Weather forecast for 10 daysPuerto Rico, USA

Weather forecast for the weekend

Sunday Oct 25, 2026

  • 91°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 15mphSE 126°
  • Humidity: 66%
  • UV index: 10
  • Sunrise: 6:21 am AST
  • Sunset: 5:55 pm AST
  • ▼
Today, on Sunday, October 25, occasional clouds will pass by, but expect bright spells.
The temperature scale will run from a maximum of a blazing 91.4°F to a minimum of a temperate 80.6°F.
The maximum heat index, which combines relative humidity and air temperature, is assessed at an extremely hot 107.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The forecasted temperature is slightly warmer than October's regular maximum of 84.6°F.
Sunrise was at 6:21 am and sunset will be at 5:55 pm; the daylight will last for 11h and 34min.

Long-term weather forecast

  • Sunday
  • Oct 25, 2026
  • 91°F
  • 81°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 15mphSE 126°
  • Humidity: 66%
  • UV index: 10
  • Sunrise: 6:21 am AST
  • Sunset: 5:55 pm AST
  • ▼
  • Monday
  • Oct 26, 2026
  • 91°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 14mphSE 125°
  • Humidity: 66%
  • UV index: 10
  • Sunrise: 6:21 am AST
  • Sunset: 5:54 pm AST
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 90°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 14mphESE 117°
  • Humidity: 68%
  • UV index: 9
  • Sunrise: 6:22 am AST
  • Sunset: 5:54 pm AST
  • ▼
  • Wednesday
  • Oct 28, 2026
  • 90°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 14mphE 94°
  • Humidity: 68%
  • UV index: 10
  • Sunrise: 6:22 am AST
  • Sunset: 5:53 pm AST
  • ▼
  • Thursday
  • Oct 29, 2026
  • 90°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 14mphESE 103°
  • Humidity: 67%
  • UV index: 10
  • Sunrise: 6:22 am AST
  • Sunset: 5:53 pm AST
  • ▼
  • Friday
  • Oct 30, 2026
  • 90°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 13mphE 96°
  • Humidity: 68%
  • UV index: 10
  • Sunrise: 6:23 am AST
  • Sunset: 5:52 pm AST
  • ▼
  • Saturday
  • Oct 31, 2026
  • 88°F
  • 79°F
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 0.16"
  • Wind: 12mphE 91°
  • Humidity: 70%
  • UV index: 8
  • Sunrise: 6:23 am AST
  • Sunset: 5:52 pm AST
  • ▼
  • Sunday
  • Nov 1, 2026
  • 88°F
  • 79°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 0.2"
  • Wind: 12mphE 90°
  • Humidity: 73%
  • UV index: 8
  • Sunrise: 6:24 am AST
  • Sunset: 5:51 pm AST
  • ▼
  • Monday
  • Nov 2, 2026
  • 88°F
  • 77°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 0.24"
  • Wind: 11mphE 98°
  • Humidity: 74%
  • UV index: 8
  • Sunrise: 6:24 am AST
  • Sunset: 5:51 pm AST
  • ▼
  • Tuesday
  • Nov 3, 2026
  • 86°F
  • 77°F
Thunderstorms
Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 0.28"
  • Wind: 11mphE 100°
  • Humidity: 75%
  • UV index: 8
  • Sunrise: 6:25 am AST
  • Sunset: 5:50 pm AST
  • ▼
For the next ten days, a combination of cloudy, thunderstorm-prone and showery weather is forecasted.
Rainfall is expected on Saturday through next Tuesday.
The temperature shift across days will be subtle during the next few days. Maximum temperatures will fall between 86°F and 91.4°F, while fluctuations in the night’s lowest temperature will be also minimal, as night temperatures will lie between 77°F and 80.6°F.
The hottest days in San Juan will be Sunday and Monday, with a maximum of 91.4°F; the lowest daytime temperature of the period will be reached on next Tuesday, peaking at 86°F.
Including the humidity's impact, the maximum feel-like temperature may increase substantially and range between a sizzling 96.8°F and a torridly hot 107.6°F.
Updated: Oct 25, 2026 @ 11:21:10 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, expect a partly sunny afternoon with variable cloud cover.

Today, the maximum temperature will be 91.4°F, while the minimum temperature will be 80.6°F. The maximum heat index, which combines relative humidity and air temperature, is evaluated at 107.6°F.
The maximum temperature will be relatively higher than the average highest temperature of 84.6°F in October. Today, the lowest temperature will be in line with the average low temperature.

On Sunday, in San Juan, sunrise was at 6:21 am and sunset will be at 5:55 pm (AST).

In San Juan, the length of the day today will be 11h and 34min.