Today
Sat, Jun 13
Mainly clear
95°76°
- Rain chance
- 4%
- Precip
- 0 in
- Max wind
- 12 mph
San Antonio weather forecast
Texas, United States · Chicago time · 29.42°, -98.49°
Current conditions · 1:00 AM local
Current conditions in San Antonio
81°F
Mainly clear
Feels like 80°F
- Humidity
- 55%
- Wind
- 7 mph SSW
- Gusts
- 18 mph
- UV index
- 0
- Visibility
- 6 mi
Right now
Right now in San Antonio it is mild at around 27°C, feeling like 27°C, with winds near 11 km/h.
At a glance
Today
95° / 76°Mainly clear · extreme UV
Tomorrow
96° / 78°Clear sky · extreme UV
Upcoming · to Friday
98° / 73°Highs 98°, lows 73°. The most active day looks like Wednesday, when rain chances peak at 70%.
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Next 3 days
The next three days in San Antonio bring highs near 35–37°C and lows around 25°C, with mostly settled conditions.
Tomorrow
Sun, Jun 14
Clear sky
96°78°
- Rain chance
- 4%
- Precip
- 0 in
- Max wind
- 12 mph
Monday
Mon, Jun 15
Partly cloudy
98°77°
- Rain chance
- 15%
- Precip
- 0 in
- Max wind
- 12 mph
Next 48 hours
- 12 AM83°2%8 mph
- 1 AM81°2%7 mph
- 2 AM80°2%6 mph
- 3 AM78°2%5 mph
- 4 AM77°2%4 mph
- 5 AM77°2%4 mph
- 6 AM77°2%3 mph
- 7 AM79°2%3 mph
- 8 AM80°2%3 mph
- 9 AM83°2%4 mph
- 10 AM85°2%4 mph
- 11 AM88°2%5 mph
- 12 PM91°2%6 mph
- 1 PM93°2%7 mph
- 2 PM95°2%8 mph
- 3 PM96°2%9 mph
- 4 PM97°2%9 mph
- 5 PM96°2%10 mph
- 6 PM96°2%10 mph
- 7 PM94°2%11 mph
- 8 PM92°2%10 mph
- 9 PM91°2%10 mph
- 10 PM88°2%9 mph
- 11 PM86°2%9 mph
- 12 AM83°2%8 mph
- 1 AM81°2%7 mph
- 2 AM80°2%6 mph
- 3 AM78°2%5 mph
- 4 AM77°2%4 mph
- 5 AM77°2%4 mph
- 6 AM77°2%3 mph
- 7 AM79°2%3 mph
- 8 AM80°2%3 mph
- 9 AM83°2%4 mph
- 10 AM85°2%4 mph
- 11 AM88°2%5 mph
- 12 PM91°2%6 mph
- 1 PM93°2%7 mph
- 2 PM95°2%8 mph
- 3 PM96°2%9 mph
- 4 PM97°2%9 mph
- 5 PM96°2%10 mph
- 6 PM96°2%10 mph
- 7 PM94°2%11 mph
- 8 PM92°2%10 mph
- 9 PM91°2%10 mph
- 10 PM88°2%9 mph
- 11 PM86°2%9 mph
In depth
San Antonio weather outlook
A steady pattern holds over San Antonio, Texas this week. Expect daytime highs near 35°C and overnight lows around 25°C, with winds generally from the south-west at 11–25 km/h.
Outlook
Day-to-day changes stay modest; the most active weather window arrives mid-period when precipitation chances peak at 70%.
Air quality
126
Unhealthy for Sensitive Groups
US AQI · European AQI 74
Air quality in San Antonio is currently Unhealthy for Sensitive Groups, with a US AQI near 126 driven mainly by fine particulates. Sensitive groups — children, older adults, and people with heart or lung conditions — should limit prolonged outdoor exertion until levels ease.
