See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
30°
Overcast
Feels Like: 34°
Min: 24°
Max: 32°
The next few hours will be overcast, with today reaching 32°C and dropping to 25°C. The coming days will be light rain throughout the day and possible thunderstorms from afternoon until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:37
Sunrise
18:37
Sunset
Moon
Waxing Gibbous
14:48
Moonrise
01:09
Moonset
Daily Forecast
Today
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Air Quality Data Available
Upgrade to access real-time air quality data for Petatlán.
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Petatlán.
View stargazing scoreWeather in Petatlán today, September 20, 2026
Petatlán starts September 20, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Early hours look the most unsettled, with rain probability near 26% by 10:00. The thickest cloud arrives around 09:00, reaching about 90%.
The temperature range runs from about 24°C up to 32°C. Moisture in the air spans 62%-89%, with the highest values around 21:00. Airflow remains manageable, reaching about 2.8 km/h around 12:00.
Afternoon showers stay in play, peaking near 80% around 16:00. Skies remain cluttered, with cover about 98% by 21:00. Views remain open at about 16.1 km. Expect sunrise at 06:37, sunset at 18:37, and 12 hours 0 minutes of sunlight today overall.
The practical takeaway for Petatlán on September 20, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 32°C.
Frequently asked questions about weather in Petatlán
How warm does it get in Petatlán?
The warmest month in Petatlán is July, with average high temperatures of 30°C. The average temperature during this period is around 27°C.
How cold does it get in Petatlán?
The coldest month in Petatlán is February, with average low temperatures of 20°C. The average temperature during this period is around 24°C.
What is the wettest time of year in Petatlán?
The wettest month in Petatlán is September, with an average of 344mm of precipitation.
What is the driest time of year in Petatlán?
The driest month in Petatlán is April, with an average of 0mm of precipitation.
Explore more weather forecasts
- Ixtapa-Zihuatanejo, Estado de Guerrero
- Mexico City, Ciudad de México
- Técpan de Galeana, Estado de Guerrero
- Tijuana, Estado de Baja California
- Atoyac de Álvarez, Estado de Guerrero
- Iztapalapa, Ciudad de México
- Ciudad Altamirano, Estado de Guerrero
- León de los Aldama, Estado de Guanajuato
- Arcelia, Estado de Guerrero
- Puebla, Estado de Puebla
- Coyuca de Benítez, Estado de Guerrero
- Ecatepec de Morelos, Estado de México
- Acapulco de Juárez, Estado de Guerrero
- Santiago de Querétaro, Estado de Querétaro
- Chichihualco, Estado de Guerrero
- Ciudad Juárez, Estado de Chihuahua
