The local weather in San Juan tomorrow

Sunday, 21 June 2026

The weather tomorrow in San Juan will be hot with temperatures reaching 30°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.

Temperature
Temperature
30° / 26°
Chance of rain
Chance of rain
39
%
Wind
Wind
28
Km/h
Humidity
Humidity
83
%
Previous day
Next day
00:0003:0006:0009:0012:0015:0018:0021:00
Temperature26°C26°C26°C28°C30°C30°C28°C26°C
Weather Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Chance of rain25%24%39%15%12%11%15%18%
Precipitation0 mm0.1 mm0.3 mm0 mm0 mm0 mm0 mm0 mm
Humidity80%82%83%70%63%62%71%79%
Wind17Km/h16Km/h15Km/h21Km/h26Km/h28Km/h26Km/h22Km/h
Wind Gust25Km/h23Km/h24Km/h24Km/h29Km/h32Km/h34Km/h32Km/h
Wind Degree106°
Wind Degree
104°
Wind Degree
111°
Wind Degree
104°
Wind Degree
96°
Wind Degree
92°
Wind Degree
96°
Wind Degree
103°
Wind Degree
Wind DirectionESEESEESEESEEEEESE
Cloud Cover89%51%85%80%80%74%78%73%
UV Index000411700
Visibility10 Km10 Km9 Km10 Km10 Km10 Km10 Km10 Km

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 patchy rain possible.
What is tomorrow's highest and lowest temperature in San Juan?
The temperature tomorrow in San Juan will range between 26° and 30°.
Will it be raining tomorrow in San Juan?
The chance of rain tomorrow in San Juan is 39%.
Will it be windy tomorrow in San Juan?
The wind will blow between 15 Km/h to 28 Km/h tomorrow in San Juan.
How many hours of sunlight tomorrow in San Juan?
There will be 11.3 hours of sun tomorrow in San Juan.
What time is the sunrise and sunset tomorrow in San Juan?
The sun will rise at 05:49 and set at 19:04.

Sunrise and sunset time in San Juan tomorrow

What time is the sunset and sunrise in San Juan tomorrow? The sun will rise at 05:49 and will set at 19:04. There will be 11.3 hours of sunlight in San Juan.

Sunrise
Sunrise
05:49
Sunset
Sunset
19:04

San Juan tomorrow weather

Morning Patchy rain possible

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 39%, and the wind will blow at 15km/h.

Noon Patchy rain possible

The temperature in San Juan tomorrow at noon time is 30°C and it will feel like 33°C. The humidity will be around 63% with wind speed of 26km/h.

Evening Patchy rain possible

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 11%, with wind speed of 28km/h.

Night Patchy rain possible

The night temperature in San Juan tomorrow is 26°C with a wind speed of 22km/h.

Clothing recommendation for San Juan

Sunday, 21 June 2026
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