Weather forecast for today
San Juan, PR

Weather forecast for today

Sunday, 11. May

PM Showers
5:50 am

6:50 pm
AST
PM Showers
30°C / 25°C
  • Wind: 31km/h E
  • Humidity: 80%
  • Precip. probability: 39%
  • Precipitation: 4mm
  • UV index: 11
On Sunday, May 11, scattered afternoon showers may bring wet conditions in some areas.
With a low probability, light precipitation is forecasted for today. Day and night temperatures will present a subtle variation, fluctuating between a blazing 86°F and a temperate 77°F.
The maximum heat index, which adjusts the air temperature based on humidity, is evaluated at a sizzling 100.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Today's high temperature will mirror the usual May maximum of 82.4°F.
Sunrise will be at 5:50 am and sunset at 6:50 pm; the daylight will last for 13h and 0min.

Current condition

Clear
4:03 am AST
Clear
  • 26°C
  • Feels like: 31°C
  • Wind: 3km/h SE
  • Humidity: 88%
  • Dewpoint: 24°C
  • Pressure: 1016.93mbar
  • Precipitation: 0mm
  • Visibility: 14.48km
  • UV index: 0
Currently, perfect visibility under a vast, clear sky.
The temperature is a moderately hot 78.8°F, while the apparent temperature, which integrates air moisture with ambient temperature, is appraised at a humid 87.8°F. The current temperature is a few degrees off the highest temperature of the day.

Weather radar - San Juan, PR

Doppler radar displays precipitation for the past 2h and forecasts the next 30min

Frequently asked questions

What is the current temperature?
At 4:03 am AST, the temperature is 78.8°F. Feels-like temperature is 87.8°F.
What is the weather forecast for San Juan for today?
Today, expect light rain showers during the afternoon, though they should remain brief.
Will it rain today?
Light precipitation of 0.16" is predicted. The chance of rainfall is 39%.
What will be the highest temperature today?
Today, the highest temperature will be 86°F, while the lowest temperature will be 77°F. The maximum heat index, which integrates air moisture with ambient temperature, is estimated at 100.4°F.
The highest temperature today will be in line with the average maximum temperature in May. Today, the lowest temperature will be also in line with the average low temperature.
When is the sunrise / sunset today?
On Sunday, in San Juan, sunrise will be at 5:50 am and sunset at 6:50 pm (AST).
How long is the day today?
Today, the daylight will last for 13h and 0min.

Hourly weather forecast

4 am
  • 26°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Wind: 4km/h ESE
  • Pressure: 1016mbar
  • Humidity: 88%
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Visibility: 14km
Sunrise: 5:50 am
6 am
  • 26°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Wind: 6km/h ESE
  • Pressure: 1017mbar
  • Humidity: 88%
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Visibility: 13km
8 am
  • 27°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Wind: 15km/h E
  • Pressure: 1018mbar
  • Humidity: 84%
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Visibility: 16km
10 am
  • 29°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Wind: 22km/h E
  • Pressure: 1018mbar
  • Humidity: 75%
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Visibility: 16km
12 pm
  • 30°C
  • Feels like:
    36°C
Partly Cloudy
Partly Cloudy
  • Wind: 27km/h E
  • Pressure: 1017mbar
  • Humidity: 72%
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Visibility: 16km
2 pm
  • 30°C
  • Feels like:
    35°C
Showers
Showers
  • Wind: 30km/h ENE
  • Pressure: 1016mbar
  • Humidity: 72%
  • Precip. probability: 39%
  • Precipitation: 1mm
  • Visibility: 11km
4 pm
  • 29°C
  • Feels like:
    34°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 28km/h E
  • Pressure: 1016mbar
  • Humidity: 77%
  • Precip. probability: 35%
  • Precipitation: 1mm
  • Visibility: 11km
6 pm
  • 28°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Wind: 25km/h E
  • Pressure: 1016mbar
  • Humidity: 80%
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Visibility: 16km
Sunset: 6:50 pm
8 pm
  • 27°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Wind: 19km/h E
  • Pressure: 1018mbar
  • Humidity: 83%
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Visibility: 16km
10 pm
  • 27°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Wind: 18km/h E
  • Pressure: 1018mbar
  • Humidity: 85%
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Visibility: 16km
Today, in San Juan, a combination of primarily cloudy and occasionally rainy and thunderstorm-prone weather is expected.
With minimal precipitation of 0.04", rainfall is predicted from 1 pm to 4 pm.
The temperature will be between a minimum of 78.8°F and a maximum of 86°F. The feels-like temperature will vary between the highest temperature of 96.8°F and the lowest temperature of 86°F. The hottest part of the day will be from 11 am to 3 pm.
Today, the forecasted high aligns resembling the average peak in May. Today, the temperature will drop to a level also comparable to May's average minimum of 76.6°F.
Updated: May 11, 2025 @ 08:03:40 UTC
Published by: Weather U.S. | About Us
Data Sources | |
Weather Forecasting & Climate

San Juan, Puerto Rico, USA

  • en: San Juan, Puerto Rico, USA
  • es: San Juan, Puerto Rico, EE.UU.
  • hr: San Huan, Portoriko, SAD
  • sr: San Huan, Portoriko, SAD
  • zh: 圣胡安, 波多黎各, 美国
  • Latitude: 18.465539°
  • Longitude: -66.105735°
  • Elevation: 3 m
  • Current time: 4:03am AST
  • Sunrise: 5:50 am AST
  • Sunset: 6:50 pm AST
  • Timezone: America/Puerto_Rico
Climate data
Share