San Marcos Airport / Thompson Field Weather Forecast 15 Days, Weather in Today
Current weather conditions and 15 day weather forecast for San Marcos Airport / Thompson Field, 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 Marcos Airport / Thompson Field
| 18 December 2025 Thursday 17.2 ° C / 63°F  Overcast |
Feels Like : 17.2 ° C / 63°F Humidity : % 100 Pressure : 1010 mb Wind Speed : 12.6 kmph / 7.8 miles from S  Visibility : 16 km Precipitation (rainfall) : 0.12 mm Cloud (%) : 100 |
15 day weather forecast for San Marcos Airport / Thompson Field, TX, USA
Weather Forecast for next 15 Days for San Marcos Airport / Thompson Field 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 Marcos Airport / Thompson Field, Texas state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday |  Patchy rain nearby |
14.4 ° C (57.9°F) |
27.1 ° C (80.8°F) |
18.6 ° C (65.4°F) |
% 75 | 86% | 0.8 | Sunrise:07:22 AM Sunset: 05:36 PM |
Moonrise:06:19 AM Moonset: 04:21 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Sunny |
6.5 ° C (43.7°F) |
20.2 ° C (68.4°F) |
12.7 ° C (54.9°F) |
% 46 | 0% | 0.8 | Sunrise:07:23 AM Sunset: 05:36 PM |
Moonrise:07:15 AM Moonset: 05:11 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Overcast |
9.2 ° C (48.6°F) |
17.5 ° C (63.5°F) |
13.4 ° C (56.2°F) |
% 88 | 0% | 0.4 | Sunrise:07:23 AM Sunset: 05:37 PM |
Moonrise:08:07 AM Moonset: 06:06 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Partly Cloudy |
15.1 ° C (59.2°F) |
26.1 ° C (79°F) |
19.5 ° C (67.1°F) |
% 84 | 0% | 0.8 | Sunrise:07:24 AM Sunset: 05:37 PM |
Moonrise:08:54 AM Moonset: 07:04 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Mist |
17.7 ° C (63.9°F) |
25.9 ° C (78.7°F) |
20 ° C (68°F) |
% 90 | 0% | 0 | Sunrise:07:24 AM Sunset: 05:38 PM |
Moonrise:09:36 AM Moonset: 08:04 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Cloudy |
19.6 ° C (67.2°F) |
24.4 ° C (75.9°F) |
21.4 ° C (70.6°F) |
% 84 | 0% | 5 | Sunrise:07:25 AM Sunset: 05:38 PM |
Moonrise:10:12 AM Moonset: 09:04 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Overcast |
16.9 ° C (62.3°F) |
22.2 ° C (71.9°F) |
19 ° C (66.2°F) |
% 87 | 0% | 4 | Sunrise:07:25 AM Sunset: 05:39 PM |
Moonrise:10:45 AM Moonset: 10:03 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Cloudy |
17.3 ° C (63.1°F) |
26.5 ° C (79.8°F) |
20.5 ° C (68.9°F) |
% 80 | 0% | 5 | Sunrise:07:25 AM Sunset: 05:39 PM |
Moonrise:11:16 AM Moonset: 11:03 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Fog |
17.3 ° C (63.1°F) |
27.5 ° C (81.5°F) |
21 ° C (69.7°F) |
% 82 | 0% | 5 | Sunrise:07:26 AM Sunset: 05:40 PM |
Moonrise:11:45 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Patchy rain nearby |
19.8 ° C (67.6°F) |
24.2 ° C (75.6°F) |
21.8 ° C (71.3°F) |
% 81 | 89% | 5 | Sunrise:07:26 AM Sunset: 05:40 PM |
Moonrise:12:14 PM Moonset: 12:03 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
19.2 ° C (66.6°F) |
25 ° C (77.1°F) |
21 ° C (69.8°F) |
% 80 | 82% | 5 | Sunrise:07:27 AM Sunset: 05:41 PM |
Moonrise:12:46 PM Moonset: 01:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
16.4 ° C (61.6°F) |
25.1 ° C (77.2°F) |
20.1 ° C (68.2°F) |
% 50 | 88% | 5 | Sunrise:07:27 AM Sunset: 05:42 PM |
Moonrise:01:22 PM Moonset: 02:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
12.8 ° C (55.1°F) |
25.7 ° C (78.2°F) |
17.5 ° C (63.4°F) |
% 24 | 0% | 5 | Sunrise:07:27 AM Sunset: 05:42 PM |
Moonrise:02:03 PM Moonset: 03:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
7.2 ° C (45°F) |
14.9 ° C (58.9°F) |
11.2 ° C (52.1°F) |
% 38 | 0% | 4 | Sunrise:07:27 AM Sunset: 05:43 PM |
Moonrise:02:52 PM Moonset: 04:31 AM Moon Phase ( Waxing Gibbous ) |
|
Add a link to your web page; copy and paste this html to your web page