San Marcos, MX Weather Forecast - Airpult San Marcos ========== Loreto, Zacatecas, [Mexico](https://airpult.com/climate/mx) [View stargazing score](https://airpult.com/stargazing/mx/san-marcos/dum3wu4xhhj7cs0308amo)[View climate insights](https://airpult.com/climate/mx/san-marcos/dum3wu4xhhj7cs0308amo)[View historical weather data](https://airpult.com/history/mx/san-marcos/dum3wu4xhhj7cs0308amo) Current Weather --------------- 21° (69°) Mostly Cloudy Feels Like: 19° (66°) Min: 10° (51°) Max: 21° (70°) The next few hours will be mostly cloudy, with today reaching 21°C and dropping to 12°C. The coming days will be mostly clear Hourly Forecast --------------- | Time | Temperature | Rain chance | | --- | --- | --- | | 3pm | 21°C (70°F) | 64% | | 4pm | 20°C (68°F) | 66% | | 5pm | 19°C (66°F) | 66% | | 6pm | 18°C (64°F) | 66% | | 7pm | 17°C (62°F) | 58% | | 8pm | 16°C (61°F) | 58% | | 9pm | 15°C (59°F) | 58% | | 10pm | 14°C (58°F) | 44% | | 11pm | 14°C (57°F) | 44% | | 12am | 14°C (57°F) | 44% | | 1am | 13°C (56°F) | 34% | | 2am | 13°C (55°F) | 34% | | 3am | 13°C (55°F) | 34% | | 4am | 12°C (54°F) | 34% | | 5am | 12°C (54°F) | 34% | | 6am | 12°C (54°F) | 34% | | 7am | 13°C (56°F) | 10% | | 8am | 14°C (58°F) | 10% | | 9am | 15°C (60°F) | 10% | | 10am | 17°C (63°F) | 0% | | 11am | 19°C (67°F) | 0% | | 12pm | 21°C (70°F) | 0% | | 1pm | 22°C (71°F) | 26% | | 2pm | 22°C (72°F) | 26% | Air Quality ----------- 36 Good Air quality is satisfactory, and air pollution poses little or no risk. GoodHazardous Daylight Hours -------------- 06:54 Sunrise 18:09 Sunset 11 hours 15 minutes of sunlight today Moon ---- [Full Moon](https://airpult.com/astronomy/moon-phases) 07:16 Moonset Daily Forecast -------------- Today 10° (51°) 21° (70°) Tuesday 12° (54°) 23° (73°) Wednesday 12° (54°) 21° (70°) Thursday 13° (55°) 23° (73°) Friday 12° (54°) 23° (73°) Saturday 11° (52°) 24° (76°) Sunday 11° (52°) 24° (75°) Monday 12° (53°) 25° (76°) Tuesday 13° (56°) 26° (78°) Wednesday 11° (53°) 22° (71°) Resources --------- [Ocean Currents Explained: How the Ocean Shapes Weather and Climate![Ocean Currents Explained: How the Ocean Shapes Weather and Climate](https://cdn.airpult.com/storage/mwm7r2fav9jzey9d9m9x.jpg)](https://airpult.com/resources/ocean-currents)[Rainbows Explained: Why They Form and Where to Look![Rainbows Explained: Why They Form and Where to Look](https://cdn.airpult.com/storage/0mpjzanljyy1bn930cya.png)](https://airpult.com/resources/rainbows)[How Weather Radar and Satellite Imagery Work![How Weather Radar and Satellite Imagery Work](https://cdn.airpult.com/storage/hnhdi2zur73osoon7n9y.png)](https://airpult.com/resources/radar-satellite) UV Index -------- No protection needed 2Low LowExtreme Humidity -------- 53%Comfortable LowHigh Looking at the night sky? ------------------------- See moon phases, eclipses, and seasons for this year. [View astronomy](https://airpult.com/astronomy) Current stargazing conditions? ------------------------------ See sky darkness, moon phase, and the best viewing window for San Marcos. [View stargazing score](https://airpult.com/stargazing/mx/san-marcos/dum3wu4xhhj7cs0308amo) Weather in San Marcos today, October 26, 2026 --------------------------------------------- Expect unsettled, showery conditions in San Marcos on October 26, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. (Expect unsettled, showery conditions in San Marcos on October 26, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans.) The day peaks near 21°C and cools toward 10°C. Expect humidity between 49% and 95%, most humid near 23:00. A lighter breeze peaks around 18:00 near 12 km/h. (The day peaks near 70°F and cools toward 51°F. Expect humidity between 49% and 95%, most humid near 23:00. A lighter breeze peaks around 18:00 near 7 mph.) Through the afternoon wet weather remains a factor, with rain chances near 66% around 16:00. Cloud also stays substantial, close to 73% near 15:00. Views remain open at about 16.1 km. Daylight runs from 06:54 to 18:09, lasting 11 hours 15 minutes of sunlight today. (Through the afternoon wet weather remains a factor, with rain chances near 66% around 16:00. Cloud also stays substantial, close to 73% near 15:00. Views remain open at about 10 mi. Daylight runs from 06:54 to 18:09, lasting 11 hours 15 minutes of sunlight today.) Overall, San Marcos on October 26, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 66% and the high sits around 21°C. (Overall, San Marcos on October 26, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 66% and the high sits around 70°F.) [Powered by Airpult](https://platform.airpult.com) Frequently asked questions about weather in San Marcos ------------------------------------------------------ ### How warm does it get in San Marcos? The warmest month in San Marcos is May, with average high temperatures of 30°C. The average temperature during this period is around 23°C. (The warmest month in San Marcos is May, with average high temperatures of 86°F. The average temperature during this period is around 73°F.) ### How cold does it get in San Marcos? The coldest month in San Marcos is January, with average low temperatures of 6°C. The average temperature during this period is around 13°C. (The coldest month in San Marcos is January, with average low temperatures of 43°F. The average temperature during this period is around 56°F.) ### What is the wettest time of year in San Marcos? The wettest month in San Marcos is July, with an average of 113 mm of precipitation. (The wettest month in San Marcos is July, with an average of 4.5 in of precipitation.) ### What is the driest time of year in San Marcos? The driest month in San Marcos is March, with an average of 3 mm of precipitation. (The driest month in San Marcos is March, with an average of 0.1 in of precipitation.) [View full climate insights for San Marcos →](https://airpult.com/climate/mx/san-marcos/dum3wu4xhhj7cs0308amo)