San Marcos
25°78°
Drizzle
Feels Like: 28°82°
Min: 21°70°
Max: 27°80°
The next few hours will be humid and overcast, with today reaching 27°C and dropping to 22°C. The coming days will be light rain throughout the day and possible thunderstorms in the afternoon.
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Air quality is satisfactory, and air pollution poses little or no risk.
05:37
Sunrise
17:23
Sunset
07:08
Moonrise
18:09
Moonset
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View stargazing scoreWeather 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. The morning carries the wetter risk, with rain chances near 76% and the highest odds around 10:00. Cloud is also thick early on, peaking near 83% around 09:00.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. The morning carries the wetter risk, with rain chances near 76% and the highest odds around 10:00. Cloud is also thick early on, peaking near 83% around 09:00.
The day peaks near 27°C and cools toward 21°C. Relative humidity sits between 74% and 98%, reaching its peak around 21:00. A lighter breeze peaks around 09:00 near 14 km/h.The day peaks near 80°F and cools toward 70°F. Relative humidity sits between 74% and 98%, reaching its peak around 21:00. A lighter breeze peaks around 09:00 near 9 mph.
Expect the wet theme to continue later, as rain odds reach 94% near 13:00. Cloud amounts hold near 84% around 23:00. Visibility stays generally good near 15.6 km on average, though it can drop toward 8.2 km in thicker cloud or showers. Daylight runs from 05:37 to 17:23, lasting 11 hours 45 minutes of sunlight today.Expect the wet theme to continue later, as rain odds reach 94% near 13:00. Cloud amounts hold near 84% around 23:00. Visibility stays generally good near 9.7 mi on average, though it can drop toward 5.1 mi in thicker cloud or showers. Daylight runs from 05:37 to 17:23, lasting 11 hours 45 minutes of sunlight today.
Taken together, San Marcos looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 27°C.Taken together, San Marcos looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 80°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 34°C. The average temperature during this period is around 28°C.The warmest month in San Marcos is April, with average high temperatures of 93°F. The average temperature during this period is around 83°F.
How cold does it get in San Marcos?
The coldest month in San Marcos is January, with average low temperatures of 22°C. The average temperature during this period is around 26°C.The coldest month in San Marcos is January, with average low temperatures of 71°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 416 mm of precipitation.The wettest month in San Marcos is October, with an average of 16.4 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 3 mm of precipitation.The driest month in San Marcos is February, with an average of 0.1 in of precipitation.