San Marcos

Current Weather

29°85°

Light Rain

Feels Like: 37°98°

Min: 23°73°

Max: 30°86°

The next few hours will be humid and overcast, with today reaching 30°C and dropping to 24°C. The coming days will be drizzle

Hourly Forecast
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Air Quality
22
Good

Air quality is satisfactory, and air pollution poses little or no risk.

GoodHazardous
Daylight Hours

05:51

Sunrise

17:32

Sunset

11 hours 41 minutes of sunlight today
Moon

06:33

Moonrise

Daily Forecast

Today

23°73°
30°86°

Monday

24°75°
31°87°

Tuesday

24°75°
31°87°

Wednesday

23°74°
31°87°

Thursday

23°73°
31°88°

Friday

23°73°
30°86°

Saturday

24°74°
29°85°

Sunday

24°74°
29°85°

Monday

25°76°
31°87°

Tuesday

24°76°
30°86°
UV Index
Seek shade during midday
7High
LowExtreme
Humidity
76%Humid
LowHigh
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Weather 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 30°C and cools toward 23°C. Relative humidity sits between 75% and 99%, reaching its peak around 18:00. Expect gentle winds, highest near 21:00 at 9 km/h.The day peaks near 86°F and cools toward 73°F. Relative humidity sits between 75% and 99%, reaching its peak around 18:00. Expect gentle winds, highest near 21:00 at 6 mph.

Afternoon showers stay in play, peaking near 98% around 13:00. Skies remain cluttered, with cover about 96% by 23:00. Expect visibility near 14.5 km, with poorer spells close to 6.2 km. Daylight runs from 05:51 to 17:32, lasting 11 hours 41 minutes of sunlight today.Afternoon showers stay in play, peaking near 98% around 13:00. Skies remain cluttered, with cover about 96% by 23:00. Expect visibility near 9 mi, with poorer spells close to 3.8 mi. Daylight runs from 05:51 to 17:32, lasting 11 hours 41 minutes of sunlight today.

The practical takeaway for San Marcos on October 11, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 30°C.The practical takeaway for San Marcos on October 11, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 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 34°C. The average temperature during this period is around 28°C.The warmest month in San Marcos is May, with average high temperatures of 92°F. The average temperature during this period is around 83°F.

How cold does it get in San Marcos?

The coldest month in San Marcos is January, with average low temperatures of 20°C. The average temperature during this period is around 23°C.The coldest month in San Marcos is January, with average low temperatures of 68°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 200 mm of precipitation.The wettest month in San Marcos is October, with an average of 7.9 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 53 mm of precipitation.The driest month in San Marcos is April, with an average of 2.1 in of precipitation.

View full climate insights for San Marcos →