San Antonio International Airport Weather Forecast 15 Days, Weather in SAT Today
Current weather conditions and 15 day weather forecast for San Antonio International Airport, Texas, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at San Antonio International Airport
| 02 September 2025 Tuesday 25.6 ° C / 78.1°F  Clear |
Feels Like : 27.4 ° C / 81.3°F Humidity : % 79 Pressure : 1016 mb Wind Speed : 10.1 kmph / 6.3 miles from NE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
15 day weather forecast for San Antonio International Airport, TX, USA
Weather Forecast for next 15 Days for San Antonio International Airport including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in San Antonio International Airport, Texas state, US. To see the daily forecast, scroll to the table below.
| Date | |
|---|---|
| 02 September 2025 Tuesday | |
| Weather forecast | Sunny |
| Low temperature | 23.9 ° C (75°F) |
| High temperature | 37.1 ° C (98.8°F) |
| Avg. temperature | 30.1 ° C (86.3°F) |
| Humidity | % 58 |
| Chance of rain | 0% |
| UV Index | 2.4 |
| Sun Position | Sunrise:07:12 AM Sunset: 07:54 PM |
| Moon Position | Moonrise:04:42 PM Moonset: 01:47 AM Moon Phase ( Waxing Gibbous ) |
| 03 September 2025 Wednesday | |
| Weather forecast | Sunny |
| Low temperature | 24.3 ° C (75.7°F) |
| High temperature | 37 ° C (98.6°F) |
| Avg. temperature | 30.3 ° C (86.6°F) |
| Humidity | % 52 |
| Chance of rain | 0% |
| UV Index | 2.4 |
| Sun Position | Sunrise:07:13 AM Sunset: 07:53 PM |
| Moon Position | Moonrise:05:29 PM Moonset: 02:45 AM Moon Phase ( Waxing Gibbous ) |
| 04 September 2025 Thursday | |
| Weather forecast | Sunny |
| Low temperature | 24.8 ° C (76.6°F) |
| High temperature | 39.5 ° C (103.1°F) |
| Avg. temperature | 32 ° C (89.6°F) |
| Humidity | % 41 |
| Chance of rain | 0% |
| UV Index | 2.3 |
| Sun Position | Sunrise:07:13 AM Sunset: 07:52 PM |
| Moon Position | Moonrise:06:11 PM Moonset: 03:48 AM Moon Phase ( Waxing Gibbous ) |
| 05 September 2025 Friday | |
| Weather forecast | Sunny |
| Low temperature | 24.7 ° C (76.5°F) |
| High temperature | 36.8 ° C (98.3°F) |
| Avg. temperature | 30.5 ° C (86.8°F) |
| Humidity | % 46 |
| Chance of rain | 0% |
| UV Index | 2.1 |
| Sun Position | Sunrise:07:14 AM Sunset: 07:51 PM |
| Moon Position | Moonrise:06:48 PM Moonset: 04:52 AM Moon Phase ( Waxing Gibbous ) |
| 06 September 2025 Saturday | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 24.5 ° C (76.1°F) |
| High temperature | 34.3 ° C (93.8°F) |
| Avg. temperature | 28 ° C (82.5°F) |
| Humidity | % 67 |
| Chance of rain | 88% |
| UV Index | 0 |
| Sun Position | Sunrise:07:14 AM Sunset: 07:50 PM |
| Moon Position | Moonrise:07:23 PM Moonset: 05:57 AM Moon Phase ( Waxing Gibbous ) |
| 07 September 2025 Sunday | |
| Weather forecast |  Moderate rain |
| Low temperature | 25.7 ° C (78.2°F) |
| High temperature | 36 ° C (96.8°F) |
| Avg. temperature | 29.3 ° C (84.7°F) |
| Humidity | % 67 |
| Chance of rain | 78% |
| UV Index | 6 |
| Sun Position | Sunrise:07:15 AM Sunset: 07:49 PM |
| Moon Position | Moonrise:07:55 PM Moonset: 07:02 AM Moon Phase ( Full Moon ) |
