Live Weather & Forecast
Weather in San Martín Chalchicuautla
San Luis Potosí, Mexico · Real-time conditions & 3-day outlook
20°C
Feels like 20°C
69°F / Feels 69°F
Mist
San Martín Chalchicuautla, San Luis Potosí
🌙 Nighttime
Updated: 2026-04-18 05:45
Humidity
94%
Wind
3.6 km/h W
Wind Gust
4 km/h
Pressure
1009 mb
Visibility
2 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
67%
Dew Point
19.3°C
Wind Degree
278°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
191.9 μg/m³
NO₂
3.3 μg/m³
O₃
127 μg/m³
SO₂
3.7 μg/m³
PM 2.5
14.9 μg/m³
PM 10
16 μg/m³
Today's Hourly Forecast
24-hour breakdown for San Martín Chalchicuautla, San Luis Potosí
12 AM
22°
Partly Cloudy
1 AM
21°
Partly Cloudy
2 AM
21°
Partly Cloudy
3 AM
21°
Partly Cloudy
4 AM
21°
Cloudy
5 AM
20°
Mist
6 AM
21°
Mist
7 AM
23°
Partly Cloudy
8 AM
25°
Partly Cloudy
9 AM
26°
Cloudy
10 AM
28°
Partly Cloudy
11 AM
30°
Sunny
12 PM
32°
Overcast
1 PM
34°
Overcast
2 PM
35°
Overcast
3 PM
35°
Sunny
4 PM
35°
Sunny
5 PM
34°
Sunny
6 PM
31°
Sunny
7 PM
28°
Sunny
8 PM
26°
Clear
9 PM
25°
Cloudy
10 PM
24°
Patchy rain nearby
11 PM
24°
Light rain
3-Day Forecast
Daily overview for San Martín Chalchicuautla, San Luis Potosí
Today
Patchy rain nearby
36°
/
20°
🌧️ 90% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 16.6 km/h
🌧️ Total precip: 1.36 mm
☀️ UV Index: 2.5
🌅 Sunrise: 07:13 AM
🌇 Sunset: 07:55 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Sun, Apr 19
Moderate rain
24°
/
20°
🌧️ 90% chance of rain
💧 Avg. humidity: 91%
💨 Max wind: 14.4 km/h
🌧️ Total precip: 12.37 mm
☀️ UV Index: 0.6
🌅 Sunrise: 07:12 AM
🌇 Sunset: 07:56 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Patchy rain nearby
29°
/
19°
🌧️ 89% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 0.82 mm
☀️ UV Index: 1.7
🌅 Sunrise: 07:12 AM
🌇 Sunset: 07:56 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit
Best Time to Visit San Martín Chalchicuautla
Plan your trip to San Martín Chalchicuautla, Mexico around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in San Martín Chalchicuautla?
Current conditions in San Martín Chalchicuautla: Mist, temperature 20°C, humidity 94%.
What is the best time to visit San Martín Chalchicuautla?
The best time to visit San Martín Chalchicuautla is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in San Martín Chalchicuautla?
San Martín Chalchicuautla is located at approximately 21.4° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in San Martín Chalchicuautla?
The wettest period in San Martín Chalchicuautla is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to San Martín Chalchicuautla?
For visits to San Martín Chalchicuautla during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is San Martín Chalchicuautla in?
San Martín Chalchicuautla is located in Mexico, in the state of San Luis Potosí.
What are the public holidays in San Martín Chalchicuautla in 2026?
View the 2026 public holidays for San Martín Chalchicuautla on our Holidays page.
What are the GPS coordinates used for the weather forecast in San Martín Chalchicuautla?
The weather forecast for San Martín Chalchicuautla uses coordinates 21.3712, -98.657.