San Marcos, MX Weather Forecast - Airpult San Marcos ========== Guerrero, [Mexico](https://airpult.com/climate/mx) [View stargazing score](https://airpult.com/stargazing/mx/san-marcos/r51ghb0xeii6hifwt2kjn)[View climate insights](https://airpult.com/climate/mx/san-marcos/r51ghb0xeii6hifwt2kjn)[View historical weather data](https://airpult.com/history/mx/san-marcos/r51ghb0xeii6hifwt2kjn) Current Weather --------------- 30° (87°) Partly Cloudy Feels Like: 33° (92°) Min: 23° (74°) Max: 31° (88°) The next few hours will be mostly cloudy, with today reaching 31°C and dropping to 23°C. The coming days will be mostly clear throughout the day. Hourly Forecast --------------- | Time | Temperature | Rain chance | | --- | --- | --- | | 1pm | 31°C (87°F) | 0% | | 2pm | 30°C (86°F) | 0% | | 3pm | 30°C (86°F) | 0% | | 4pm | 29°C (84°F) | 0% | | 5pm | 28°C (82°F) | 0% | | 6pm | 27°C (80°F) | 0% | | 7pm | 26°C (79°F) | 0% | | 8pm | 26°C (78°F) | 0% | | 9pm | 25°C (78°F) | 0% | | 10pm | 25°C (77°F) | 0% | | 11pm | 25°C (76°F) | 0% | | 12am | 24°C (76°F) | 0% | | 1am | 24°C (75°F) | 0% | | 2am | 24°C (75°F) | 0% | | 3am | 24°C (75°F) | 0% | | 4am | 24°C (74°F) | 0% | | 5am | 23°C (74°F) | 0% | | 6am | 23°C (74°F) | 0% | | 7am | 24°C (76°F) | 0% | | 8am | 26°C (79°F) | 0% | | 9am | 27°C (81°F) | 0% | | 10am | 28°C (83°F) | 0% | | 11am | 29°C (85°F) | 0% | | 12pm | 30°C (87°F) | 0% | Air Quality ----------- 35 Good Air quality is satisfactory, and air pollution poses little or no risk. GoodHazardous Daylight Hours -------------- 06:37 Sunrise 18:04 Sunset 11 hours 26 minutes of sunlight today Moon ---- [Full Moon](https://airpult.com/astronomy/moon-phases) 06:56 Moonset Daily Forecast -------------- Today 23° (74°) 31° (88°) Tuesday 23° (74°) 30° (87°) Wednesday 23° (74°) 30° (86°) Thursday 23° (74°) 31° (87°) Friday 23° (74°) 31° (87°) Saturday 24° (75°) 30° (86°) Sunday 24° (75°) 30° (86°) Monday 24° (75°) 31° (87°) Tuesday 23° (74°) 31° (88°) Wednesday 24° (75°) 30° (87°) 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 -------- Seek shade during midday 7High LowExtreme Humidity -------- 59%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/r51ghb0xeii6hifwt2kjn) Weather in San Marcos today, October 26, 2026 --------------------------------------------- San Marcos looks cloudy on October 26, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. (San Marcos looks cloudy on October 26, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward.) Temperatures climb from an overnight low near 23°C toward a daytime high of about 31°C. Expect humidity between 58% and 89%, most humid near 23:00. Expect gentle winds, highest near 15:00 at 13 km/h. (Temperatures climb from an overnight low near 74°F toward a daytime high of about 88°F. Expect humidity between 58% and 89%, most humid near 23:00. Expect gentle winds, highest near 15:00 at 8 mph.) Through the afternoon cloud remains the main feature, with cover near 61% around 13:00. Bright spells should stay limited even as the day wears on. Horizontal visibility holds close to 16.1 km. Daylight runs from 06:37 to 18:04, lasting 11 hours 26 minutes of sunlight today. (Through the afternoon cloud remains the main feature, with cover near 61% around 13:00. Bright spells should stay limited even as the day wears on. Horizontal visibility holds close to 10 mi. Daylight runs from 06:37 to 18:04, lasting 11 hours 26 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 31°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 88°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 35°C. The average temperature during this period is around 29°C. (The warmest month in San Marcos is May, with average high temperatures of 94°F. The average temperature during this period is around 85°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 27°C. (The coldest month in San Marcos is January, with average low temperatures of 71°F. The average temperature during this period is around 80°F.) ### What is the wettest time of year in San Marcos? The wettest month in San Marcos is September, with an average of 354 mm of precipitation. (The wettest month in San Marcos is September, with an average of 13.9 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 1 mm of precipitation. (The driest month in San Marcos is February, with an average of 0 in of precipitation.) [View full climate insights for San Marcos →](https://airpult.com/climate/mx/san-marcos/r51ghb0xeii6hifwt2kjn)