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

16 December 2025 Tue
5.2 ° C
( 41.4°F )

Sunny
Sunny
Feels Like : 3.9 ° C / 39°F
Humidity : % 75
Pressure : 1022 mb
Wind Speed : 6.1 kmph / 3.8 miles from SESE
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

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
16 December 2025 Tue Cloudy  Cloudy 5.4 ° C 15.8 ° C 9.6 ° C % 68 13 km/h 0%
17 December 2025 Wed Mist Mist 10.5 ° C 20.8 ° C 14.4 ° C % 86 8.6 km/h 0%
18 December 2025 Thu Partly Cloudy  Partly Cloudy 9 ° C 25.8 ° C 15 ° C % 68 38.9 km/h 0%
19 December 2025 Fri Sunny Sunny 6.2 ° C 17.2 ° C 11.9 ° C % 29 25.6 km/h 0%
20 December 2025 Sat Sunny Sunny 8.7 ° C 25.2 ° C 13.7 ° C % 76 27 km/h 0%
21 December 2025 Sun Partly Cloudy  Partly Cloudy 15.5 ° C 27.4 ° C 20.1 ° C % 78 11.2 km/h 0%
22 December 2025 Mon Fog Fog 17.3 ° C 28.5 ° C 21.5 ° C % 82 20.9 km/h 0%
23 December 2025 Tue Cloudy  Cloudy 19.2 ° C 28.2 ° C 22.2 ° C % 80 16.2 km/h 0%
24 December 2025 Wed Patchy rain nearby Patchy rain nearby 18.9 ° C 26.2 ° C 21.6 ° C % 83 20.5 km/h 0%
25 December 2025 Thu Patchy rain nearby Patchy rain nearby 19.1 ° C 24.3 ° C 21.1 ° C % 80 24.1 km/h 0%
26 December 2025 Fri Sunny Sunny 15.7 ° C 26.7 ° C 19.9 ° C % 73 22 km/h 0%
27 December 2025 Sat Patchy rain nearby Patchy rain nearby 18.3 ° C 24.5 ° C 20.8 ° C % 81 26.3 km/h 83%
28 December 2025 Sun Patchy rain nearby Patchy rain nearby 12.2 ° C 18.3 ° C 15.7 ° C % 66 31.7 km/h 83%
29 December 2025 Mon Sunny Sunny 8.4 ° C 19.9 ° C 13.1 ° C % 47 12.6 km/h 0%
Weather forecasts are usually fully updated every 3 hours.

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