San Marcos
21°69°
Drizzle and Humid
Feels Like: 21°70°
Min: 18°65°
Max: 23°74°
The next few hours will be mostly cloudy, with today reaching 23°C and dropping to 18°C. The coming days will be drizzle
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.
05:41
Sunrise
17:24
Sunset
06:22
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
Expect unsettled, showery conditions in San Marcos on October 11, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans.Expect unsettled, showery conditions in San Marcos on October 11, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans.
The day peaks near 23°C and cools toward 18°C. Relative humidity sits between 98% and 100%, reaching its peak around 18:00. Expect gentle winds, highest near 17:00 at 8 km/h.The day peaks near 74°F and cools toward 65°F. Relative humidity sits between 98% and 100%, reaching its peak around 18:00. Expect gentle winds, highest near 17:00 at 5 mph.
Afternoon showers stay in play, peaking near 70% around 17:00. Skies remain cluttered, with cover about 99% by 17:00. Visibility holds near 15.6 km, though it can fall to 12.3 km. Sunrise is at 05:41 and sunset at 17:24, giving 11 hours 43 minutes of sunlight today.Afternoon showers stay in play, peaking near 70% around 17:00. Skies remain cluttered, with cover about 99% by 17:00. Visibility holds near 9.7 mi, though it can fall to 7.6 mi. Sunrise is at 05:41 and sunset at 17:24, giving 11 hours 43 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 23°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 74°F.
Frequently asked questions about weather in San Marcos
How warm does it get in San Marcos?
The warmest month in San Marcos is April, with average high temperatures of 33°C. The average temperature during this period is around 26°C.The warmest month in San Marcos is April, with average high temperatures of 91°F. The average temperature during this period is around 78°F.
How cold does it get in San Marcos?
The coldest month in San Marcos is January, with average low temperatures of 17°C. The average temperature during this period is around 21°C.The coldest month in San Marcos is January, with average low temperatures of 63°F. The average temperature during this period is around 71°F.
What is the wettest time of year in San Marcos?
The wettest month in San Marcos is October, with an average of 206 mm of precipitation.The wettest month in San Marcos is October, with an average of 8.1 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 15 mm of precipitation.The driest month in San Marcos is February, with an average of 0.6 in of precipitation.