San Marcos

Current Weather

22°71°

Rain

Feels Like: 22°72°

Min: 17°63°

Max: 22°72°

The next few hours will be partly cloudy, with today reaching 22°C and dropping to 18°C. The coming days will be light rain throughout the day and possible thunderstorms in the afternoon.

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

05:44

Sunrise

17:27

Sunset

11 hours 42 minutes of sunlight today
Moon

06:25

Moonrise

Daily Forecast

Today

17°63°
22°72°

Monday

18°64°
25°77°

Tuesday

18°64°
25°77°

Wednesday

17°63°
24°76°

Thursday

17°62°
24°76°

Friday

18°64°
24°76°

Saturday

17°63°
24°75°

Sunday

17°63°
25°77°

Monday

17°63°
25°78°

Tuesday

17°63°
24°76°
UV Index
Wear sunscreen
4Moderate
LowExtreme
Humidity
82%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 temperature range runs from about 17°C up to 22°C. The air stays humid, with relative humidity between 82% and 100% and the peak around 18:00. A lighter breeze peaks around 15:00 near 6 km/h.The temperature range runs from about 63°F up to 72°F. The air stays humid, with relative humidity between 82% and 100% and the peak around 18:00. A lighter breeze peaks around 15:00 near 4 mph.

The second half of the day still looks unsettled, with rain probability around 100% by 15:00. Dense cloud near 99% at 18:00 keeps the feel grey. Visibility stays generally good near 12.7 km on average, though it can drop toward 4.5 km in thicker cloud or showers. Sunrise is at 05:44 and sunset at 17:27, giving 11 hours 42 minutes of sunlight today.The second half of the day still looks unsettled, with rain probability around 100% by 15:00. Dense cloud near 99% at 18:00 keeps the feel grey. Visibility stays generally good near 7.9 mi on average, though it can drop toward 2.8 mi in thicker cloud or showers. Sunrise is at 05:44 and sunset at 17:27, giving 11 hours 42 minutes of sunlight today.

Overall, San Marcos on October 11, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 22°C.Overall, San Marcos on October 11, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 72°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 17°C. The average temperature during this period is around 20°C.The coldest month in San Marcos is January, with average low temperatures of 62°F. The average temperature during this period is around 69°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 February, with an average of 20 mm of precipitation.The driest month in San Marcos is February, with an average of 0.8 in of precipitation.

View full climate insights for San Marcos →