San Marcos

Current Weather

26°79°

Drizzle

Feels Like: 25°76°

Min: 24°75°

Max: 30°85°

The next few hours will be overcast, with today reaching 30°C and dropping to 24°C. The coming days will be light rain throughout the day.

Hourly Forecast
27°80°26°79°26°78°25°78°25°77°25°77°25°77°25°77°25°77°25°76°25°76°24°76°24°76°24°75°25°77°26°80°28°82°27°81°27°81°27°80°26°80°26°79°26°79°25°78°
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86%
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18%
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30%
36%
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38%
38%
38%
92%
92%
92%
100%
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100%
98%
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Today
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Air Quality
19
Good

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

GoodHazardous
Daylight Hours

05:31

Sunrise

17:19

Sunset

11 hours 48 minutes of sunlight today
Moon

06:09

Moonrise

Daily Forecast

Today

24°75°
30°85°

Monday

24°74°
28°82°

Tuesday

23°73°
30°86°

Wednesday

23°73°
29°84°

Thursday

23°73°
29°85°

Friday

23°74°
30°86°

Saturday

23°74°
28°83°

Sunday

23°74°
29°84°

Monday

24°75°
29°84°

Tuesday

23°74°
29°83°
UV Index
No protection needed
0Low
LowExtreme
Humidity
94%Very Humid
LowHigh
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Weather in San Marcos today, October 11, 2026

San Marcos starts October 11, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.San Marcos starts October 11, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.

Expect highs of 30°C and cooler readings close to 24°C. Expect humidity between 89% and 96%, most humid near 21:00. Winds stay light, near 6 km/h by 21:00, so the day feels still more than breezy.Expect highs of 85°F and cooler readings close to 75°F. Expect humidity between 89% and 96%, most humid near 21:00. Winds stay light, near 4 mph by 21:00, so the day feels still more than breezy.

The second half of the day still looks unsettled, with rain probability around 86% by 17:00. Dense cloud near 97% at 18:00 keeps the feel grey. Expect visibility around 16.1 km. Expect sunrise at 05:31, sunset at 17:19, and 11 hours 48 minutes of sunlight today overall.The second half of the day still looks unsettled, with rain probability around 86% by 17:00. Dense cloud near 97% at 18:00 keeps the feel grey. Expect visibility around 10 mi. Expect sunrise at 05:31, sunset at 17:19, and 11 hours 48 minutes of sunlight today overall.

The practical takeaway for San Marcos on October 11, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 30°C.The practical takeaway for San Marcos on October 11, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 85°F.

Frequently asked questions about weather in San Marcos

How warm does it get in San Marcos?

The warmest month in San Marcos is March, with average high temperatures of 31°C. The average temperature during this period is around 27°C.The warmest month in San Marcos is March, with average high temperatures of 87°F. The average temperature during this period is around 80°F.

How cold does it get in San Marcos?

The coldest month in San Marcos is January, with average low temperatures of 23°C. The average temperature during this period is around 26°C.The coldest month in San Marcos is January, with average low temperatures of 73°F. The average temperature during this period is around 78°F.

What is the wettest time of year in San Marcos?

The wettest month in San Marcos is October, with an average of 543 mm of precipitation.The wettest month in San Marcos is October, with an average of 21.4 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 15 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 →