Wednesday, December 17, 2025 at 7:23 PM

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Weather forecast San Marcos, TX, United States

°C, km/h °F, mph

Wednesday
12/17/25

62°F moderate rain

morning: 58°F evening: 64°F night: 63°F

rain: 7.79 mm

pressure: 1015 hPa

wind: 10 mph

humidity: 95%

cloudy: 100%

Thursday
12/18/25

74°F few clouds

morning: 58°F evening: 64°F night: 55°F

rain: 0 mm

pressure: 1011 hPa

wind: 20 mph

humidity: 46%

cloudy: 20%

Friday
12/19/25

62°F sky is clear

morning: 47°F evening: 57°F night: 52°F

rain: 0 mm

pressure: 1023 hPa

wind: 11 mph

humidity: 19%

cloudy: 0%

Saturday
12/20/25

66°F broken clouds

morning: 52°F evening: 65°F night: 63°F

rain: 0 mm

pressure: 1015 hPa

wind: 16 mph

humidity: 84%

cloudy: 78%

Sunday
12/21/25

75°F sky is clear

morning: 60°F evening: 69°F night: 66°F

rain: 0 mm

pressure: 1018 hPa

wind: 9 mph

humidity: 71%

cloudy: 8%

Monday
12/22/25

75°F broken clouds

morning: 64°F evening: 73°F night: 71°F

rain: 0 mm

pressure: 1019 hPa

wind: 14 mph

humidity: 73%

cloudy: 78%

Tuesday
12/23/25

75°F light rain

morning: 68°F evening: 71°F night: 71°F

rain: 0.27 mm

pressure: 1021 hPa

wind: 14 mph

humidity: 72%

cloudy: 89%

Wednesday
12/24/25

68°F overcast clouds

morning: 63°F evening: 68°F night: 65°F

rain: 0 mm

pressure: 1021 hPa

wind: 14 mph

humidity: 81%

cloudy: 100%

Thursday
12/25/25

72°F overcast clouds

morning: 65°F evening: 72°F night: 68°F

rain: 0 mm

pressure: 1019 hPa

wind: 10 mph

humidity: 73%

cloudy: 99%

Friday
12/26/25

75°F overcast clouds

morning: 63°F evening: 73°F night: 69°F

rain: 0 mm

pressure: 1018 hPa

wind: 15 mph

humidity: 69%

cloudy: 96%

Saturday
12/27/25

75°F light rain

morning: 69°F evening: 72°F night: 71°F

rain: 0.69 mm

pressure: 1018 hPa

wind: 15 mph

humidity: 69%

cloudy: 96%

Sunday
12/28/25

71°F light rain

morning: 66°F evening: 73°F night: 68°F

rain: 0.21 mm

pressure: 1015 hPa

wind: 18 mph

humidity: 75%

cloudy: 100%

Monday
12/29/25

72°F moderate rain

morning: 68°F evening: 66°F night: 61°F

rain: 6.03 mm

pressure: 1012 hPa

wind: 18 mph

humidity: 21%

cloudy: 89%

Tuesday
12/30/25

74°F sky is clear

morning: 55°F evening: 65°F night: 58°F

rain: 0 mm

pressure: 1015 hPa

wind: 15 mph

humidity: 18%

cloudy: 0%

Wednesday
12/31/25

57°F scattered clouds

morning: 49°F evening: 50°F night: 45°F

rain: 0 mm

pressure: 1029 hPa

wind: 19 mph

humidity: 20%

cloudy: 26%

Thursday
1/1/26

54°F sky is clear

morning: 39°F evening: 52°F night: 48°F

rain: 0 mm

pressure: 1030 hPa

wind: 8 mph

humidity: 23%

cloudy: 0%

Weather forecast from OpenWeather