San Antonio International Airport (SAT) 15 Day Weather Forecast, San Antonio United States

Current weather conditions and 15 day weather forecast for San Antonio International Airport in San Antonio, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.

Current weather conditions at SAT

13 December 2025 Sat
20 ° C
( 68°F )

Overcast
Overcast
Feels Like : 20 ° C / 68°F
Humidity : % 88
Pressure : 1018 mb
Wind Speed : 8.3 kmph / 5.1 miles from SSESSE
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 100

15-day weather forecast for San Antonio International Airport, San Antonio, United States

Date Weather forecast Low temperature High temperature Average Temperature Humidity Wind Chance of rain
13 December 2025 Sat Overcast  Overcast 15.5 ° C 26.3 ° C 19.2 ° C % 83 12.6 km/h 0%
14 December 2025 Sun Overcast  Overcast 4.6 ° C 13.9 ° C 10.9 ° C % 79 35.6 km/h 0%
15 December 2025 Mon Cloudy  Cloudy 2.2 ° C 8.7 ° C 5.9 ° C % 60 18.7 km/h 0%
16 December 2025 Tue Patchy rain nearby Patchy rain nearby 9.8 ° C 17.8 ° C 14.1 ° C % 85 16.9 km/h 82%
17 December 2025 Wed Patchy rain nearby Patchy rain nearby 15.8 ° C 20.6 ° C 17.5 ° C % 91 20.9 km/h 85%
18 December 2025 Thu Patchy rain nearby Patchy rain nearby 17.9 ° C 23.3 ° C 19.9 ° C % 88 20.9 km/h 86%
19 December 2025 Fri Patchy rain nearby Patchy rain nearby 16.8 ° C 25.4 ° C 20.5 ° C % 85 20.5 km/h 82%
20 December 2025 Sat Patchy rain nearby Patchy rain nearby 18.2 ° C 23.5 ° C 19.7 ° C % 88 10.8 km/h 86%
21 December 2025 Sun Partly Cloudy  Partly Cloudy 16 ° C 27.3 ° C 20.5 ° C % 78 10.8 km/h 0%
22 December 2025 Mon Sunny Sunny 17.3 ° C 27.9 ° C 21.3 ° C % 77 23.8 km/h 0%
23 December 2025 Tue Cloudy  Cloudy 19.7 ° C 26.1 ° C 22.3 ° C % 79 27.4 km/h 0%
24 December 2025 Wed Patchy rain nearby Patchy rain nearby 21 ° C 24.8 ° C 22.1 ° C % 84 20.2 km/h 86%
25 December 2025 Thu Patchy rain nearby Patchy rain nearby 19 ° C 23.9 ° C 21.2 ° C % 87 15.8 km/h 85%
26 December 2025 Fri Patchy rain nearby Patchy rain nearby 19 ° C 22.9 ° C 20.7 ° C % 88 23.4 km/h 85%
Weather forecasts are usually fully updated every 3 hours.

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