San Marcos

Current Weather

28°82°

Mostly Cloudy

Feels Like: 32°89°

Min: 24°75°

Max: 30°86°

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

Hourly Forecast
28°82°29°83°29°85°30°86°30°86°30°85°29°85°28°83°27°81°26°79°26°78°25°77°24°76°24°76°24°75°24°75°24°75°24°75°24°75°24°75°24°75°24°75°25°77°26°79°
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48%
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36%
78%
78%
78%
66%
66%
66%
8%
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8%
26%
26%
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Air Quality
21
Good

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

GoodHazardous
Daylight Hours

05:36

Sunrise

17:22

Sunset

11 hours 45 minutes of sunlight today
Moon

07:06

Moonrise

18:09

Moonset

Daily Forecast

Today

24°75°
30°86°

Tuesday

24°75°
30°86°

Wednesday

24°75°
30°85°

Thursday

24°75°
30°86°

Friday

23°73°
30°86°

Saturday

24°76°
29°85°

Sunday

24°75°
29°84°

Monday

24°75°
29°84°

Tuesday

24°75°
29°83°

Wednesday

24°76°
29°84°
UV Index
Wear sunscreen
5Moderate
LowExtreme
Humidity
80%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 48% 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 48% around 10:00. Cloud cover is also at its densest near 09:00 at roughly 75%.

The day peaks near 30°C and cools toward 24°C. Moisture in the air spans 69%-99%, with the highest values around 22:00. A lighter breeze peaks around 09:00 near 20 km/h.The day peaks near 86°F and cools toward 75°F. Moisture in the air spans 69%-99%, with the highest values around 22:00. A lighter breeze peaks around 09:00 near 12 mph.

Expect the wet theme to continue later, as rain odds reach 78% near 19:00. Cloud amounts hold near 82% around 23:00. Visibility holds near 15.6 km, though it can fall to 8.4 km. Expect sunrise at 05:36, sunset at 17:22, and 11 hours 45 minutes of sunlight today overall.Expect the wet theme to continue later, as rain odds reach 78% near 19:00. Cloud amounts hold near 82% around 23:00. Visibility holds near 9.7 mi, though it can fall to 5.2 mi. Expect sunrise at 05:36, sunset at 17:22, and 11 hours 45 minutes of sunlight today overall.

In short, treat October 12, 2026 in San Marcos as a damp day: pack covers, watch the wetter hours, and expect a high near 30°C.In short, treat October 12, 2026 in San Marcos as a damp day: pack covers, watch the wetter hours, and expect a high near 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 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 86°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 369 mm of precipitation.The wettest month in San Marcos is October, with an average of 14.5 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 3 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 →