San Marcos

Current Weather

25°78°

Overcast

Feels Like: 31°87°

Min: 20°68°

Max: 26°78°

The next few hours will be humid and mostly cloudy, with today reaching 26°C and dropping to 20°C. The coming days will be drizzle

Hourly Forecast
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Air Quality
21
Good

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

GoodHazardous
Daylight Hours

05:42

Sunrise

17:26

Sunset

11 hours 44 minutes of sunlight today
Moon

06:22

Moonrise

Daily Forecast

Today

20°68°
26°78°

Monday

20°69°
28°83°

Tuesday

20°68°
29°85°

Wednesday

20°67°
29°84°

Thursday

20°68°
28°83°

Friday

20°68°
28°83°

Saturday

20°68°
29°83°

Sunday

20°69°
29°85°

Monday

20°69°
29°85°

Tuesday

20°68°
28°83°
UV Index
Wear sunscreen
4Moderate
LowExtreme
Humidity
76%Humid
LowHigh
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Weather in San Marcos today, October 11, 2026

Cloud cover dominates in San Marcos on October 11, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells.Cloud cover dominates in San Marcos on October 11, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells.

Temperatures climb from an overnight low near 20°C toward a daytime high of about 26°C. Moisture in the air spans 76%-90%, with the highest values around 18:00. Winds stay light, near 10 km/h by 21:00, so the day feels still more than breezy.Temperatures climb from an overnight low near 68°F toward a daytime high of about 78°F. Moisture in the air spans 76%-90%, with the highest values around 18:00. Winds stay light, near 6 mph by 21:00, so the day feels still more than breezy.

The afternoon keeps an overcast feel, as cloud reaches about 100% around 15:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.9 km, with poorer spells close to 14.2 km. Expect sunrise at 05:42, sunset at 17:26, and 11 hours 44 minutes of sunlight today overall.The afternoon keeps an overcast feel, as cloud reaches about 100% around 15:00. Outdoor plans may still want a flexible backup. Expect visibility near 9.9 mi, with poorer spells close to 8.8 mi. Expect sunrise at 05:42, sunset at 17:26, and 11 hours 44 minutes of sunlight today overall.

Overall, San Marcos on October 11, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 84% and the high sits around 26°C.Overall, San Marcos on October 11, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 84% and the high sits around 78°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 34°C. The average temperature during this period is around 27°C.The warmest month in San Marcos is April, with average high temperatures of 93°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 20°C. The average temperature during this period is around 25°C.The coldest month in San Marcos is January, with average low temperatures of 67°F. The average temperature during this period is around 76°F.

What is the wettest time of year in San Marcos?

The wettest month in San Marcos is October, with an average of 374 mm of precipitation.The wettest month in San Marcos is October, with an average of 14.7 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 2 mm of precipitation.The driest month in San Marcos is February, with an average of 0.1 in of precipitation.

View full climate insights for San Marcos →