Weather forecast for 10 days
San Juan, PR

Weather forecast for the weekend

Saturday, Jun 14.

Cloudy
5:46 am

7:02 pm
AST
Cloudy
84°F / 77°F
  • Wind: 17mph ENE
  • Humidity: 69%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 10
Today, on Saturday, June 14, cloudy weather is anticipated.
Day and night temperatures will present a subtle difference, from a maximum of a temperate 84.2°F to a minimum of a moderately hot 77°F.
The maximum heat index, which combines relative humidity and air temperature, is evaluated at a hot 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today, expect the temperature to remain near June's average maximum of 84.2°F.
Sunrise was at 5:46 am and sunset will be at 7:02 pm; the daylight will last for 13h and 16min.

Sunday, Jun 15.

Cloudy
5:46 am

7:03 pm
AST
Cloudy
86°F / 77°F
  • Wind: 17mph E
  • Humidity: 72%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 6
On Sunday, June 15, the day will be cloud-filled.
The temperature will peak at a humid 86°F during the day, slightly dropping to a low of a temperate 77°F at night.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is evaluated at a sizzling 96.8°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 predicted maximum temperature will closely reflect June's average high of 84.2°F.
Sunrise will be at 5:46 am and sunset at 7:03 pm; tomorrow's daylight will last for 13h and 16min.

Frequently asked questions

What is the weather forecast for San Juan for tomorrow?
On Sunday, heavy clouds will be present throughout the day.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 77°F. The maximum heat index, which indicates how humid air affects the felt temperature, is assessed at 96.8°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in June. Tomorrow, the lowest temperature will be also in line with the average low temperature.
When are sunrise and sunset tomorrow?
On Sunday, in San Juan, sunrise will be at 5:46 am and sunset at 7:03 pm (AST).
How many hours of daylight will San Juan have tomorrow?
In San Juan, tomorrow, there will be 13h and 16min of daylight.
What is the weather forecast for San Juan for the next ten days?
In San Juan, cloudy conditions are likely each day for the next ten days.
How hot will it be in the next ten days?
The maximum temperature will range between 84.2°F and 87.8°F, while the minimum temperature will vary between 77°F and 78.8°F.
Including the humidity's impact, the maximum feel-like temperature will vary between 91.4°F and 102.2°F.
What will be the hottest and the coldest days?
The hottest days will be Tuesday, Wednesday, Friday through next Monday, with a maximum of 87.8°F. Today is the coldest day, with a maximum temperature of 84.2°F.

Long-term weather forecast

SatJun 14.
  • 84°F
  • 77°F
Cloudy
Cloudy
  • Wind: 17mph ENE
  • Humidity: 69%
  • UV index: 10
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:46 am 7:02 pm AST
SunJun 15.
  • 86°F
  • 77°F
Cloudy
Cloudy
  • Wind: 17mph E
  • Humidity: 72%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:46 am 7:03 pm AST
MonJun 16.
  • 86°F
  • 79°F
Cloudy
Cloudy
  • Wind: 17mph E
  • Humidity: 74%
  • UV index: 6
  • Precip. probability: 19%
  • Precipitation: 0"
  • 5:46 am 7:03 pm AST
TueJun 17.
  • 88°F
  • 77°F
Cloudy
Cloudy
  • Wind: 19mph E
  • Humidity: 73%
  • UV index: 8
  • Precip. probability: 13%
  • Precipitation: 0"
  • 5:47 am 7:03 pm AST
WedJun 18.
  • 88°F
  • 77°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 19mph E
  • Humidity: 71%
  • UV index: 10
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:47 am 7:04 pm AST
ThuJun 19.
  • 86°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph E
  • Humidity: 73%
  • UV index: 11
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:47 am 7:04 pm AST
FriJun 20.
  • 88°F
  • 77°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 17mph E
  • Humidity: 72%
  • UV index: 8
  • Precip. probability: 18%
  • Precipitation: 0"
  • 5:47 am 7:04 pm AST
SatJun 21.
  • 88°F
  • 77°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 17mph E
  • Humidity: 73%
  • UV index: 10
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:47 am 7:04 pm AST
SunJun 22.
  • 88°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Wind: 17mph E
  • Humidity: 73%
  • UV index: 11
  • Precip. probability: 22%
  • Precipitation: 0"
  • 5:48 am 7:04 pm AST
MonJun 23.
  • 88°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Wind: 18mph E
  • Humidity: 71%
  • UV index: 10
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:48 am 7:05 pm AST
Looking ahead, day-to-day cloudiness is anticipated.
Rainfall is not predicted in San Juan in the upcoming period.
Fluctuations in temperature will be barely perceptible across the forecast window. Maximum temperatures will fall between 84.2°F and 87.8°F, while fluctuations in the night’s lowest temperature will be also minimal, as night temperatures will lie between 77°F and 78.8°F.
The hottest days will be Tuesday, Wednesday, Friday through next Monday, with a maximum of 87.8°F; today is the coldest day, with a maximum temperature of 84.2°F.
Combining with the humidity, the maximum feel-like temperature may increase considerably and range between a hot 91.4°F and a steamy 102.2°F.
Updated: Jun 14, 2025 @ 17:53:04 UTC
Published by: Weather U.S. | About Us
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