San Marcos
27°80°
Light Rain
Feels Like: 28°82°
Min: 22°72°
Max: 27°81°
The next few hours will be humid and mostly cloudy, with today reaching 27°C and dropping to 21°C. The coming days will be light rain throughout the day and possible thunderstorms in the afternoon.
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Air quality is satisfactory, and air pollution poses little or no risk.
05:38
Sunrise
17:21
Sunset
06:19
Moonrise
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View stargazing scoreWeather in San Marcos today, October 11, 2026
San Marcos starts October 11, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.San Marcos starts October 11, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.
The day peaks near 27°C and cools toward 22°C. The air stays humid, with relative humidity between 79% and 98% and the peak around 23:00. Airflow remains manageable, reaching about 11 km/h around 15:00.The day peaks near 81°F and cools toward 72°F. The air stays humid, with relative humidity between 79% and 98% and the peak around 23:00. Airflow remains manageable, reaching about 7 mph around 15:00.
The second half of the day still looks unsettled, with rain probability around 78% by 15:00. Dense cloud near 99% at 17:00 keeps the feel grey. Horizontal visibility sits around 13.1 km, briefly nearer 5.5 km. Expect sunrise at 05:38, sunset at 17:21, and 11 hours 42 minutes of sunlight today overall.The second half of the day still looks unsettled, with rain probability around 78% by 15:00. Dense cloud near 99% at 17:00 keeps the feel grey. Horizontal visibility sits around 8.1 mi, briefly nearer 3.4 mi. Expect sunrise at 05:38, sunset at 17:21, and 11 hours 42 minutes of sunlight today overall.
Taken together, San Marcos looks wet enough on October 11, 2026 that flexible outdoor plans work best, with temperatures peaking near 27°C.Taken together, San Marcos looks wet enough on October 11, 2026 that flexible outdoor plans work best, with temperatures peaking near 81°F.
Frequently asked questions about weather in San Marcos
How warm does it get in San Marcos?
The warmest month in San Marcos is May, with average high temperatures of 34°C. The average temperature during this period is around 27°C.The warmest month in San Marcos is May, with average high temperatures of 92°F. The average temperature during this period is around 81°F.
How cold does it get in San Marcos?
The coldest month in San Marcos is January, with average low temperatures of 19°C. The average temperature during this period is around 23°C.The coldest month in San Marcos is January, with average low temperatures of 66°F. The average temperature during this period is around 74°F.
What is the wettest time of year in San Marcos?
The wettest month in San Marcos is October, with an average of 177 mm of precipitation.The wettest month in San Marcos is October, with an average of 7 in of precipitation.
What is the driest time of year in San Marcos?
The driest month in San Marcos is February, with an average of 16 mm of precipitation.The driest month in San Marcos is February, with an average of 0.6 in of precipitation.