| 08 September 2025 Monday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 25.5 ° C (77.9°F) |
| High temperature | 34.2 ° C (93.5°F) |
| Avg. temperature | 29.4 ° C (85°F) |
| Humidity | % 64 |
| Chance of rain | 69% |
| UV Index | 6 |
| Sun Position | Sunrise:07:15 AM Sunset: 07:47 PM |
| Moon Position | Moonrise:08:27 PM Moonset: 08:07 AM Moon Phase ( Waning Gibbous ) |
| 09 September 2025 Tuesday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 24.4 ° C (76°F) |
| High temperature | 35 ° C (95°F) |
| Avg. temperature | 29.4 ° C (85°F) |
| Humidity | % 64 |
| Chance of rain | 82% |
| UV Index | 6 |
| Sun Position | Sunrise:07:16 AM Sunset: 07:46 PM |
| Moon Position | Moonrise:09:00 PM Moonset: 09:13 AM Moon Phase ( Waning Gibbous ) |
| 10 September 2025 Wednesday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 25.2 ° C (77.3°F) |
| High temperature | 36.4 ° C (97.5°F) |
| Avg. temperature | 30.2 ° C (86.3°F) |
| Humidity | % 61 |
| Chance of rain | 75% |
| UV Index | 7 |
| Sun Position | Sunrise:07:16 AM Sunset: 07:45 PM |
| Moon Position | Moonrise:09:36 PM Moonset: 10:21 AM Moon Phase ( Waning Gibbous ) |
| 11 September 2025 Thursday | |
| Weather forecast |  Partly Cloudy |
| Low temperature | 25 ° C (77°F) |
| High temperature | 36.6 ° C (97.8°F) |
| Avg. temperature | 30.4 ° C (86.7°F) |
| Humidity | % 58 |
| Chance of rain | 0% |
| UV Index | 8 |
| Sun Position | Sunrise:07:17 AM Sunset: 07:44 PM |
| Moon Position | Moonrise:10:17 PM Moonset: 11:31 AM Moon Phase ( Waning Gibbous ) |
| 12 September 2025 Friday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 25.3 ° C (77.5°F) |
| High temperature | 36.3 ° C (97.3°F) |
| Avg. temperature | 29.9 ° C (85.8°F) |
| Humidity | % 60 |
| Chance of rain | 0% |
| UV Index | 7 |
| Sun Position | Sunrise:07:17 AM Sunset: 07:43 PM |
| Moon Position | Moonrise:11:04 PM Moonset: 12:41 PM Moon Phase ( Waning Gibbous ) |
| 13 September 2025 Saturday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 23.6 ° C (74.4°F) |
| High temperature | 29.9 ° C (85.8°F) |
| Avg. temperature | 26.9 ° C (80.4°F) |
| Humidity | % 71 |
| Chance of rain | 84% |
| UV Index | 6 |
| Sun Position | Sunrise:07:18 AM Sunset: 07:41 PM |
| Moon Position | Moonrise:11:58 PM Moonset: 01:52 PM Moon Phase ( Waning Gibbous ) |
| 14 September 2025 Sunday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 24.2 ° C (75.6°F) |
| High temperature | 33.7 ° C (92.6°F) |
| Avg. temperature | 28.7 ° C (83.6°F) |
| Humidity | % 70 |
| Chance of rain | 89% |
| UV Index | 6 |
| Sun Position | Sunrise:07:18 AM Sunset: 07:40 PM |
| Moon Position | Moonrise:No moonrise Moonset: 02:57 PM Moon Phase ( Last Quarter ) |
| 15 September 2025 Monday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 24.4 ° C (76°F) |
| High temperature | 35.9 ° C (96.5°F) |
| Avg. temperature | 29.6 ° C (85.2°F) |
| Humidity | % 63 |
| Chance of rain | 0% |
| UV Index | 7 |
| Sun Position | Sunrise:07:19 AM Sunset: 07:39 PM |
| Moon Position | Moonrise:12:59 AM Moonset: 03:55 PM Moon Phase ( Waning Crescent ) |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 02 September 2025 Tuesday | Sunny |
23.9 ° C (75°F) |
37.1 ° C (98.8°F) |
30.1 ° C (86.3°F) |
