San Marcos

Current Weather

22°72°

Light Rain

Feels Like: 23°74°

Min: 20°69°

Max: 26°79°

The next few hours will be humid and overcast, with today reaching 26°C and dropping to 21°C. The coming days will be light rain throughout the day.

Hourly Forecast
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Air Quality
14
Good

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

GoodHazardous
Daylight Hours

05:38

Sunrise

17:22

Sunset

11 hours 44 minutes of sunlight today
Moon

07:09

Moonrise

18:07

Moonset

Daily Forecast

Today

20°69°
26°79°

Tuesday

21°70°
27°80°

Wednesday

21°69°
26°78°

Thursday

21°69°
27°80°

Friday

21°69°
27°80°

Saturday

21°70°
27°80°

Sunday

21°69°
26°79°

Monday

21°69°
26°79°

Tuesday

21°69°
26°79°

Wednesday

21°69°
27°80°
UV Index
Wear sunscreen
5Moderate
LowExtreme
Humidity
93%Very Humid
LowHigh
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Weather in San Marcos today, October 12, 2026

San Marcos starts October 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Wetter spells lean into the morning, when rain odds reach about 100% near 10:00. Skies look heaviest around 09:00, with cover close to 88%.San Marcos starts October 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Wetter spells lean into the morning, when rain odds reach about 100% near 10:00. Skies look heaviest around 09:00, with cover close to 88%.

Expect highs of 26°C and cooler readings close to 20°C. Relative humidity sits between 76% and 100%, reaching its peak around 22:00. Airflow remains manageable, reaching about 15 km/h around 09:00.Expect highs of 79°F and cooler readings close to 69°F. Relative humidity sits between 76% and 100%, reaching its peak around 22:00. Airflow remains manageable, reaching about 9 mph around 09:00.

Afternoon showers stay in play, peaking near 100% around 12:00. Skies remain cluttered, with cover about 91% by 23:00. Horizontal visibility holds close to 16.1 km. Expect sunrise at 05:38, sunset at 17:22, and 11 hours 44 minutes of sunlight today overall.Afternoon showers stay in play, peaking near 100% around 12:00. Skies remain cluttered, with cover about 91% by 23:00. Horizontal visibility holds close to 10 mi. Expect sunrise at 05:38, sunset at 17:22, and 11 hours 44 minutes of sunlight today overall.

Overall, San Marcos on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 26°C.Overall, San Marcos on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 79°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 29°C. The average temperature during this period is around 24°C.The warmest month in San Marcos is April, with average high temperatures of 85°F. The average temperature during this period is around 75°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 69°F.

What is the wettest time of year in San Marcos?

The wettest month in San Marcos is October, with an average of 232 mm of precipitation.The wettest month in San Marcos is October, with an average of 9.1 in of precipitation.

What is the driest time of year in San Marcos?

The driest month in San Marcos is March, with an average of 22 mm of precipitation.The driest month in San Marcos is March, with an average of 0.9 in of precipitation.

View full climate insights for San Marcos →