Live Weather & Forecast

Weather in San Antonio

Texas, United States · Real-time conditions & 3-day outlook

Flag of United States
Overcast
24°C
Feels like 26°C
75°F / Feels 78°F
Overcast
San Antonio, Texas
🌞 Daytime
Updated: 2026-04-15 11:15
💧
Humidity
79%
💨
Wind
23.4 km/h S
🌬️
Wind Gust
26.9 km/h
🌡️
Pressure
1013 mb
👁️
Visibility
16 km
☀️
UV Index
2 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
100%
💦
Dew Point
19.7°C
🌐
Wind Degree
174°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
153.9 μg/m³
NO₂
2.6 μg/m³
O₃
95 μg/m³
SO₂
1.3 μg/m³
PM 2.5
5.6 μg/m³
PM 10
7 μg/m³

Weather Alerts 1

Met · Minor · Expected
Flood Advisory issued April 15 at 5:32AM CDT until April 15 at 8:45AM CDT by NWS Austin/San Antonio TX

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of south central Texas, including the following counties, Bandera and Medina. * WHEN...Until 845 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 532 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing o...

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads.

Effective: 2026-04-15T05:32:00-05:00  ·  Expires: 2026-04-15T08:45:00-05:00

Today's Hourly Forecast

24-hour breakdown for San Antonio, Texas

12 AM
Overcast
24°
Overcast
💧 78% 💨 25.6 km/h
1 AM
Overcast
23°
Overcast
💧 84% 💨 20.2 km/h
2 AM
Overcast
23°
Overcast
💧 85% 💨 15.1 km/h
3 AM
Patchy rain nearby
23°
Patchy rain nearby
💧 86% 💨 14.8 km/h 🌧️ 73%
4 AM
Overcast
23°
Overcast
💧 86% 💨 10.4 km/h
5 AM
Patchy rain nearby
22°
Patchy rain nearby
💧 86% 💨 11.2 km/h 🌧️ 85%
6 AM
Patchy rain nearby
22°
Patchy rain nearby
💧 88% 💨 12.2 km/h 🌧️ 100%
7 AM
Partly Cloudy
22°
Partly Cloudy
💧 83% 💨 12.2 km/h
8 AM
Overcast
22°
Overcast
💧 84% 💨 11.5 km/h
9 AM
Overcast
23°
Overcast
💧 82% 💨 18 km/h
10 AM
Overcast
25°
Overcast
💧 80% 💨 22.7 km/h
11 AM
Overcast
24°
Overcast
💧 79% 💨 23.4 km/h
12 PM
Cloudy
28°
Cloudy
💧 60% 💨 23 km/h
1 PM
Partly Cloudy
29°
Partly Cloudy
💧 53% 💨 22 km/h
2 PM
Overcast
30°
Overcast
💧 50% 💨 21.6 km/h
3 PM
Overcast
30°
Overcast
💧 42% 💨 18 km/h
4 PM
Partly Cloudy
30°
Partly Cloudy
💧 47% 💨 13.7 km/h
5 PM
Overcast
30°
Overcast
💧 45% 💨 8.6 km/h
6 PM
Overcast
30°
Overcast
💧 43% 💨 10.4 km/h
7 PM
Cloudy
29°
Cloudy
💧 45% 💨 14 km/h
8 PM
Cloudy
27°
Cloudy
💧 54% 💨 14 km/h
9 PM
Clear
26°
Clear
💧 59% 💨 21.2 km/h
10 PM
Clear
24°
Clear
💧 68% 💨 20.2 km/h
11 PM
Clear
23°
Clear
💧 77% 💨 18 km/h

3-Day Forecast

Daily overview for San Antonio, Texas

Today
Overcast
Overcast
31° / 22°
🌧️ 0% chance of rain
💧 Avg. humidity: 68%
💨 Max wind: 25.6 km/h
🌧️ Total precip: 0.1 mm
☀️ UV Index: 1.1
🌅 Sunrise: 07:08 AM
🌇 Sunset: 08:01 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Cloudy
Cloudy
31° / 21°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 29.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.3
🌅 Sunrise: 07:07 AM
🌇 Sunset: 08:01 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Overcast
Overcast
32° / 19°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 07:06 AM
🌇 Sunset: 08:02 PM
🌙 New Moon
🌑 Moon: 0% lit

Best Time to Visit San Antonio

Plan your trip to San Antonio, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to San Antonio 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in San Antonio?
Current conditions in San Antonio: Overcast, temperature 24°C, humidity 79%.
What is the best time to visit San Antonio?
The best time to visit San Antonio is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in San Antonio?
San Antonio is located at approximately 29.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in San Antonio?
The wettest period in San Antonio is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to San Antonio?
For visits to San Antonio during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is San Antonio in?
San Antonio is located in United States, in the state of Texas.
What are the public holidays in San Antonio in 2026?
View the 2026 public holidays for San Antonio on our Holidays page.
What are the GPS coordinates used for the weather forecast in San Antonio?
The weather forecast for San Antonio uses coordinates 29.4246, -98.4951.