Weather forecast for tomorrow
Wednesday, Apr 30.
5:56 am
6:46 pm
AST
6:46 pm
AST
Thunderstorms
82°F / 75°F
- Wind: 10mph ENE
- Humidity: 82%
- Precip. probability: 95%
- Precipitation: 0.43"
- UV index: 6
On Wednesday, April 30, unstable atmospheric conditions may lead to thunderstorms.
With a high probability, moderate precipitation is predicted for tomorrow. The peak daytime temperature will reach a moderately hot 82.4°F, while the nighttime temperature will drop to a temperate 75.2°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is evaluated at a blazing 89.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
April's standard high of 81.1°F is anticipated to be reached during the day.
Sunrise will be at 5:56 am and sunset at 6:46 pm; tomorrow's daylight will last for 12h and 50min.
With a high probability, moderate precipitation is predicted for tomorrow. The peak daytime temperature will reach a moderately hot 82.4°F, while the nighttime temperature will drop to a temperate 75.2°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is evaluated at a blazing 89.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
April's standard high of 81.1°F is anticipated to be reached during the day.
Sunrise will be at 5:56 am and sunset at 6:46 pm; tomorrow's daylight will last for 12h and 50min.
Frequently asked questions
What is the weather forecast for San Juan for tomorrow?
Tomorrow, unstable atmospheric conditions may lead to thunderstorms.
Will it rain tomorrow in San Juan?
Moderate precipitation of 0.43" is expected. The chance of rainfall is high at 95%.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 82.4°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 assessed at 89.6°F.
The highest temperature will be in line with the average maximum of 81.1°F in April. The lowest temperature will be also in line with the average low of 75.2°F.
The highest temperature will be in line with the average maximum of 81.1°F in April. The lowest temperature will be also in line with the average low of 75.2°F.
When is the sunrise / sunset tomorrow?
On Wednesday, in San Juan, sunrise will be at 5:56 am and sunset at 6:46 pm (AST).
How many hours of daylight will San Juan have tomorrow?
Tomorrow, the daylight will last for 12h and 50min.
Hourly weather forecast
12 am
- 77°F
- Feels like:
82°F
Showers
- Wind: 3mph ENE
- Pressure: 29.91"Hg
- Humidity: 88%
- Precip. probability: 47%
- Precipitation: 0.24"
- Visibility: 2mi
2 am
- 77°F
- Feels like:
82°F
Mostly Cloudy
- Wind: 3mph ENE
- Pressure: 29.88"Hg
- Humidity: 90%
- Precip. probability: 12%
- Precipitation: 0"
- Visibility: 7mi
4 am
- 75°F
- Feels like:
81°F
Mostly Cloudy
- Wind: 2mph ENE
- Pressure: 29.85"Hg
- Humidity: 91%
- Precip. probability: 13%
- Precipitation: 0"
- Visibility: 7mi
Sunrise: 5:56 am
6 am
- 75°F
- Feels like:
81°F
Cloudy
- Wind: 2mph E
- Pressure: 29.88"Hg
- Humidity: 93%
- Precip. probability: 12%
- Precipitation: 0"
- Visibility: 7mi
8 am
- 79°F
- Feels like:
84°F
Cloudy
- Wind: 3mph ESE
- Pressure: 29.91"Hg
- Humidity: 84%
- Precip. probability: 17%
- Precipitation: 0"
- Visibility: 10mi
10 am
- 81°F
- Feels like:
88°F
Cloudy
- Wind: 7mph ENE
- Pressure: 29.91"Hg
- Humidity: 79%
- Precip. probability: 21%
- Precipitation: 0"
- Visibility: 10mi
12 pm
- 81°F
- Feels like:
88°F
Showers
- Wind: 10mph NE
- Pressure: 29.91"Hg
- Humidity: 79%
- Precip. probability: 43%
- Precipitation: 0.04"
- Visibility: 7mi
2 pm
- 81°F
- Feels like:
88°F
Showers
- Wind: 9mph NE
- Pressure: 29.88"Hg
- Humidity: 79%
- Precip. probability: 59%
- Precipitation: 0.08"
- Visibility: 7mi
4 pm
- 79°F
- Feels like:
84°F
Rain
- Wind: 7mph ENE
- Pressure: 29.85"Hg
- Humidity: 84%
- Precip. probability: 69%
- Precipitation: 0.12"
- Visibility: 4mi
6 pm
- 79°F
- Feels like:
82°F
Few Showers
- Wind: 7mph ENE
- Pressure: 29.88"Hg
- Humidity: 83%
- Precip. probability: 34%
- Precipitation: 0.04"
- Visibility: 10mi
Sunset: 6:46 pm
8 pm
- 77°F
- Feels like:
82°F
Cloudy
- Wind: 4mph ENE
- Pressure: 29.91"Hg
- Humidity: 86%
- Precip. probability: 16%
- Precipitation: 0"
- Visibility: 10mi
10 pm
- 77°F
- Feels like:
82°F
Cloudy
- Wind: 4mph ENE
- Pressure: 29.94"Hg
- Humidity: 88%
- Precip. probability: 16%
- Precipitation: 0"
- Visibility: 8mi
Tomorrow, a combination of dull, rain-soaked and thunderstorm-prone weather is predicted.
Rainfall is forecasted at 12 am, 1 am, 11 am, 12 pm, and from 2 pm to 6 pm. With moderate precipitation of 0.24", most rainfall is expected at 12 am.
The temperature will be between the lowest temperature of 75.2°F and the highest temperature of 82.4°F. The warmest part of the day will be around 11 am.
The maximum temperature will be consistent with the average high of 81.1°F in April. The expected low will be also similar to the average minimum in April, which is 75.2°F.
Rainfall is forecasted at 12 am, 1 am, 11 am, 12 pm, and from 2 pm to 6 pm. With moderate precipitation of 0.24", most rainfall is expected at 12 am.
The temperature will be between the lowest temperature of 75.2°F and the highest temperature of 82.4°F. The warmest part of the day will be around 11 am.
The maximum temperature will be consistent with the average high of 81.1°F in April. The expected low will be also similar to the average minimum in April, which is 75.2°F.
Updated: Apr 29, 2025 @ 15:00:24 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate