri76°62°0%
- Sat64°57°44%
- Sun64°55°43%
- Mon61°55°22%
- Tue60°51°4%
- Wed63°57°25%
- Thu68°63°30%
- Fri72°64°33%
- Sat69°45°45%
- Sun54°42°39%
- Mon56°40°10%
- Tue57°41°17%
- Wed65°46°29%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near San Antonio
Interactive wind and temperature map centered on San Antonio — 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 November 28) 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, winter squash, fall brassicas, and carrots.
Sun & seasons in San Antonio
San Antonio sits in Bexar County, where the year’s longest day runs 14h 2m of daylight and its shortest just 10h 15m — a swing of +3h 47m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Houston, the state’s largest city, lies about 190 miles to the E. The nearest town San Antonio tracks is Buda, roughly 59 miles to the NE.
Air quality in San Antonio
Air quality in San Antonio’s county has trended cleaner since 2020; its cleanest year on record was 2023 (median AQI 52). See the full air-quality history for San Antonio.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| February | lettuce, peas, spinach, radishes | radishes |
| March | lettuce, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| May | squash | lettuce, peas, spinach, tomatoes, peppers, beans, summer squash, garlic |
| June | squash | tomatoes, peppers, beans, summer squash, winter squash, garlic |
| July | beans, squash | tomatoes, peppers, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | beans, summer squash, winter squash |
| October | garlic (overwinter) | peppers, beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
August is San Antonio's warmest stretch (~85°F) and January its coldest (~52°F); precipitation crests in May at 3.6 inches and ebbs in July to 1.6 inches.
| Month | Mean temp | Precip |
|---|---|---|
| January | 52° | 2.3″ |
| February | 55° | 2.1″ |
| March | 62° | 2.4″ |
| April | 69° | 3.5″ |
| May | 76° | 3.6″ |
| June | 82° | 2.5″ |
| July | 85° | 1.6″ |
| August | 85° | 1.8″ |
| September | 80° | 2.4″ |
| October | 72° | 2.6″ |
| November | 61° | 2.4″ |
| December | 53° | 2.0″ |
Regional context
Similar climates Olmos Park, TX, Balcones Heights, TX, Alamo Heights, TX
In San Antonio, modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo) put January near 52°F and July near 85°F — a 33°F seasonal arc — with about 29.3 inches of precipitation.
San Antonio's precipitation spreads evenly across the seasons: May peaks at 3.6 inches, while July holds 1.6 inches — no season dominates San Antonio's rain calendar. That lines San Antonio up with places like Olmos Park, TX, Balcones Heights, TX and Alamo Heights, TX, fed by overlapping storm tracks.
Once San Antonio passes February 25, freezes fade and San Antonio's beds take lettuce, chard, arugula, and mustard greens. San Antonio's heat-lovers — tomatoes, peppers, squash — hold off until San Antonio's frost risk clears, 10-14 days on. The season ends by November 28 in San Antonio, once hard frosts set back in. That date is a median: San Antonio freezes sooner in half of years.
Similar climates: Olmos Park, TX, Balcones Heights, TX, Alamo Heights, TX, Castle Hills, TX, Terrell Hills, TX.
Frequently asked
- When does it freeze in San Antonio?
- In San Antonio, expect the last spring frost near February 25; San Antonio's first autumn frost comes around November 28.
- What is the rainy season in San Antonio?
- Rainfall in San Antonio peaks in May near 3.6 inches, out of about 29 inches annually.
- What is the warmest month in San Antonio?
- The warmest stretch in San Antonio comes in August, around 85°F on average.
- What is the coldest month in San Antonio?
- On average January is the chilliest month in San Antonio, about 52°F.
- When can I start a vegetable garden in San Antonio?
- San Antonio's last frost (February 25) cues hardy greens; in San Antonio, hold heat-lovers two weeks past.
- What hardiness zone is San Antonio?
- San Antonio's USDA zone comes from its January mean (52°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for San Antonio?
- San Antonio'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 San Antonio?
- See this week's day-by-day rain chances for San Antonio in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in San Antonio?
- Current conditions for San Antonio and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the San Antonio forecast updated?
- The San Antonio forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in San Antonio?
- Today's sunrise and sunset times for San Antonio 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 San Antonio?
- The next few days in San Antonio's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
San Antonio sits at 29.5°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in San Antonio
- 78023
- 78073
- 78109
- 78112
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