Weather forecast for tomorrow
San Juan, PR

Share

Weather forecast and temperature for tomorrow - Saturday, Jul 20.

AM Showers
5:58 am

7:03 pm
AST
AM Showers
91°F / 82°F
  • Wind: 19mph E
  • Humidity: 73%
  • Precip. probability: 36%
  • Precipitation: 0.08"
  • UV index: 11
On Saturday, in San Juan, short periods of light rainfall are expected in the morning.
Minimal precipitation is forecasted for tomorrow. Minor temperature shifts are predicted, peaking at a maximum of a hot 91.4°F (33°C) and dropping to a minimum of a warm 82.4°F (28°C).
The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at a life-threatening 113°F (45°C). 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 day's maximum temperature will be a few degrees higher than the average high of 84.2°F (29°C) during July.
Sunrise will be at 5:58 am and sunset at 7:03 pm; tomorrow's daylight will last for 13h and 5min.

Frequently asked questions

What is the weather forecast for San Juan for tomorrow?

On Saturday, in San Juan, short periods of light rainfall are anticipated in the morning.

Will it rain tomorrow in San Juan?

Tomorrow, there is a low probability of minimal rainfall in San Juan.

What will be the maximum temperature in San Juan tomorrow?

Tomorrow, the highest temperature will be 91.4°F (33°C), while the lowest temperature will be 82.4°F (28°C). The maximum heat index, which combines air temperature and relative humidity, is calculated to be 113°F (45°C).
The highest temperature will be relatively higher than the average maximum of 84.2°F (29°C) in July. The lowest temperature will be in line with the average low of 78.8°F (26°C).

When are sunrise and sunset tomorrow?

On Saturday, in San Juan, sunrise will be at 5:58 am and sunset at 7:03 pm (AST).

How long will the day be tomorrow?

In San Juan, tomorrow, there will be 13h and 5min of daylight.

Hourly weather forecast and temperature - San Juan, PR

12 am
  • 82°F
  • Feels like:
    91°F
Few Showers
Few Showers
  • Wind: 9mph ESE
  • Pressure: 30.03"Hg
  • Humidity: 85%
  • Precip. probability: 31%
  • Precipitation: 0.04"
  • Visibility: 10mi
2 am
  • 82°F
  • Feels like:
    91°F
Few Showers
Few Showers
  • Wind: 7mph ESE
  • Pressure: 30"Hg
  • Humidity: 87%
  • Precip. probability: 33%
  • Precipitation: 0.04"
  • Visibility: 10mi
4 am
  • 82°F
  • Feels like:
    91°F
Showers
Showers
  • Wind: 7mph ESE
  • Pressure: 30"Hg
  • Humidity: 88%
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Visibility: 7mi
Sunrise: 5:58 am
6 am
  • 82°F
  • Feels like:
    91°F
Showers
Showers
  • Wind: 7mph ESE
  • Pressure: 30.03"Hg
  • Humidity: 88%
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • Visibility: 7mi
8 am
  • 84°F
  • Feels like:
    95°F
Showers
Showers
  • Wind: 11mph ESE
  • Pressure: 30.06"Hg
  • Humidity: 83%
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • Visibility: 6mi
10 am
  • 88°F
  • Feels like:
    102°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 16mph E
  • Pressure: 30.06"Hg
  • Humidity: 73%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 9mi
12 pm
  • 90°F
  • Feels like:
    104°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 18mph E
  • Pressure: 30.06"Hg
  • Humidity: 68%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 90°F
  • Feels like:
    106°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph E
  • Pressure: 30.03"Hg
  • Humidity: 67%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 9mi
4 pm
  • 90°F
  • Feels like:
    104°F
Partly Cloudy
Partly Cloudy
  • Wind: 18mph E
  • Pressure: 30"Hg
  • Humidity: 70%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 88°F
  • Feels like:
    100°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph E
  • Pressure: 30.03"Hg
  • Humidity: 72%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 7:03 pm
8 pm
  • 86°F
  • Feels like:
    97°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph E
  • Pressure: 30.06"Hg
  • Humidity: 79%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
10 pm
  • 84°F
  • Feels like:
    95°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph E
  • Pressure: 30.06"Hg
  • Humidity: 80%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, a combination of rainy, cloudy and stormy weather is forecasted.
With minimal precipitation of 0.04" (1mm), rain is anticipated at 12 am, and from 2 am to 8 am.
The temperature will be between a minimum of 82.4°F (28°C) and a maximum of 89.6°F (32°C). The feels-like temperature will vary between a minimum of 91.4°F (33°C) and a maximum of 105.8°F (41°C). The warmest part of the day will be from 11 am to 4 pm.
The highest temperature tomorrow will be relatively higher than the average maximum temperature in July. The lowest temperature tomorrow will be also resembling to the average minimum temperature in July.
Updated: Jul 19, 2024 @ 10:05:04 UTC
Published by: Weather U.S. | About Us
Data Sources | |
Weather Forecasting & Climate

San Juan, Puerto Rico, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location