San Marcos
25°77°
Light Rain and Humid
Feels Like: 27°81°
Min: 24°75°
Max: 30°86°
The next few hours will be mostly cloudy, with today reaching 30°C and dropping to 24°C. The coming days will be light rain throughout the day and possible thunderstorms in the afternoon.
Want a closer look at the weather?
Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.
Air quality is satisfactory, and air pollution poses little or no risk.
05:48
Sunrise
17:30
Sunset
06:29
Moonrise
Today
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
See moon phases, eclipses, and seasons for this year.
View astronomySee sky darkness, moon phase, and the best viewing window for San Marcos.
View stargazing scoreWeather in San Marcos today, October 11, 2026
Rain features in San Marcos on October 11, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise.Rain features in San Marcos on October 11, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise.
The temperature range runs from about 24°C up to 30°C. Moisture in the air spans 96%-98%, with the highest values around 18:00. Airflow remains manageable, reaching about 3 km/h around 15:00.The temperature range runs from about 75°F up to 86°F. Moisture in the air spans 96%-98%, with the highest values around 18:00. Airflow remains manageable, reaching about 2 mph around 15:00.
The second half of the day still looks unsettled, with rain probability around 96% by 16:00. Dense cloud near 99% at 18:00 keeps the feel grey. Visibility stays generally good near 15.1 km on average, though it can drop toward 10.4 km in thicker cloud or showers. The sun rises at 05:48 and sets at 17:30, for a total of 11 hours 42 minutes of sunlight today.The second half of the day still looks unsettled, with rain probability around 96% by 16:00. Dense cloud near 99% at 18:00 keeps the feel grey. Visibility stays generally good near 9.4 mi on average, though it can drop toward 6.4 mi in thicker cloud or showers. The sun rises at 05:48 and sets at 17:30, for a total of 11 hours 42 minutes of sunlight today.
In short, treat October 11, 2026 in San Marcos as a damp day: pack covers, watch the wetter hours, and expect a high near 30°C.In short, treat October 11, 2026 in San Marcos as a damp day: pack covers, watch the wetter hours, and expect a high near 86°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 33°C. The average temperature during this period is around 26°C.The warmest month in San Marcos is May, with average high temperatures of 91°F. The average temperature during this period is around 79°F.
How cold does it get in San Marcos?
The coldest month in San Marcos is January, with average low temperatures of 18°C. The average temperature during this period is around 21°C.The coldest month in San Marcos is January, with average low temperatures of 64°F. The average temperature during this period is around 70°F.
What is the wettest time of year in San Marcos?
The wettest month in San Marcos is November, with an average of 263 mm of precipitation.The wettest month in San Marcos is November, with an average of 10.4 in of precipitation.
What is the driest time of year in San Marcos?
The driest month in San Marcos is April, with an average of 65 mm of precipitation.The driest month in San Marcos is April, with an average of 2.6 in of precipitation.