San Marcos, MX Weather Forecast - Airpult San Marcos ========== Xochistlahuaca, Guerrero, [Mexico](https://airpult.com/climate/mx) [View stargazing score](https://airpult.com/stargazing/mx/san-marcos/vtc4g77r52igw1lhqb1pf)[View climate insights](https://airpult.com/climate/mx/san-marcos/vtc4g77r52igw1lhqb1pf)[View historical weather data](https://airpult.com/history/mx/san-marcos/vtc4g77r52igw1lhqb1pf) Current Weather --------------- 29° (84°) Mostly Cloudy Feels Like: 31° (87°) Min: 21° (69°) Max: 30° (86°) The next few hours will be humid and mostly cloudy, with today reaching 30°C and dropping to 20°C. The coming days will be possible thunderstorms from afternoon until night. Hourly Forecast --------------- | Time | Temperature | Rain chance | | --- | --- | --- | | 1pm | 29°C (85°F) | 0% | | 2pm | 29°C (84°F) | 0% | | 3pm | 29°C (84°F) | 0% | | 4pm | 27°C (81°F) | 0% | | 5pm | 26°C (79°F) | 14% | | 6pm | 25°C (77°F) | 14% | | 7pm | 24°C (76°F) | 10% | | 8pm | 24°C (75°F) | 10% | | 9pm | 23°C (74°F) | 10% | | 10pm | 23°C (73°F) | 0% | | 11pm | 22°C (72°F) | 0% | | 12am | 22°C (72°F) | 0% | | 1am | 22°C (71°F) | 0% | | 2am | 21°C (70°F) | 0% | | 3am | 21°C (70°F) | 0% | | 4am | 21°C (69°F) | 0% | | 5am | 20°C (69°F) | 0% | | 6am | 20°C (68°F) | 0% | | 7am | 22°C (72°F) | 0% | | 8am | 24°C (76°F) | 0% | | 9am | 26°C (79°F) | 0% | | 10am | 27°C (81°F) | 0% | | 11am | 28°C (83°F) | 0% | | 12pm | 29°C (85°F) | 0% | Air Quality ----------- 33 Good Air quality is satisfactory, and air pollution poses little or no risk. GoodHazardous Daylight Hours -------------- 06:33 Sunrise 18:00 Sunset 11 hours 26 minutes of sunlight today Moon ---- [Full Moon](https://airpult.com/astronomy/moon-phases) 06:52 Moonset Daily Forecast -------------- Today 21° (69°) 30° (86°) Tuesday 20° (68°) 29° (85°) Wednesday 21° (70°) 29° (85°) Thursday 20° (68°) 30° (85°) Friday 21° (69°) 29° (85°) Saturday 21° (70°) 30° (85°) Sunday 22° (72°) 28° (83°) Monday 22° (71°) 30° (85°) Tuesday 21° (70°) 29° (85°) Wednesday 22° (71°) 30° (85°) 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 -------- 58%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/vtc4g77r52igw1lhqb1pf) Weather in San Marcos today, October 26, 2026 --------------------------------------------- San Marcos looks damp on October 26, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. (San Marcos looks damp on October 26, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly.) The temperature range runs from about 21°C up to 30°C. The air stays humid, with relative humidity between 54% and 95% and the peak around 23:00. A lighter breeze peaks around 15:00 near 11 km/h. (The temperature range runs from about 69°F up to 86°F. The air stays humid, with relative humidity between 54% and 95% and the peak around 23:00. A lighter breeze peaks around 15:00 near 7 mph.) The afternoon keeps an overcast feel, as cloud reaches about 70% around 18:00. Outdoor plans may still want a flexible backup. Visibility stays near 16.1 km. Expect sunrise at 06:33, sunset at 18:00, and 11 hours 26 minutes of sunlight today overall. (The afternoon keeps an overcast feel, as cloud reaches about 70% around 18:00. Outdoor plans may still want a flexible backup. Visibility stays near 10 mi. Expect sunrise at 06:33, sunset at 18:00, and 11 hours 26 minutes of sunlight today overall.) The practical takeaway for San Marcos on October 26, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 30°C. (The practical takeaway for San Marcos on October 26, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 86°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 April, with average high temperatures of 36°C. The average temperature during this period is around 28°C. (The warmest month in San Marcos is April, with average high temperatures of 97°F. The average temperature during this period is around 82°F.) ### How cold does it get in San Marcos? The coldest month in San Marcos is January, with average low temperatures of 18°C. The average temperature during this period is around 25°C. (The coldest month in San Marcos is January, with average low temperatures of 64°F. The average temperature during this period is around 77°F.) ### What is the wettest time of year in San Marcos? The wettest month in San Marcos is September, with an average of 459 mm of precipitation. (The wettest month in San Marcos is September, with an average of 18.1 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 4 mm of precipitation. (The driest month in San Marcos is February, with an average of 0.1 in of precipitation.) [View full climate insights for San Marcos →](https://airpult.com/climate/mx/san-marcos/vtc4g77r52igw1lhqb1pf)