Weather forecast for 10 days
Guayanilla, PR

Weather forecast for the weekend

Saturday, Jul 12.

Partly Cloudy
5:57 am

7:07 pm
AST
Partly Cloudy
90°F / 75°F
  • Wind: 13mph ESE
  • Humidity: 68%
  • Precip. probability: 15%
  • Precipitation: 0"
  • UV index: 11
Tomorrow, on Saturday, July 12, intermittent cloud cover is expected, allowing for some sunshine.
Temperatures are predicted to peak at a blazing 89.6°F and drop to a minimum of a temperate 75.2°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is appraised at a torridly hot 104°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The maximum temperature for tomorrow is predicted to match the regular July high of 86.4°F.
Sunrise will be at 5:57 am and sunset at 7:07 pm; tomorrow's daylight will last for 13h and 10min.

Sunday, Jul 13.

PM Thunderstorms
5:58 am

7:07 pm
AST
PM Thunderstorms
90°F / 75°F
  • Wind: 11mph E
  • Humidity: 68%
  • Precip. probability: 39%
  • Precipitation: 0.12"
  • UV index: 11
On Sunday, in Guayanilla, afternoon storms could include thunder and brief downpours.
Minimal precipitation is predicted. The forecasted temperature range extends from a high of a hot 89.6°F to a low of a temperate 75.2°F.
The highest temperature on Sunday will align with the usual July peak of 86.4°F.
Sunrise will be at 5:58 am and sunset at 7:07 pm; the daylight will last for 13h and 10min.

Frequently asked questions

What is the weather forecast for Guayanilla for tomorrow?
Tomorrow, in Guayanilla, partly cloudy skies will persist, making for a mix of sun and clouds.
What will be the maximum temperature in Guayanilla tomorrow?
Tomorrow, the highest temperature will be 89.6°F, while the lowest temperature will be 75.2°F. The maximum heat index, which combines relative humidity and air temperature, is evaluated at 104°F.
The maximum temperature tomorrow will be in line with the average highest temperature in July. The lowest temperature tomorrow will be also in line with the average low temperature.
When are sunrise and sunset tomorrow?
On Saturday, in Guayanilla, sunrise will be at 5:57 am and sunset at 7:07 pm (AST).
How many hours of daylight will Guayanilla have tomorrow?
Tomorrow, the daylight will last for 13h and 10min.
What is the weather forecast for Guayanilla for Sunday?
On Sunday, stormy skies and lightning strikes are expected later today.
Will it rain on Sunday?
On Sunday, there is a low chance of minimal precipitation in Guayanilla.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 89.6°F, while the minimum temperature will be 75.2°F.
What is the weather forecast for Guayanilla for the next ten days?
In Guayanilla, weather will be unstable, and a combination of stormy, rainy, dull and dry and sunny weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Sunday, Monday, Wednesday through next Sunday in Guayanilla. The days with the most rainfall will be Sunday, Wednesday, next Friday and Saturday, with minimal precipitation of 0.12".
How hot will it be in the next ten days?
The maximum temperature will range between 87.8°F and 89.6°F, while the minimum temperature will range between 75.2°F and 78.8°F.
Combining with the humidity, the maximum feel-like temperature will range between 100.4°F and 105.8°F.
What will be the hottest and the coldest days?
For the next ten days, almost every day, the maximum temperature will be the same 89.6°F. With a maximum temperature of 87.8°F, Monday and next Saturday will be the coldest days.

Long-term weather forecast

FriJul 11.
  • 90°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph ESE
  • Humidity: 64%
  • UV index: 11
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:57 am 7:08 pm AST
SatJul 12.
  • 90°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 13mph ESE
  • Humidity: 68%
  • UV index: 11
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:57 am 7:07 pm AST
SunJul 13.
  • 90°F
  • 75°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 11mph E
  • Humidity: 68%
  • UV index: 11
  • Precip. probability: 39%
  • Precipitation: 0.12"
  • 5:58 am 7:07 pm AST
MonJul 14.
  • 88°F
  • 77°F
Few Showers
Few Showers
  • Wind: 14mph E
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • 5:58 am 7:07 pm AST
TueJul 15.
  • 90°F
  • 77°F
Mostly Sunny
Mostly Sunny
  • Wind: 16mph E
  • Humidity: 68%
  • UV index: 11
  • Precip. probability: 19%
  • Precipitation: 0"
  • 5:58 am 7:07 pm AST
WedJul 16.
  • 90°F
  • 79°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 15mph E
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 60%
  • Precipitation: 0.12"
  • 5:59 am 7:07 pm AST
ThuJul 17.
  • 90°F
  • 79°F
AM Showers
AM Showers
  • Wind: 16mph E
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • 5:59 am 7:07 pm AST
FriJul 18.
  • 90°F
  • 77°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 12mph E
  • Humidity: 69%
  • UV index: 11
  • Precip. probability: 52%
  • Precipitation: 0.12"
  • 5:59 am 7:06 pm AST
SatJul 19.
  • 88°F
  • 77°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 12mph E
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 53%
  • Precipitation: 0.12"
  • 6:00 am 7:06 pm AST
SunJul 20.
  • 90°F
  • 77°F
Showers
Showers
  • Wind: 15mph E
  • Humidity: 70%
  • UV index: 11
  • Precip. probability: 37%
  • Precipitation: 0.08"
  • 6:00 am 7:06 pm AST
The next ten days will bring unstable conditions, and a mix of thunderstorm-prone, rain-soaked, cloud-filled and bright weather is predicted.
Rainfall is expected on Sunday, Monday, Wednesday through next Sunday. The days with the most rainfall will be Sunday, Wednesday, next Friday and Saturday, with minimal precipitation of 0.12".
The temperature shift across days will be subtle in the upcoming days. Highs will range from 87.8°F to 89.6°F, while fluctuations in the night’s lowest temperature will be also minimal, as night temperatures will lie between 75.2°F and 78.8°F.
For the next ten days, the maximum temperature will be nearly the same 89.6°F almost every day; Monday and next Saturday, with the highest temperature of 87.8°F, will be the coldest days in Guayanilla.
Combining with the humidity, the maximum feel-like temperature may increase considerably and range between a steamy 100.4°F and an extremely hot 105.8°F.
Updated: Jul 11, 2025 @ 12:26:54 UTC
Published by: Weather U.S. | About Us
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