San Marcos weather
At 7:30 PM local time it was clear and 23°C (73°F). Little to no rain in the next 24 hours. Best months for weather: Feb–Apr, Oct–Nov. San Marcos sits 193 m (633 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for San Marcos, Texas, United States.
Current conditions
- Clouds
- 0%
- Chance of rain
- 1%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season Feb–Apr, Oct–NovOff season Jul–Aug, Jan
About San Marcos weather
Is it raining in San Marcos right now?
No. It’s clear and 23° right now. Little to no rain in the next 24 hours.
What’s the weather like in San Marcos this week?
Over the next 7 days, expect highs of 24–31° and lows of 13–19°. Rain is likely on 1 of 7 days (Tuesday). The driest day looks like Sunday.
Has it been raining in San Marcos lately?
In the past 7 days, San Marcos had 2 rainy days and 21.0 mm of rain in total.
What should I pack for San Marcos?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
San Marcos weather by month
When is the best time to visit San Marcos?
Based on weather alone, the best time to visit San Marcos is Feb–Apr, Oct–Nov, according to NASA's 2001–2025 climate averages. Jul–Aug, Jan tends to be the least pleasant. Average highs run from 16°C (60°F) in January to 36°C (96°F) in August.
What is the rainiest month in San Marcos?
May is the wettest month, with about 111 mm (4.4 in) of rain on average. February is the driest, with about 38 mm (1.5 in).
What is the hottest month in San Marcos?
August is the warmest, with average highs of 36°C (96°F) and lows of 24°C (74°F). January is the coolest, with highs of 16°C (60°F) and lows of 3°C (38°F).
Does San Marcos have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is May at about 111 mm (4.4 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months