USA / San Antonio
Monday, September 21, 2026

San Antonio, US

overcast clouds

82°
Feels like 85°
H: 84° L: 80°
overcast clouds
🍃

Smart Outdoor Advice

Perfect weather for outdoor activities! Enjoy the comfortable conditions.

Hourly Forecast

6 AM

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81°

68%

9 AM

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79°

75%

12 PM

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76°

88%

3 PM

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87°

69%

6 PM

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96°

43%

9 PM

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99°

35%

12 AM

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91°

37%

3 AM

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82°

52%

Air Quality Index

2

Fair

Air quality index is fair in San Antonio.

PM2.5

1.2

PM10

2.3

O₃

80.1

NO₂

0.7

CO

104.5

Verified Station: KSSF

Official METAR Observation

From San Antonio, Stinson Municipal Airport, TX

86°F

Mostly Cloudy

Wind

West at 3.5 MPH (3 KT)

Pressure

29.91 inHg

Humidity

61%

Last Update

Last Update on Sep 20 2026, 9:53 pm CDT

Data Source: NOAA's National Weather Service

Humidity

67%

Dew Point

75°

Wind Speed

14mph

Gusts

17mph

Sunrise

12:21 PM

Sunset

12:33 AM

Pressure

1013hPa

Visibility

6.2mi

5-Day Extended Outlook

Mon, Sep 21

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87°

clear sky

99° 76°

Tue, Sep 22

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76°

clear sky

97° 76°

Wed, Sep 23

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79°

clear sky

96° 79°

Thu, Sep 24

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77°

clear sky

94° 77°

Fri, Sep 25

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77°

broken clouds

96° 77°

Sat, Sep 26

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88°

broken clouds

93° 88°

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Weather Details for San Antonio, US

What is the weather in San Antonio?

The current weather in San Antonio is overcast clouds. Local conditions are updated in real-time to provide the most accurate San Antonio weather data.

What is the temperature in San Antonio?

The current temperature in San Antonio is 82°F (28°C). Looking for the San Antonio temperature today? Expect a high of 84°F and a low of 80°F.

Is there a weather forecast for San Antonio?

Yes, our San Antonio forecast weather includes a detailed 5-day outlook and hourly updates. Stay informed about San Antonio humidity, wind speeds, and barometric pressure.

Current Conditions & Alerts

Monitor San Antonio current weather including visibility of 6.2 miles and atmospheric pressure of 1013 hPa.