Live Weather & Forecast
Weather in San Marcos
Guerrero, Mexico · Real-time conditions & 3-day outlook
26°C
Feels like 28°C
79°F / Feels 82°F
Overcast
San Marcos, Guerrero
🌞 Daytime
Updated: 2026-04-11 16:45
Humidity
67%
Wind
20.2 km/h ESE
Wind Gust
28.7 km/h
Pressure
1019 mb
Visibility
16 km
UV Index
1.4
(Low)
Precipitation
0.03 mm
Cloud Cover
100%
Dew Point
22.5°C
Wind Degree
114°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
148.9 μg/m³
NO₂
4.8 μg/m³
O₃
70 μg/m³
SO₂
1.3 μg/m³
PM 2.5
3.1 μg/m³
PM 10
3.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for San Marcos, Guerrero
12 AM
21°
Overcast
1 AM
21°
Overcast
2 AM
20°
Overcast
3 AM
20°
Patchy rain nearby
4 AM
20°
Patchy rain nearby
5 AM
20°
Patchy rain nearby
6 AM
20°
Overcast
7 AM
20°
Overcast
8 AM
21°
Mist
9 AM
21°
Patchy rain nearby
10 AM
22°
Overcast
11 AM
23°
Cloudy
12 PM
24°
Partly Cloudy
1 PM
26°
Partly Cloudy
2 PM
28°
Sunny
3 PM
28°
Patchy rain nearby
4 PM
26°
Overcast
5 PM
27°
Partly Cloudy
6 PM
25°
Patchy rain nearby
7 PM
24°
Moderate rain at times
8 PM
23°
Patchy rain nearby
9 PM
22°
Partly Cloudy
10 PM
21°
Clear
11 PM
21°
Clear
3-Day Forecast
Daily overview for San Marcos, Guerrero
Today
Patchy rain nearby
29°
/
20°
🌧️ 84% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 28.1 km/h
🌧️ Total precip: 4.7 mm
☀️ UV Index: 1.5
🌅 Sunrise: 07:09 AM
🌇 Sunset: 07:57 PM
🌙 Waning Crescent
🌑 Moon: 42% lit
Sun, Apr 12
Patchy rain nearby
27°
/
20°
🌧️ 86% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 33.8 km/h
🌧️ Total precip: 3.43 mm
☀️ UV Index: 1.4
🌅 Sunrise: 07:08 AM
🌇 Sunset: 07:57 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
30°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 27 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.3
🌅 Sunrise: 07:07 AM
🌇 Sunset: 07:58 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Best Time to Visit San Marcos
Plan your trip to San Marcos, Mexico around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
People also ask — answers optimized for search engines and voice queries.
What is the current weather in San Marcos?
Current conditions in San Marcos: Overcast, temperature 26°C, humidity 67%.
What is the best time to visit San Marcos?
The best time to visit San Marcos is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in San Marcos?
San Marcos is located at approximately 29.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in San Marcos?
The wettest period in San Marcos is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to San Marcos?
For visits to San Marcos during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in San Marcos in 2026?
View the 2026 public holidays for San Marcos on our Holidays page.
What are the GPS coordinates used for the weather forecast in San Marcos?
The weather forecast for San Marcos uses coordinates 29.8826, -97.9406.