Weather forecast for today
San Juan, PR

Weather forecast for today

Sunday, May 4.

PM Thunderstorms
5:54 am

6:48 pm
AST
PM Thunderstorms
84°F / 75°F
  • Wind: 14mph E
  • Humidity: 78%
  • Precip. probability: 52%
  • Precipitation: 0.16"
  • UV index: 11
Today, cloud build-up may lead to afternoon thunderstorms.
The likelihood of rainfall is high. However, precipitation will be light. A modest fluctuation in temperature is anticipated, achieving a maximum of a temperate 84.2°F and dipping to a minimum of a moderately hot 75.2°F.
The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be a humid 93.2°F. Note that heat index values are valued for light wind and location in the shade.
Today's temperature is forecasted to match May's standard peak of 82.4°F.
Sunrise was at 5:54 am and sunset will be at 6:48 pm; the daylight will last for 12h and 54min.

Current condition

Partly Cloudy
6:30 am AST
Partly Cloudy
  • 75°F
  • Feels like: 75°F
  • Wind: 2mph SE
  • Humidity: 90%
  • Dewpoint: 73°F
  • Pressure: 29.93"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 0
Currently, the sky is covered by scattered clouds with bright spots in between.
The temperature is a temperate 75.2°F. The current temperature is at the minimum predicted for today.

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?
Currently (6:30 am AST) it is 75.2°F in San Juan.
What is the weather forecast for San Juan for today?
Today, in San Juan, unstable skies may bring rain, thunder, and brief gusts later today.
Will it rain today in San Juan?
Light precipitation of 0.16" is predicted. The chance of rainfall is 52%.
What will be the maximum temperature today?
Today, the highest temperature will be 84.2°F, while the lowest temperature will be 75.2°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is evaluated at 93.2°F.
The highest temperature today will be in line with the average maximum temperature in May. The lowest temperature will be also in line with the average low of 76.6°F.
When are sunrise and sunset today?
On Sunday, in San Juan, sunrise was at 5:54 am and sunset will be at 6:48 pm (AST).
How many hours of daylight will San Juan have today?
In San Juan, today, there will be 12h and 54min of daylight.

Hourly weather forecast

7 am
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Wind: 2mph ESE
  • Pressure: 29.91"Hg
  • Humidity: 90%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 79°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph E
  • Pressure: 29.94"Hg
  • Humidity: 83%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
9 am
  • 81°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph E
  • Pressure: 29.94"Hg
  • Humidity: 78%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 82°F
  • Feels like:
    88°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph ENE
  • Pressure: 29.94"Hg
  • Humidity: 74%
  • Precip. probability: 14%
  • Precipitation: 0"
  • Visibility: 10mi
11 am
  • 82°F
  • Feels like:
    90°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph ENE
  • Pressure: 29.94"Hg
  • Humidity: 73%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 82°F
  • Feels like:
    90°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 13mph ENE
  • Pressure: 29.94"Hg
  • Humidity: 72%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 10mi
1 pm
  • 82°F
  • Feels like:
    90°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 14mph ENE
  • Pressure: 29.91"Hg
  • Humidity: 73%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 82°F
  • Feels like:
    90°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 12mph ENE
  • Pressure: 29.91"Hg
  • Humidity: 75%
  • Precip. probability: 41%
  • Precipitation: 0.04"
  • Visibility: 7mi
3 pm
  • 82°F
  • Feels like:
    88°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 12mph ENE
  • Pressure: 29.88"Hg
  • Humidity: 76%
  • Precip. probability: 53%
  • Precipitation: 0.08"
  • Visibility: 7mi
4 pm
  • 82°F
  • Feels like:
    88°F
Showers
Showers
  • Wind: 11mph E
  • Pressure: 29.88"Hg
  • Humidity: 76%
  • Precip. probability: 36%
  • Precipitation: 0.08"
  • Visibility: 7mi
5 pm
  • 81°F
  • Feels like:
    88°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph E
  • Pressure: 29.88"Hg
  • Humidity: 76%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 81°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph E
  • Pressure: 29.88"Hg
  • Humidity: 78%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 6:48 pm
7 pm
  • 79°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph E
  • Pressure: 29.88"Hg
  • Humidity: 81%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 79°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph E
  • Pressure: 29.91"Hg
  • Humidity: 82%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 10mi
9 pm
  • 79°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph E
  • Pressure: 29.91"Hg
  • Humidity: 85%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
10 pm
  • 79°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph E
  • Pressure: 29.94"Hg
  • Humidity: 86%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
11 pm
  • 77°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph ESE
  • Pressure: 29.94"Hg
  • Humidity: 86%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 10mi
Today, in San Juan, a combination of primarily cloud-filled and occasionally storm-filled and rain-soaked weather is expected.
Rainfall is predicted from 2 pm to 4 pm. The most intense rain will be falling at 3 pm and 4 pm.
The temperature will vary between the lowest temperature of 77°F and the highest temperature of 82.4°F. The feels-like temperature will vary between the lowest temperature of 77°F and the highest temperature of 89.6°F. The warmest part of the day will be from 10 am to 4 pm.
The highest temperature will be alike with May's average maximum of 82.4°F. Today, the minimum temperature will be also alike with the average low for May.
Updated: May 4, 2025 @ 10:30:28 UTC
Published by: Weather Atlas | About Us
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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: 10 ft
  • Current time: 7:12am AST
  • Sunrise: 5:54 am AST
  • Sunset: 6:48 pm AST
  • Timezone: America/Puerto_Rico
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