San Marcos

Current Weather

27°81°

Mostly Cloudy

Feels Like: 31°87°

Min: 26°80°

Max: 29°84°

The next few hours will be overcast, with today reaching 29°C and dropping to 26°C. The coming days will be light rain throughout the day.

Hourly Forecast
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84%
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42%
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32%
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Air Quality
22
Good

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

GoodHazardous
Daylight Hours

05:35

Sunrise

17:21

Sunset

11 hours 45 minutes of sunlight today
Moon

07:05

Moonrise

18:07

Moonset

Daily Forecast

Today

26°80°
29°84°

Tuesday

27°80°
30°86°

Wednesday

26°79°
30°85°

Thursday

26°79°
29°85°

Friday

26°78°
30°86°

Saturday

27°80°
29°84°

Sunday

27°80°
29°84°

Monday

27°80°
28°83°

Tuesday

27°80°
28°82°

Wednesday

27°80°
28°83°
UV Index
Wear sunscreen
5Moderate
LowExtreme
Humidity
83%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. Morning plans should assume damp conditions, as rain chances climb toward 26% around 10:00. Cloud cover is also at its densest near 09:00 at roughly 75%.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. Morning plans should assume damp conditions, as rain chances climb toward 26% around 10:00. Cloud cover is also at its densest near 09:00 at roughly 75%.

Temperatures climb from an overnight low near 26°C toward a daytime high of about 29°C. The air stays humid, with relative humidity between 73% and 85% and the peak around 21:00. Expect gentle winds, highest near 09:00 at 19 km/h.Temperatures climb from an overnight low near 80°F toward a daytime high of about 84°F. The air stays humid, with relative humidity between 73% and 85% and the peak around 21:00. Expect gentle winds, highest near 09:00 at 12 mph.

Through the afternoon wet weather remains a factor, with rain chances near 84% around 19:00. Cloud also stays substantial, close to 84% near 23:00. Visibility stays generally good near 15.5 km on average, though it can drop toward 11.9 km in thicker cloud or showers. Expect sunrise at 05:35, sunset at 17:21, and 11 hours 45 minutes of sunlight today overall.Through the afternoon wet weather remains a factor, with rain chances near 84% around 19:00. Cloud also stays substantial, close to 84% near 23:00. Visibility stays generally good near 9.6 mi on average, though it can drop toward 7.4 mi in thicker cloud or showers. Expect sunrise at 05:35, sunset at 17:21, and 11 hours 45 minutes of sunlight today overall.

Overall, San Marcos on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 84% and the high sits around 29°C.Overall, San Marcos on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 84% and the high sits around 84°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 30°C. The average temperature during this period is around 28°C.The warmest month in San Marcos is April, with average high temperatures of 85°F. The average temperature during this period is around 82°F.

How cold does it get in San Marcos?

The coldest month in San Marcos is February, with average low temperatures of 24°C. The average temperature during this period is around 26°C.The coldest month in San Marcos is February, with average low temperatures of 76°F. The average temperature during this period is around 79°F.

What is the wettest time of year in San Marcos?

The wettest month in San Marcos is October, with an average of 387 mm of precipitation.The wettest month in San Marcos is October, with an average of 15.2 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 16 mm of precipitation.The driest month in San Marcos is February, with an average of 0.6 in of precipitation.

View full climate insights for San Marcos →