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
| 21 December 2025 Sun 16.1 ° C ( 61°F )  Clear |
Feels Like : 16.1 ° C / 61°F Humidity : % 90 Pressure : 1014 mb Wind Speed : 7.9 kmph / 4.9 miles from SW 
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 |
|---|---|---|---|---|---|---|---|
| 20 December 2025 Sat | Sunny |
9.2 ° C | 22 ° C | 14.3 ° C | % 83 | 22 km/h | 0% |
| 21 December 2025 Sun |  Partly Cloudy |
9.7 ° C | 16 ° C | 12.9 ° C | % 78 | 18.4 km/h | 0% |
| 22 December 2025 Mon |  Overcast |
12.3 ° C | 16.2 ° C | 14.2 ° C | % 90 | 20.5 km/h | 0% |
| 23 December 2025 Tue | Overcast |
16.9 ° C | 25 ° C | 20.2 ° C | % 88 | 19.1 km/h | 0% |
| 24 December 2025 Wed |  Patchy rain nearby |
16.9 ° C | 25.3 ° C | 19.9 ° C | % 84 | 18 km/h | 89% |
| 25 December 2025 Thu |  Fog |
17.6 ° C | 26.2 ° C | 19.8 ° C | % 85 | 16.2 km/h | 0% |
| 26 December 2025 Fri | Partly Cloudy |
18.3 ° C | 27.7 ° C | 21.9 ° C | % 78 | 11.2 km/h | 0% |
| 27 December 2025 Sat | Partly Cloudy |
18.2 ° C | 27.7 ° C | 21.9 ° C | % 77 | 16.2 km/h | 0% |
| 28 December 2025 Sun | Fog |
17.5 ° C | 24.7 ° C | 20.7 ° C | % 80 | 23.4 km/h | 0% |
| 29 December 2025 Mon | Patchy rain nearby |
18.4 ° C | 23.6 ° C | 20.2 ° C | % 86 | 21.6 km/h | 89% |
| 30 December 2025 Tue | Patchy rain nearby |
19.2 ° C | 20.6 ° C | 19.8 ° C | % 88 | 22 km/h | 88% |
| 31 December 2025 Wed |  Moderate rain |
12.4 ° C | 17 ° C | 15.2 ° C | % 81 | 23.8 km/h | 87% |
| 01 January 2026 Thu | Sunny |
10.2 ° C | 20.2 ° C | 14.3 ° C | % 56 | 10.8 km/h | 0% |
| 02 January 2026 Fri | Sunny |
11.2 ° C | 21.6 ° C | 15.5 ° C | % 59 | 14.8 km/h | 0% |
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