% 58 | 0% | 2.4 | Sunrise:07:12 AM Sunset: 07:54 PM |
Moonrise:04:42 PM Moonset: 01:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 September 2025 Wednesday | Sunny |
24.3 ° C (75.7°F) |
37 ° C (98.6°F) |
30.3 ° C (86.6°F) |
% 52 | 0% | 2.4 | Sunrise:07:13 AM Sunset: 07:53 PM |
Moonrise:05:29 PM Moonset: 02:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 04 September 2025 Thursday | Sunny |
24.8 ° C (76.6°F) |
39.5 ° C (103.1°F) |
32 ° C (89.6°F) |
% 41 | 0% | 2.3 | Sunrise:07:13 AM Sunset: 07:52 PM |
Moonrise:06:11 PM Moonset: 03:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 05 September 2025 Friday | Sunny |
24.7 ° C (76.5°F) |
36.8 ° C (98.3°F) |
30.5 ° C (86.8°F) |
% 46 | 0% | 2.1 | Sunrise:07:14 AM Sunset: 07:51 PM |
Moonrise:06:48 PM Moonset: 04:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 06 September 2025 Saturday | Patchy rain nearby |
24.5 ° C (76.1°F) |
34.3 ° C (93.8°F) |
28 ° C (82.5°F) |
% 67 | 88% | 0 | Sunrise:07:14 AM Sunset: 07:50 PM |
Moonrise:07:23 PM Moonset: 05:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 07 September 2025 Sunday | Moderate rain |
25.7 ° C (78.2°F) |
36 ° C (96.8°F) |
29.3 ° C (84.7°F) |
% 67 | 78% | 6 | Sunrise:07:15 AM Sunset: 07:49 PM |
Moonrise:07:55 PM Moonset: 07:02 AM Moon Phase ( Full Moon ) |
|
| 08 September 2025 Monday | Patchy rain nearby |
25.5 ° C (77.9°F) |
34.2 ° C (93.5°F) |
29.4 ° C (85°F) |
% 64 | 69% | 6 | Sunrise:07:15 AM Sunset: 07:47 PM |
Moonrise:08:27 PM Moonset: 08:07 AM Moon Phase ( Waning Gibbous ) |
|
| 09 September 2025 Tuesday | Patchy rain nearby |
24.4 ° C (76°F) |
35 ° C (95°F) |
29.4 ° C (85°F) |
% 64 | 82% | 6 | Sunrise:07:16 AM Sunset: 07:46 PM |
Moonrise:09:00 PM Moonset: 09:13 AM Moon Phase ( Waning Gibbous ) |
|
| 10 September 2025 Wednesday | Patchy rain nearby |
25.2 ° C (77.3°F) |
36.4 ° C (97.5°F) |
30.2 ° C (86.3°F) |
% 61 | 75% | 7 | Sunrise:07:16 AM Sunset: 07:45 PM |
Moonrise:09:36 PM Moonset: 10:21 AM Moon Phase ( Waning Gibbous ) |
|
| 11 September 2025 Thursday | Partly Cloudy |
25 ° C (77°F) |
36.6 ° C (97.8°F) |
30.4 ° C (86.7°F) |
% 58 | 0% | 8 | Sunrise:07:17 AM Sunset: 07:44 PM |
Moonrise:10:17 PM Moonset: 11:31 AM Moon Phase ( Waning Gibbous ) |
|
| 12 September 2025 Friday | Partly Cloudy |
25.3 ° C (77.5°F) |
36.3 ° C (97.3°F) |
29.9 ° C (85.8°F) |
% 60 | 0% | 7 | Sunrise:07:17 AM Sunset: 07:43 PM |
Moonrise:11:04 PM Moonset: 12:41 PM Moon Phase ( Waning Gibbous ) |
|
| 13 September 2025 Saturday | Patchy rain nearby |
23.6 ° C (74.4°F) |
29.9 ° C (85.8°F) |
26.9 ° C (80.4°F) |
% 71 | 84% | 6 | Sunrise:07:18 AM Sunset: 07:41 PM |
Moonrise:11:58 PM Moonset: 01:52 PM Moon Phase ( Waning Gibbous ) |
|
| 14 September 2025 Sunday | Patchy rain nearby |
24.2 ° C (75.6°F) |
33.7 ° C (92.6°F) |
28.7 ° C (83.6°F) |
% 70 | 89% | 6 | Sunrise:07:18 AM Sunset: 07:40 PM |
Moonrise:No moonrise Moonset: 02:57 PM Moon Phase ( Last Quarter ) |
|
| 15 September 2025 Monday | Partly Cloudy |
24.4 ° C (76°F) |
35.9 ° C (96.5°F) |
29.6 ° C (85.2°F) |
% 63 | 0% | 7 | Sunrise:07:19 AM Sunset: 07:39 PM |
Moonrise:12:59 AM Moonset: 03:55 PM Moon Phase ( Waning Crescent ) |
|
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