Weather forecast for 10 daysSan Ignacio, Belize

Weather forecast for the weekend

Sunday 18. Oct 2026

  • 28°C
  • 22°C
Heavy Rain
Heavy Rain
  • Precip. probability: 100%
  • Precipitation: 38mm
  • Wind: 12km/hNNE 30°
  • Humidity: 94%
  • UV index: 5
  • Sunrise: 05:50 CST
  • Sunset: 17:32 CST
  • ▼
Today, on Sunday, 18th of October, heavy rain showers are expected, making for a wet and stormy day.
Intense precipitation of 38mm is predicted. Anticipated temperature values will span from a moderately hot 28°C down to an agreeable 22°C.
The maximum heat index, which combines air temperature and relative humidity, is assessed at a tropical 34°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Sunrise will be at 05:50 and sunset at 17:32; the daylight will last for 11h and 43min.

10-day overview

Daily temperatures

Warmest period: Friday - Monday 31°C.
Coldest day: today 28°C.

Chance of precipitation

Highest chance: today 100%.

Long-term weather forecast

  • Sunday
  • 18. Oct 2026
  • 28°C
  • 22°C
Heavy Rain
Heavy Rain
  • Precip. probability: 100%
  • Precipitation: 38mm
  • Wind: 12km/hNNE 30°
  • Humidity: 94%
  • UV index: 5
  • Sunrise: 05:50 CST
  • Sunset: 17:32 CST
  • ▼
  • Monday
  • 19. Oct 2026
  • 29°C
  • 22°C
Rain / Thunder
Rain / Thunder
  • Precip. probability: 74%
  • Precipitation: 13mm
  • Wind: 12km/hNNE 31°
  • Humidity: 87%
  • UV index: 7
  • Sunrise: 05:50 CST
  • Sunset: 17:32 CST
  • ▼
  • Tuesday
  • 20. Oct 2026
  • 30°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 65%
  • Precipitation: 5mm
  • Wind: 11km/hNNE 16°
  • Humidity: 83%
  • UV index: 10
  • Sunrise: 05:50 CST
  • Sunset: 17:31 CST
  • ▼
  • Wednesday
  • 21. Oct 2026
  • 30°C
  • 22°C
Thunderstorms
Thunderstorms
  • Precip. probability: 75%
  • Precipitation: 9mm
  • Wind: 9km/hN 359°
  • Humidity: 84%
  • UV index: 8
  • Sunrise: 05:50 CST
  • Sunset: 17:30 CST
  • ▼
  • Thursday
  • 22. Oct 2026
  • 29°C
  • 21°C
Thundershowers
Thundershowers
  • Precip. probability: 77%
  • Precipitation: 7mm
  • Wind: 10km/hN 8°
  • Humidity: 85%
  • UV index: 10
  • Sunrise: 05:51 CST
  • Sunset: 17:30 CST
  • ▼
  • Friday
  • 23. Oct 2026
  • 31°C
  • 19°C
Showers
Showers
  • Precip. probability: 36%
  • Precipitation: 2mm
  • Wind: 10km/hNNW 343°
  • Humidity: 75%
  • UV index: 10
  • Sunrise: 05:51 CST
  • Sunset: 17:29 CST
  • ▼
  • Saturday
  • 24. Oct 2026
  • 31°C
  • 20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0mm
  • Wind: 9km/hN 352°
  • Humidity: 70%
  • UV index: 11
  • Sunrise: 05:51 CST
  • Sunset: 17:29 CST
  • ▼
  • Sunday
  • 25. Oct 2026
  • 31°C
  • 19°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 10km/hN 358°
  • Humidity: 71%
  • UV index: 10
  • Sunrise: 05:52 CST
  • Sunset: 17:28 CST
  • ▼
  • Monday
  • 26. Oct 2026
  • 31°C
  • 20°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 10km/hNNW 347°
  • Humidity: 70%
  • UV index: 8
  • Sunrise: 05:52 CST
  • Sunset: 17:28 CST
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 30°C
  • 20°C
PM Showers
PM Showers
  • Precip. probability: 33%
  • Precipitation: 1mm
  • Wind: 9km/hN 355°
  • Humidity: 73%
  • UV index: 8
  • Sunrise: 05:52 CST
  • Sunset: 17:27 CST
  • ▼
Looking ahead, conditions suggest a period of unstable, rain-soaked and cloudy weather is expected.
Rainfall is predicted for Sunday through Friday and next Tuesday.
The maximum temperature will be very similar in the upcoming days. Maximum temperatures will fall between 28°C and 31°C, while the lowest nighttime temperatures will be also relatively consistent, as the minimum temperature will fluctuate between 19°C and 22°C.
With a maximum temperature of 31°C, Friday through next Monday will be the hottest days in San Ignacio, Belize; today is the coldest day, with a maximum temperature of 28°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase substantially and vary between a blazing 34°C and a torrid 39°C.
Updated: Oct 18, 2026 @ 11:26:15 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, soaking rainfall is anticipated, making for a dreary and wet atmosphere.

Yes, it will rain today. Beware - heavy precipitation of 38mm is forecasted.

Today, the maximum temperature will be 28°C, while the minimum temperature will be 22°C. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is assessed at 34°C.

On Sunday, in San Ignacio, sunrise will be at 05:50 and sunset at 17:32 (CST).

In San Ignacio, Belize, the length of the day today will be 11h and 43min.