Weather forecast for tomorrow
San Juan, PR

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Weather forecast and temperature for tomorrow - Tuesday, May 7.

Thunderstorms
5:53 am

6:48 pm
AST
Thunderstorms
84°F / 77°F
  • Wind: 12mph ENE
  • Humidity: 83%
  • Precip. probability: 88%
  • Precipitation: 0.94"
  • UV index: 10
Tomorrow, in San Juan, thunderstorms are also forecasted.
Substantial precipitation is expected. The day will observe a moderate high of a moderately hot 84.2°F (29°C), subtly differing from a low of a warm 77°F (25°C).
The maximum heat index, which takes the relative humidity and factors it into the air temperature reading, is appraised at a sweltering 95°F (35°C). Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The day's highest temperature is forecasted to align with the standard May maximum of 82.4°F (28°C).
Sunrise will be at 5:53 am and sunset at 6:48 pm; tomorrow's daylight will last for 12h and 55min.

Frequently asked questions

What is the weather forecast for San Juan for tomorrow?

Tomorrow, in San Juan, storms with thunder and lightning and rainy weather are expected.

Will it rain tomorrow in San Juan?

Yes, it will rain tomorrow in San Juan. High precipitation of 0.94" (24mm) is anticipated.

What will be the highest temperature tomorrow in San Juan?

Tomorrow, the highest temperature will be 84.2°F (29°C), while the lowest temperature will be 77°F (25°C). The maximum heat index, which combines relative humidity and air temperature, is appraised at 95°F (35°C).
The maximum temperature will be in line with the average highest temperature of 82.4°F (28°C) in May. The lowest temperature will be also in line with the average low of 76.6°F (24.8°C).

When are sunrise and sunset tomorrow in San Juan?

On Tuesday, in San Juan, sunrise will be at 5:53 am and sunset at 6:48 pm (AST).

How many hours of daylight will San Juan have tomorrow?

In San Juan, the length of the day tomorrow will be 12h and 55min.

Hourly weather forecast and temperature - San Juan, PR

12 am
  • 79°F
  • Feels like:
    86°F
Showers
Showers
  • Wind: 6mph E
  • Pressure: 29.91"Hg
  • Humidity: 89%
  • Precip. probability: 59%
  • Precipitation: 0.91"
  • Visibility: 1mi
2 am
  • 79°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph E
  • Pressure: 29.85"Hg
  • Humidity: 88%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 5mi
4 am
  • 79°F
  • Feels like:
    84°F
Few Showers
Few Showers
  • Wind: 4mph E
  • Pressure: 29.85"Hg
  • Humidity: 89%
  • Precip. probability: 30%
  • Precipitation: 0.04"
  • Visibility: 6mi
Sunrise: 5:53 am
6 am
  • 79°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 2mph ESE
  • Pressure: 29.85"Hg
  • Humidity: 90%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 6mi
8 am
  • 81°F
  • Feels like:
    88°F
Showers
Showers
  • Wind: 5mph E
  • Pressure: 29.88"Hg
  • Humidity: 86%
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • Visibility: 7mi
10 am
  • 82°F
  • Feels like:
    91°F
Few Showers
Few Showers
  • Wind: 9mph ENE
  • Pressure: 29.88"Hg
  • Humidity: 79%
  • Precip. probability: 31%
  • Precipitation: 0.04"
  • Visibility: 10mi
12 pm
  • 82°F
  • Feels like:
    91°F
Thunderstorms
Thunderstorms
  • Wind: 12mph ENE
  • Pressure: 29.88"Hg
  • Humidity: 80%
  • Precip. probability: 81%
  • Precipitation: 0.12"
  • Visibility: 4mi
2 pm
  • 82°F
  • Feels like:
    91°F
Thunderstorms
Thunderstorms
  • Wind: 12mph ENE
  • Pressure: 29.85"Hg
  • Humidity: 81%
  • Precip. probability: 87%
  • Precipitation: 0.12"
  • Visibility: 4mi
4 pm
  • 82°F
  • Feels like:
    90°F
Thunderstorms
Thunderstorms
  • Wind: 10mph ENE
  • Pressure: 29.83"Hg
  • Humidity: 83%
  • Precip. probability: 82%
  • Precipitation: 0.08"
  • Visibility: 5mi
6 pm
  • 81°F
  • Feels like:
    86°F
Thunderstorms
Thunderstorms
  • Wind: 8mph ENE
  • Pressure: 29.83"Hg
  • Humidity: 86%
  • Precip. probability: 77%
  • Precipitation: 0.08"
  • Visibility: 4mi
Sunset: 6:48 pm
8 pm
  • 79°F
  • Feels like:
    84°F
Thunderstorms
Thunderstorms
  • Wind: 7mph E
  • Pressure: 29.85"Hg
  • Humidity: 87%
  • Precip. probability: 63%
  • Precipitation: 0.08"
  • Visibility: 4mi
10 pm
  • 79°F
  • Feels like:
    84°F
Showers
Showers
  • Wind: 5mph E
  • Pressure: 29.88"Hg
  • Humidity: 88%
  • Precip. probability: 54%
  • Precipitation: 0.04"
  • Visibility: 4mi
Tomorrow, on Tuesday, a combination of rainy, stormy and cloudy weather is expected.
Rainfall is forecasted at 12 am, 1 am, 4 am, and from 7 am to 11 pm. With excessive precipitation of 0.91" (23mm), most rainfall is expected at 12 am.
The temperature difference will be indistinguishable, with a minimum of 78.8°F (26°C) and a maximum of 84.2°F (29°C). The feels-like temperature will vary between the lowest temperature of 84.2°F (29°C) and the highest temperature of 93.2°F (34°C). The warmest part of the day will be around 11 am.
The highest temperature will be similar to May's average maximum of 82.4°F (28°C). The lowest temperature will be also similar to the average minimum of 76.6°F (24.8°C) in May.

San Juan, Puerto Rico, USA

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