San Marcos, MX Weather Forecast - Airpult San Marcos ========== Cintalapa, Chiapas, [Mexico](https://airpult.com/climate/mx) [View stargazing score](https://airpult.com/stargazing/mx/san-marcos/pcrb9p2o9682g65dt1yd3)[View climate insights](https://airpult.com/climate/mx/san-marcos/pcrb9p2o9682g65dt1yd3)[View historical weather data](https://airpult.com/history/mx/san-marcos/pcrb9p2o9682g65dt1yd3) Current Weather --------------- 25° (78°) Partly Cloudy Feels Like: 25° (77°) Min: 17° (63°) Max: 27° (80°) The next few hours will be mostly cloudy, with today reaching 27°C and dropping to 18°C. The coming days will be drizzle until afternoon, returning overnight. Hourly Forecast --------------- | Time | Temperature | Rain chance | | --- | --- | --- | | 3pm | 27°C (80°F) | 0% | | 4pm | 25°C (77°F) | 0% | | 5pm | 23°C (74°F) | 0% | | 6pm | 22°C (71°F) | 0% | | 7pm | 21°C (70°F) | 0% | | 8pm | 20°C (69°F) | 0% | | 9pm | 20°C (67°F) | 0% | | 10pm | 19°C (67°F) | 0% | | 11pm | 19°C (66°F) | 0% | | 12am | 19°C (66°F) | 0% | | 1am | 18°C (65°F) | 6% | | 2am | 18°C (65°F) | 6% | | 3am | 18°C (64°F) | 6% | | 4am | 18°C (64°F) | 10% | | 5am | 18°C (64°F) | 10% | | 6am | 18°C (64°F) | 10% | | 7am | 19°C (66°F) | 8% | | 8am | 20°C (69°F) | 8% | | 9am | 22°C (71°F) | 8% | | 10am | 23°C (74°F) | 0% | | 11am | 25°C (77°F) | 0% | | 12pm | 27°C (81°F) | 0% | | 1pm | 27°C (81°F) | 0% | | 2pm | 27°C (81°F) | 6% | Air Quality ----------- 32 Good Air quality is satisfactory, and air pollution poses little or no risk. GoodHazardous Daylight Hours -------------- 06:15 Sunrise 17:42 Sunset 11 hours 27 minutes of sunlight today Moon ---- [Full Moon](https://airpult.com/astronomy/moon-phases) 06:33 Moonset Daily Forecast -------------- Today 17° (63°) 27° (80°) Tuesday 18° (64°) 28° (82°) Wednesday 19° (67°) 28° (83°) Thursday 19° (67°) 29° (84°) Friday 19° (67°) 29° (84°) Saturday 17° (62°) 30° (85°) Sunday 21° (70°) 29° (84°) Monday 21° (69°) 29° (85°) Tuesday 19° (65°) 31° (87°) Wednesday 21° (70°) 29° (84°) 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 -------- Wear sunscreen 4Moderate 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/pcrb9p2o9682g65dt1yd3) Weather in San Marcos today, October 26, 2026 --------------------------------------------- Expect a muted, overcast feel in San Marcos on October 26, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. (Expect a muted, overcast feel in San Marcos on October 26, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief.) Temperatures climb from an overnight low near 17°C toward a daytime high of about 27°C. Relative humidity sits between 48% and 91%, reaching its peak around 22:00. A lighter breeze peaks around 15:00 near 23 km/h. (Temperatures climb from an overnight low near 63°F toward a daytime high of about 80°F. Relative humidity sits between 48% and 91%, reaching its peak around 22:00. A lighter breeze peaks around 15:00 near 14 mph.) Expect persistent cloud later on, with amounts around 69% by 23:00. Sunshine remains the exception, not the rule. Visibility stays near 16.1 km. Sunrise is at 06:15 and sunset at 17:42, giving 11 hours 27 minutes of sunlight today. (Expect persistent cloud later on, with amounts around 69% by 23:00. Sunshine remains the exception, not the rule. Visibility stays near 10 mi. Sunrise is at 06:15 and sunset at 17:42, giving 11 hours 27 minutes of sunlight today.) Overall, San Marcos on October 26, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 27°C. (Overall, San Marcos on October 26, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 80°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 32°C. The average temperature during this period is around 26°C. (The warmest month in San Marcos is May, with average high temperatures of 89°F. The average temperature during this period is around 78°F.) ### How cold does it get in San Marcos? The coldest month in San Marcos is January, with average low temperatures of 16°C. The average temperature during this period is around 21°C. (The coldest month in San Marcos is January, with average low temperatures of 62°F. The average temperature during this period is around 69°F.) ### What is the wettest time of year in San Marcos? The wettest month in San Marcos is June, with an average of 216 mm of precipitation. (The wettest month in San Marcos is June, with an average of 8.5 in of precipitation.) ### What is the driest time of year in San Marcos? The driest month in San Marcos is January, with an average of 6 mm of precipitation. (The driest month in San Marcos is January, with an average of 0.3 in of precipitation.) [View full climate insights for San Marcos →](https://airpult.com/climate/mx/san-marcos/pcrb9p2o9682g65dt1yd3)