Wednesday, December 17, 2025 at 7:24 PM

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Weather forecast San Marcos, Texas, United States

°C, km/h °F, mph

Wednesday
12/17/25

61°F moderate rain

morning: 50°F evening: 55°F night: 56°F

rain: 10.44 mm

pressure: 1015 hPa

wind: 8 mph

humidity: 75%

cloudy: 82%

Thursday
12/18/25

57°F moderate rain

morning: 52°F evening: 49°F night: 48°F

rain: 8.87 mm

pressure: 1016 hPa

wind: 8 mph

humidity: 82%

cloudy: 94%

Friday
12/19/25

59°F moderate rain

morning: 49°F evening: 50°F night: 47°F

rain: 7.15 mm

pressure: 1017 hPa

wind: 9 mph

humidity: 73%

cloudy: 58%

Saturday
12/20/25

62°F light rain

morning: 46°F evening: 52°F night: 49°F

rain: 4.81 mm

pressure: 1016 hPa

wind: 9 mph

humidity: 62%

cloudy: 7%

Sunday
12/21/25

63°F light rain

morning: 46°F evening: 52°F night: 48°F

rain: 3.09 mm

pressure: 1016 hPa

wind: 9 mph

humidity: 61%

cloudy: 1%

Monday
12/22/25

63°F light rain

morning: 45°F evening: 50°F night: 46°F

rain: 1.41 mm

pressure: 1016 hPa

wind: 10 mph

humidity: 53%

cloudy: 0%

Tuesday
12/23/25

64°F light rain

morning: 46°F evening: 51°F night: 49°F

rain: 2.55 mm

pressure: 1016 hPa

wind: 10 mph

humidity: 54%

cloudy: 1%

Wednesday
12/24/25

63°F light rain

morning: 47°F evening: 50°F night: 48°F

rain: 4.59 mm

pressure: 1016 hPa

wind: 9 mph

humidity: 59%

cloudy: 22%

Thursday
12/25/25

64°F light rain

morning: 46°F evening: 51°F night: 46°F

rain: 4.56 mm

pressure: 1016 hPa

wind: 9 mph

humidity: 56%

cloudy: 1%

Friday
12/26/25

63°F light rain

morning: 45°F evening: 51°F night: 49°F

rain: 5.55 mm

pressure: 1014 hPa

wind: 9 mph

humidity: 59%

cloudy: 1%

Saturday
12/27/25

61°F light rain

morning: 45°F evening: 50°F night: 47°F

rain: 6.96 mm

pressure: 1014 hPa

wind: 8 mph

humidity: 64%

cloudy: 2%

Sunday
12/28/25

62°F light rain

morning: 46°F evening: 50°F night: 48°F

rain: 5.55 mm

pressure: 1015 hPa

wind: 8 mph

humidity: 59%

cloudy: 90%

Monday
12/29/25

61°F moderate rain

morning: 46°F evening: 51°F night: 50°F

rain: 6.69 mm

pressure: 1015 hPa

wind: 7 mph

humidity: 71%

cloudy: 9%

Tuesday
12/30/25

61°F light rain

morning: 47°F evening: 53°F night: 49°F

rain: 3.15 mm

pressure: 1015 hPa

wind: 7 mph

humidity: 72%

cloudy: 11%

Wednesday
12/31/25

65°F light rain

morning: 48°F evening: 51°F night: 48°F

rain: 2.94 mm

pressure: 1015 hPa

wind: 9 mph

humidity: 54%

cloudy: 42%

Thursday
1/1/26

63°F light rain

morning: 46°F evening: 51°F night: 48°F

rain: 4.35 mm

pressure: 1015 hPa

wind: 10 mph

humidity: 59%

cloudy: 6%

Weather forecast from OpenWeather