Current weather conditions and 15 day weather forecast for San Marcos / Robert Lowman Municipal 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.
| 20 December 2025 Saturday 8.2 ° C / 46.8°F ![]() Partly cloudy |
Feels Like : 5.8 ° C / 42.5°F Humidity : % 93 Pressure : 1016 mb Wind Speed : 14 kmph / 8.7 miles from SSW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 December 2025 Saturday | Sunny |
9.9 ° C (49.8°F) |
27.1 ° C (80.8°F) |
15.8 ° C (60.4°F) |
% 81 | 0% | 0.8 | Sunrise:07:23 AM Sunset: 05:37 PM |
Moonrise:08:07 AM Moonset: 06:06 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Cloudy |
9.8 ° C (49.6°F) |
15.7 ° C (60.3°F) |
13.1 ° C (55.5°F) |
% 89 | 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 | Overcast |
11.7 ° C (53.1°F) |
19.6 ° C (67.3°F) |
15.6 ° C (60°F) |
% 88 | 0% | 0.8 | Sunrise:07:24 AM Sunset: 05:38 PM |
Moonrise:09:36 AM Moonset: 08:04 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
19.2 ° C (66.6°F) |
25.1 ° C (77.1°F) |
21.4 ° C (70.6°F) |
% 81 | 89% | 0.8 | Sunrise:07:25 AM Sunset: 05:38 PM |
Moonrise:10:12 AM Moonset: 09:04 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Cloudy |
17.5 ° C (63.4°F) |
24.6 ° C (76.3°F) |
19 ° C (66.1°F) |
% 90 | 0% | 0 | Sunrise:07:25 AM Sunset: 05:39 PM |
Moonrise:10:45 AM Moonset: 10:03 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Fog |
15.8 ° C (60.4°F) |
26.4 ° C (79.6°F) |
19.7 ° C (67.5°F) |
% 80 | 0% | 4 | Sunrise:07:25 AM Sunset: 05:39 PM |
Moonrise:11:16 AM Moonset: 11:03 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
18.3 ° C (65°F) |
24.3 ° C (75.7°F) |
20.8 ° C (69.5°F) |
% 85 | 87% | 5 | Sunrise:07:26 AM Sunset: 05:40 PM |
Moonrise:11:45 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Cloudy |
18.3 ° C (64.9°F) |
27.3 ° C (81.2°F) |
21.6 ° C (70.8°F) |
% 75 | 0% | 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 |
18.2 ° C (64.8°F) |
23.7 ° C (74.6°F) |
20.6 ° C (69.1°F) |
% 79 | 89% | 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 | Sunny |
11.4 ° C (52.6°F) |
18.9 ° C (65.9°F) |
14.4 ° C (57.8°F) |
% 52 | 0% | 4 | 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 |
7.4 ° C (45.3°F) |
17.9 ° C (64.3°F) |
11.8 ° C (53.2°F) |
% 66 | 0% | 4 | 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 |
7.4 ° C (45.4°F) |
18 ° C (64.5°F) |
11.6 ° C (52.9°F) |
% 64 | 0% | 4 | Sunrise:07:27 AM Sunset: 05:43 PM |
Moonrise:02:52 PM Moonset: 04:31 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
5.9 ° C (42.5°F) |
20.6 ° C (69.1°F) |
12.1 ° C (53.8°F) |
% 66 | 0% | 4 | Sunrise:07:28 AM Sunset: 05:44 PM |
Moonrise:03:52 PM Moonset: 05:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Patchy rain nearby |
12.4 ° C (54.3°F) |
21.5 ° C (70.7°F) |
17.6 ° C (63.7°F) |
% 86 | 85% | 4 | Sunrise:07:28 AM Sunset: 05:45 PM |
Moonrise:04:59 PM Moonset: 06:53 AM Moon Phase ( Waxing Gibbous ) |
|