Weather forecast for tomorrowArroyo, PR
Weather forecast for tomorrow
Saturday Oct 24, 2026
- 88°F
- 79°F
Showers
- Precip. probability: 45%
- Precipitation: 0.08"
- Wind: 13mphESE 116°
- Humidity: 78%
- UV index: 8
- Sunrise: 6:20 am AST
- Sunset: 5:56 pm AST
- details ▼
Tomorrow, in Arroyo, expect showers at times, with periods of lighter rain during the day.
Minimal precipitation is anticipated. The day will observe a moderate high of a blazing 87.8°F, subtly differing from a low of a temperate 78.8°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is estimated at a blistering 104°F. 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.
Tomorrow's maximum temperature is predicted to be relatively higher than the common October peak of 84°F.
Sunrise will be at 6:20 am and sunset at 5:56 pm; tomorrow's daylight will last for 11h and 36min.
Minimal precipitation is anticipated. The day will observe a moderate high of a blazing 87.8°F, subtly differing from a low of a temperate 78.8°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is estimated at a blistering 104°F. 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.
Tomorrow's maximum temperature is predicted to be relatively higher than the common October peak of 84°F.
Sunrise will be at 6:20 am and sunset at 5:56 pm; tomorrow's daylight will last for 11h and 36min.
Hourly overview
Hourly temperatures
Warmest hour: 12 pm 100°C.
Coldest period: 3 am - 6 am 88°C.
Coldest period: 3 am - 6 am 88°C.
Chance of precipitation
Highest chance: 6 am 49%.
Hourly weather forecast
- 12 am
- 81°F
- Feels like:90°F
Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphESE 108°
- Humidity: 85%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 81°F
- Feels like:90°F
Showers
- Precip. probability: 43%
- Precipitation: 0.04"
- Wind: 6mphESE 110°
- Humidity: 86%
- Pressure: 29.91"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 4 am
- 81°F
- Feels like:88°F
Showers
- Precip. probability: 41%
- Precipitation: 0.04"
- Wind: 5mphESE 106°
- Humidity: 87%
- Pressure: 29.91"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 6 am
- 81°F
- Feels like:88°F
Showers
- Precip. probability: 49%
- Precipitation: 0.04"
- Wind: 6mphESE 108°
- Humidity: 88%
- Pressure: 29.91"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Sunrise: 6:20 am
- 8 am
- 82°F
- Feels like:93°F
Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 8mphESE 111°
- Humidity: 82%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 86°F
- Feels like:99°F
Few Showers
- Precip. probability: 30%
- Precipitation: 0.04"
- Wind: 12mphESE 118°
- Humidity: 76%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 12 pm
- 88°F
- Feels like:100°F
Showers
- Precip. probability: 35%
- Precipitation: 0.04"
- Wind: 13mphESE 117°
- Humidity: 74%
- Pressure: 29.94"Hg
- Visibility: 7mi
- UV index: 7
- details ▼
- 2 pm
- 86°F
- Feels like:99°F
Few Showers
- Precip. probability: 33%
- Precipitation: 0.04"
- Wind: 12mphESE 121°
- Humidity: 75%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 86°F
- Feels like:97°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 11mphESE 120°
- Humidity: 77%
- Pressure: 29.88"Hg
- Visibility: 9mi
- UV index: 1
- details ▼
Sunset: 5:56 pm
- 6 pm
- 82°F
- Feels like:93°F
Mostly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 8mphESE 114°
- Humidity: 82%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 82°F
- Feels like:91°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphESE 108°
- Humidity: 85%
- Pressure: 29.94"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 pm
- 82°F
- Feels like:91°F
Mostly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 6mphESE 105°
- Humidity: 85%
- Pressure: 29.94"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, a combination of overcast and rain-soaked weather is anticipated.
Rain is expected from 1 am to 7 am, and from 10 am to 2 pm. With light precipitation of 0.08", most rainfall is expected at 3 am.
The temperature will vary between the lowest temperature of 80.6°F and the highest temperature of 87.8°F. The feels-like temperature will vary between the lowest temperature of 87.8°F and the highest temperature of 100.4°F. The hottest part of the day will be at noon and 1 pm.
The highest temperature tomorrow will be a couple of degrees higher than October's typical maximum temperature. Tomorrow, the lowest temperature will be also similar to October's usual minimum.
Rain is expected from 1 am to 7 am, and from 10 am to 2 pm. With light precipitation of 0.08", most rainfall is expected at 3 am.
The temperature will vary between the lowest temperature of 80.6°F and the highest temperature of 87.8°F. The feels-like temperature will vary between the lowest temperature of 87.8°F and the highest temperature of 100.4°F. The hottest part of the day will be at noon and 1 pm.
The highest temperature tomorrow will be a couple of degrees higher than October's typical maximum temperature. Tomorrow, the lowest temperature will be also similar to October's usual minimum.
Updated: Oct 23, 2026 @ 13:31:47 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
On Saturday, light showers are likely, with some brief dry spells throughout the day.
Tomorrow, there is a low chance of minimal precipitation in Arroyo.
Tomorrow, the highest temperature in Arroyo will be 87.8°F, while the lowest temperature will be 78.8°F. The maximum heat index, which combines relative humidity and air temperature, is appraised at 104°F.
The maximum temperature will be slightly warmer than the average highest temperature of 84°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The maximum temperature will be slightly warmer than the average highest temperature of 84°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Saturday, in Arroyo, sunrise will be at 6:20 am and sunset at 5:56 pm (AST).
In Arroyo, tomorrow, there will be 11h and 36min of daylight.





