Weather tomorrow
°C °F
September 20, 2026
Sunday
29°
0 mm
31°
0 mm
29°
0 mm
27°
0 mm

The local weather in San Juan tomorrow

Sunday, 20 September 2026

The weather tomorrow in San Juan will be very hot with temperatures reaching 31°C. During the evening and night time the temperatures will drop to 26°C.

For deep dive information check out our hourly weather forecast for tomorrow down the page.

Tomorrow's hourly weather in San Juan

00:0003:0006:0009:0012:0015:0018:0021:00
Temperature27°C27°C26°C29°C31°C30°C29°C27°C
Weather
Patchy rain possible
Patchy rain possible
Cloudy
Overcast
Overcast
Overcast
Overcast
Overcast
Chance of rain34%18%20%16%14%13%19%23%
Precipitation0.1 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Humidity82%81%80%67%59%63%73%80%
Wind13Km/h12Km/h10Km/h13Km/h20Km/h24Km/h21Km/h12Km/h
Wind Gust16Km/h15Km/h13Km/h17Km/h34Km/h35Km/h22Km/h16Km/h
Wind Degree118°
126°
136°
117°
94°
93°
113°
129°
Wind DirectionESESESEESEEEESESE
Cloud Cover100%61%85%100%100%90%100%100%
UV Index000311600
Visibility10 Km10 Km10 Km10 Km10 Km10 Km10 Km10 Km

San Juan tomorrow weather

Morning

The temperature in San Juan tomorrow in the early morning is 26°C.

If you take into account factors such as wind, humidity and other weather conditions, the temperatures can feel like 29°C.

The chance of rain in San Juan in the morning is 20%, and the wind will blow at 10km/h.

Noon

The temperature in San Juan tomorrow at noon time is 31°C and it will feel like 34°C. The humidity will be around 59% with wind speed of 20km/h.

Evening

The temperature in San Juan tomorrow's evening will get to 30°C.

The chance of rain in San Juan in the evening time is 13%, with wind speed of 24km/h.

Night

The night temperature in San Juan tomorrow is 27°C with a wind speed of 12km/h.

The weather in San Juan tomorrow - FAQ

What is the weather tomorrow in San Juan?
The wather forecast for tomorrow in San Juan is mostly overcast.
What is tomorrow's highest and lowest temperature in San Juan?
The temperature tomorrow in San Juan will range between 26° and 31°.
Will it be raining tomorrow in San Juan?
The chance of rain tomorrow in San Juan is 34%.
Will it be windy tomorrow in San Juan?
The wind will blow between 10 Km/h to 24 Km/h tomorrow in San Juan.
How many hours of sunlight tomorrow in San Juan?
There will be 2 hours of sun tomorrow in San Juan.
What time is the sunrise and sunset tomorrow in San Juan?
The sun will rise at 06:13 and set at 18:22.

Clothing recommendation for San Juan

Sunday, 20 September 2026
T-Shirt

Sunrise and sunset time in San Juan tomorrow

What time is the sunset and sunrise in San Juan tomorrow? The sun will rise at 06:13 and will set at 18:22. There will be 2 hours of sunlight in San Juan.

Sunrise
06:13
Sunset
18:22
More about the weather in San Juan