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

14 December 2025 Sun
11.1 ° C
( 52°F )

Partly cloudy
Partly cloudy
Feels Like : 7.9 ° C / 46.1°F
Humidity : % 50
Pressure : 1031 mb
Wind Speed : 32.4 kmph / 20.1 miles from NNENNE
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 75

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
14 December 2025 Sun Patchy rain nearby Patchy rain nearby 5.7 ° C 14.6 ° C 10.4 ° C % 71 33.5 km/h 89%
15 December 2025 Mon Partly Cloudy  Partly Cloudy 1.4 ° C 13.1 ° C 6.8 ° C % 47 17.3 km/h 0%
16 December 2025 Tue Overcast  Overcast 8.5 ° C 10.7 ° C 10.5 ° C % 61 16.9 km/h 0%
17 December 2025 Wed Moderate rain Moderate rain 16.8 ° C 23.6 ° C 18.9 ° C % 91 19.8 km/h 89%
18 December 2025 Thu Fog Fog 17.4 ° C 26.9 ° C 19.9 ° C % 88 20.9 km/h 0%
19 December 2025 Fri Partly Cloudy  Partly Cloudy 17.2 ° C 26.9 ° C 20.9 ° C % 81 18 km/h 0%
20 December 2025 Sat Partly Cloudy  Partly Cloudy 18 ° C 28.6 ° C 22 ° C % 76 20.5 km/h 0%
21 December 2025 Sun Sunny Sunny 14.8 ° C 23 ° C 18.4 ° C % 52 22 km/h 0%
22 December 2025 Mon Sunny Sunny 13.1 ° C 27.2 ° C 18.9 ° C % 58 22 km/h 0%
23 December 2025 Tue Patchy rain nearby Patchy rain nearby 18.1 ° C 26 ° C 21.6 ° C % 85 19.4 km/h 72%
24 December 2025 Wed Patchy rain nearby Patchy rain nearby 19.6 ° C 26 ° C 21.7 ° C % 85 21.2 km/h 88%
25 December 2025 Thu Patchy rain nearby Patchy rain nearby 20 ° C 23 ° C 21.1 ° C % 81 24.8 km/h 84%
26 December 2025 Fri Mist Mist 18.7 ° C 27.9 ° C 21.9 ° C % 78 21.6 km/h 0%
27 December 2025 Sat Partly Cloudy  Partly Cloudy 19.2 ° C 29.2 ° C 22.8 ° C % 76 20.9 km/h 0%
Weather forecasts are usually fully updated every 3 hours.

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