Weather forecast for 10 daysMerida, Mexico

Weather forecast for the weekend

Sunday 18. Oct 2026

  • 30°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 76%
  • Precipitation: 0mm
  • Wind: 13km/hNE 45°
  • Humidity: 84%
  • UV index: 9
  • Sunrise: 5:54 am CST
  • Sunset: 5:31 pm CST
  • ▼
On Sunday, in Merida, passing thunderstorms may develop after midday.
Minimal precipitation is expected for today. Temperature fluctuations between a tropical 30°C and a temperate 23°C are predicted.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is computed to be a torrid 39°C. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Forecasts show the temperature predicted to reach the usual October high of 31.5°C.
Sunrise will be at 5:54 am and sunset at 5:31 pm; the daylight will last for 11h and 37min.

10-day overview

Daily temperatures

Warmest day: tomorrow 32°C.
Minimum temperature: 30°C.

Chance of precipitation

Highest chance: today 76%.

Long-term weather forecast

  • Sunday
  • 18. Oct 2026
  • 30°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 76%
  • Precipitation: 0mm
  • Wind: 13km/hNE 45°
  • Humidity: 84%
  • UV index: 9
  • Sunrise: 5:54 am CST
  • Sunset: 5:31 pm CST
  • ▼
  • Monday
  • 19. Oct 2026
  • 32°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 66%
  • Precipitation: 6mm
  • Wind: 12km/hENE 60°
  • Humidity: 82%
  • UV index: 9
  • Sunrise: 5:55 am CST
  • Sunset: 5:31 pm CST
  • ▼
  • Tuesday
  • 20. Oct 2026
  • 31°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 62%
  • Precipitation: 3mm
  • Wind: 15km/hENE 57°
  • Humidity: 82%
  • UV index: 8
  • Sunrise: 5:55 am CST
  • Sunset: 5:30 pm CST
  • ▼
  • Wednesday
  • 21. Oct 2026
  • 30°C
  • 21°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 40%
  • Precipitation: 3mm
  • Wind: 17km/hNE 48°
  • Humidity: 76%
  • UV index: 10
  • Sunrise: 5:56 am CST
  • Sunset: 5:29 pm CST
  • ▼
  • Thursday
  • 22. Oct 2026
  • 31°C
  • 21°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 2mm
  • Wind: 17km/hNE 36°
  • Humidity: 69%
  • UV index: 10
  • Sunrise: 5:56 am CST
  • Sunset: 5:29 pm CST
  • ▼
  • Friday
  • 23. Oct 2026
  • 30°C
  • 21°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 15km/hNNE 31°
  • Humidity: 70%
  • UV index: 10
  • Sunrise: 5:56 am CST
  • Sunset: 5:28 pm CST
  • ▼
  • Saturday
  • 24. Oct 2026
  • 31°C
  • 20°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 16km/hNE 46°
  • Humidity: 72%
  • UV index: 9
  • Sunrise: 5:57 am CST
  • Sunset: 5:27 pm CST
  • ▼
  • Sunday
  • 25. Oct 2026
  • 31°C
  • 21°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 15km/hNE 37°
  • Humidity: 70%
  • UV index: 9
  • Sunrise: 5:57 am CST
  • Sunset: 5:27 pm CST
  • ▼
  • Monday
  • 26. Oct 2026
  • 30°C
  • 20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 15km/hNE 40°
  • Humidity: 70%
  • UV index: 9
  • Sunrise: 5:58 am CST
  • Sunset: 5:26 pm CST
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 31°C
  • 20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 14km/hNE 46°
  • Humidity: 70%
  • UV index: 9
  • Sunrise: 5:58 am CST
  • Sunset: 5:25 pm CST
  • ▼
Models point to a combination of stormy, gloomy and sunny weather is predicted.
Rainfall is predicted for Monday through Thursday.
Temperature variation will be minimal during the next few days. Expected highs will hover between 30°C and 32°C, while nighttime temperatures are expected to vary from 20°C to 24°C.
The hottest day will be Monday, with a maximum of 32°C; the coldest days will be Sunday, Wednesday, Friday and next Monday, with a maximum of 30°C.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and vary between a fiery hot 35°C and a dangerously hot 45°C.
Updated: Oct 18, 2026 @ 07:03:35 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, rain with scattered lightning is expected during the afternoon.

There is a high possibility of rainfall, but with minimal precipitation.

Today, the highest temperature will be 30°C, while the lowest temperature will be 23°C. The maximum heat index, which combines air temperature and relative humidity, is computed to be 39°C.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature today will be also in line with the average low temperature.

On Sunday, in Merida, sunrise will be at 5:54 am and sunset at 5:31 pm (CST).

In Merida, today, there will be 11h and 37min of daylight.