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San Marcos weather
Current conditions and a 14-day forecast for San Marcos, United States. Looking for typical seasonal weather instead? See the historical climate averages.
Now
22°C
Overcast · feels 25°C
Humidity
97%
relative humidity
Wind
12 km/h
10m wind speed
Chance of rain
80%
today
Next 24 hours in San Marcos
| Time | Conditions | Temp | Rain chance |
|---|---|---|---|
| 12pm | Heavy rain | 21°C | 64% |
| 1pm | Light drizzle | 22°C | 52% |
| 2pm | Overcast | 25°C | 51% |
| 3pm | Overcast | 26°C | 55% |
| 4pm | Overcast | 27°C | 46% |
| 5pm | Moderate rain showers | 26°C | 40% |
| 6pm | Moderate drizzle | 26°C | 30% |
| 7pm | Overcast | 25°C | 15% |
| 8pm | Overcast | 25°C | 18% |
| 9pm | Light drizzle | 25°C | 14% |
| 10pm | Overcast | 24°C | 12% |
| 11pm | Overcast | 24°C | 8% |
| 12am | Overcast | 23°C | 8% |
| 1am | Overcast | 23°C | 8% |
| 2am | Overcast | 23°C | 9% |
| 3am | Overcast | 23°C | 15% |
| 4am | Overcast | 23°C | 25% |
| 5am | Overcast | 23°C | 29% |
| 6am | Dense drizzle | 23°C | 24% |
| 7am | Overcast | 23°C | 31% |
| 8am | Overcast | 23°C | 23% |
| 9am | Overcast | 24°C | 21% |
| 10am | Overcast | 25°C | 16% |
| 11am | Overcast | 26°C | 18% |
14-day forecast for San Marcos
| Day | Conditions | High / Low | Rain chance |
|---|---|---|---|
| Today | Violent rain showers | 27° / 21° | 80% |
| Thu, Jul 16 | Dense drizzle | 29° / 23° | 31% |
| Fri, Jul 17 | Light drizzle | 31° / 22° | 24% |
| Sat, Jul 18 | Light drizzle | 32° / 23° | 2% |
| Sun, Jul 19 | Partly cloudy | 34° / 22° | 0% |
| Mon, Jul 20 | Mainly clear | 34° / 22° | 0% |
| Tue, Jul 21 | Overcast | 35° / 22° | 1% |
| Wed, Jul 22 | Clear sky | 35° / 22° | 2% |
| Thu, Jul 23 | Mainly clear | 36° / 22° | 2% |
| Fri, Jul 24 | Clear sky | 36° / 22° | 4% |
| Sat, Jul 25 | Overcast | 35° / 22° | 5% |
| Sun, Jul 26 | Overcast | 36° / 21° | 3% |
| Mon, Jul 27 | Overcast | 36° / 22° | 3% |
| Tue, Jul 28 | Overcast | 37° / 23° | 3% |
Want more sun and moon detail for San Marcos? Use the sun calculator or moon calculator and search for San Marcos. For a live look at any other city, try the interactive weather tool.
Frequently asked questions
What's the weather like in San Marcos today?
Current conditions and today's forecast for San Marcos, United States are shown above, refreshed regularly through the day.
How accurate is a 14-day forecast?
A forecast is most reliable for the next 3-5 days. Beyond that, temperature and precipitation chances further out are a general trend rather than an exact prediction.
What is San Marcos's weather usually like?
For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see San Marcos's climate page rather than this live forecast.