Weather forecast for tomorrowPuerto Rico, USA
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Weather forecast for tomorrow
Monday Oct 26, 2026
- 91°F
- 79°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 14mphSE 126°
- Humidity: 66%
- UV index: 9
- Sunrise: 6:21 am AST
- Sunset: 5:54 pm AST
- details ▼
On Monday, October 26, clouds and sunshine will create a dynamic sky throughout the day.
The temperature variation is forecasted to range from a maximum of a humid 91.4°F to a minimum of a warm 78.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at an extremely hot 107.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Forecasted temperatures are trending a few degrees higher than October's climate norm of 84.6°F.
Sunrise will be at 6:21 am and sunset at 5:54 pm; tomorrow's daylight will last for 11h and 33min.
The temperature variation is forecasted to range from a maximum of a humid 91.4°F to a minimum of a warm 78.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at an extremely hot 107.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Forecasted temperatures are trending a few degrees higher than October's climate norm of 84.6°F.
Sunrise will be at 6:21 am and sunset at 5:54 pm; tomorrow's daylight will last for 11h and 33min.
Hourly overview
Hourly temperatures
Warmest hour: 12 pm 102°C.
Coldest period: 3 am - 6 am 88°C.
Coldest period: 3 am - 6 am 88°C.
Chance of precipitation
Highest chance: 12 am 18%.
Hourly weather forecast
- 12 am
- 82°F
- Feels like:91°F
Mostly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 5mphSSE 149°
- Humidity: 80%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 82°F
- Feels like:90°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 152°
- Humidity: 81%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 81°F
- Feels like:90°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphSE 141°
- Humidity: 82%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 81°F
- Feels like:88°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 150°
- Humidity: 83%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:21 am
- 8 am
- 84°F
- Feels like:93°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphSE 137°
- Humidity: 77%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 88°F
- Feels like:99°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphESE 120°
- Humidity: 66%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 12 pm
- 90°F
- Feels like:102°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphESE 115°
- Humidity: 61%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 9
- details ▼
- 2 pm
- 91°F
- Feels like:102°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphESE 124°
- Humidity: 59%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 7
- details ▼
- 4 pm
- 90°F
- Feels like:99°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 13mphSE 129°
- Humidity: 62%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
Sunset: 5:54 pm
- 6 pm
- 86°F
- Feels like:95°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphSE 133°
- Humidity: 68%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 84°F
- Feels like:93°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSE 135°
- Humidity: 75%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 82°F
- Feels like:91°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphSE 139°
- Humidity: 79%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, cloudy weather is expected.
The temperature will vary between a minimum of 80.6°F and a maximum of 91.4°F. The feels-like temperature will be between the lowest temperature of 87.8°F and the highest temperature of 102.2°F. The hottest part of the day is anticipated around 2 pm.
The forecasted high will be a few degrees higher than the typical October maximum of 84.6°F. The minimum temperature will be also resembling October's average low of 79.2°F.
The temperature will vary between a minimum of 80.6°F and a maximum of 91.4°F. The feels-like temperature will be between the lowest temperature of 87.8°F and the highest temperature of 102.2°F. The hottest part of the day is anticipated around 2 pm.
The forecasted high will be a few degrees higher than the typical October maximum of 84.6°F. The minimum temperature will be also resembling October's average low of 79.2°F.
Updated: Oct 25, 2026 @ 11:25:32 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, thin clouds will pass through at times, but overall, it will remain bright.
Tomorrow, the maximum temperature will be 91.4°F, while the minimum temperature will be 78.8°F. The maximum heat index, which combines air temperature and relative humidity, is computed to be 107.6°F.
The highest temperature will be a couple of degrees higher than the average maximum of 84.6°F in October. The lowest temperature will be in line with the average low of 79.2°F.
The highest temperature will be a couple of degrees higher than the average maximum of 84.6°F in October. The lowest temperature will be in line with the average low of 79.2°F.
On Monday, in San Juan, sunrise will be at 6:21 am and sunset at 5:54 pm (AST).
In San Juan, tomorrow, there will be 11h and 33min of daylight.