Pollutants
- PM2.5
- 50.4 µg/m³
- PM10
- 154 µg/m³
- Ozone (O₃)
- 96 µg/m³
- NO₂
- 38.6 µg/m³
- SO₂
- 14.2 µg/m³
- CO
- 412 µg/m³
- Dust
- 21 µg/m³
Sun & UV
- Sunrise
- 4:58 AM
- Sunset
- 7:08 PM
- Daylight
- 14h 10m
- Max UV
- 10.4 Very high
Wind
- Wind
- 7 mph
- Gusts
- 18 mph
- Direction
- SSW (205°)
Farming weather
Fields around San Antonio are running hot and dry: topsoil moisture sits near 0.161 m³/m³ with reference evapotranspiration about 7.6 mm/day, so irrigation demand is high — water pre-dawn to limit losses. Spraying is best before mid-morning while winds hold under 15 km/h. Crops sensitive to heat stress need attention above 35°C afternoons.
- Topsoil moisture
- 0.16 m³/m³
- Soil temp
- 80°F
- ET₀ today
- 7.6 mm
- Spray window
- ~5:00
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All data for San Antonio
| Variable | Value |
|---|---|
| City | San Antonio, Texas, United States |
| Coordinates | 29.4241, -98.4936 |
| Elevation | 200 m |
| Timezone | America/Chicago |
| Population | 1,434,625 |
| Observed at (local) | 1:00 AM |
| Temperature (2 m) | 81°F |
| Apparent temperature | 80°F |
| Relative humidity (2 m) | 55% |
| Dew point (2 m) | 65°F |
| Precipitation (last hour) | 0 in |
| Rain | 0 in |
| Showers | 0 in |
| Snowfall | 0 in |
| Weather code (WMO) | 1 |
| Cloud cover | 18% |
| Surface pressure | 29.4 inHg |
| Sea-level pressure | 29.9 inHg |
| Wind speed (10 m) | 7 mph |
| Wind gusts (10 m) | 18 mph |
| Wind direction (10 m) | 205° (SSW) |
| Visibility | 6 mi |
| UV index | 0 |
| Day / night | Night |
| Today max / min | 95°F / 76°F |
| Today feels-like max / min | 101°F / 75°F |
| Today precipitation sum | 0 in |
| Today rain sum | 0 in |
| Today snowfall sum | 0 in |
| Today max precip probability | 4% |
| Today max wind / gusts | 12 mph / 19 mph |
| Dominant wind direction | 215° (SW) |
| Sunrise / sunset | 4:58 AM / 7:08 PM |
| Daylight duration | 14h 10m |
| Sunshine duration | 12h 45m |
| Max UV index | 10.4 |
| Reference evapotranspiration (ET₀) | 7.6 mm |
| Topsoil moisture (0–1 cm) | 0.16 m³/m³ |
| Surface soil temperature | 80°F |
| US AQI | 126 |
| European AQI | 74 |
| PM2.5 | 50.4 µg/m³ |
| PM10 | 154 µg/m³ |
| Ozone (O₃) | 96 µg/m³ |
| Nitrogen dioxide (NO₂) | 38.6 µg/m³ |
| Sulphur dioxide (SO₂) | 14.2 µg/m³ |
| Carbon monoxide (CO) | 412 µg/m³ |
| Dust | 21 µg/m³ |
Nearby cities
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<iframe src="https://weathertomorrow.cloud/embed/city/us/texas/san-antonio" width="320" height="180" frameborder="0" title="San Antonio weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in San Antonio this week?
The highest chance of precipitation is 70% during the next seven days.
How warm will San Antonio get today?
Today's high is forecast near 35°C with a low of about 25°C.
Is the air quality in San Antonio healthy right now?
The US AQI is around 126, in the Unhealthy for Sensitive Groups band.
What are the sunrise and sunset times in San Antonio?
Sunrise is around 04:58 and sunset around 19:08 local time.