Weather in San Juan, Puerto Rico 🇵🇷
As of now, San Juan is 28°C and patchy rain nearby, feeling like 32°C. Relative humidity is 79%, with winds around 18 km/h, and the UV index is 0 (low). Looking ahead, San Juan should sit between roughly 26°C and 31°C over the coming days.
Hourly Forecast for San Juan
14-Day Forecast for San Juan
Additional Forecasts for San Juan
Air Quality
Historical Weather
Weather Forecasts for Other Cities in Puerto Rico
Best Time to Be Outside in San Juan Tomorrow
There is no good daylight window left in San Juan today. Tomorrow, the most comfortable window looks like 07:00 to 10:00, when it is around 28°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in San Juan
What is the temperature in San Juan right now?
San Juan is sitting at 28°C (82°F) right now, patchy rain nearby (feels like 32°C).
What's the weather like in San Juan right now?
Current weather in San Juan: Patchy rain nearby, humidity 79%, wind 18 km/h E.
What is today's forecast for San Juan?
Today in San Juan: high 31°C, low 27°C, patchy rain nearby. Chance of rain: 57%.
What is the 7-day weather forecast for San Juan?
Daily highs and lows for San Juan:
- 2026-09-18: 31°C / 27°C
- 2026-09-19: 30°C / 27°C
- 2026-09-20: 30°C / 26°C
- 2026-09-21: 31°C / 26°C
- 2026-09-22: 30°C / 26°C
- 2026-09-23: 30°C / 26°C
- 2026-09-24: 30°C / 27°C
Is it going to rain in San Juan today?
There is a 57% chance of rain in San Juan today. Total expected precipitation: 1.15 mm.
What is the wind speed in San Juan right now?
Wind in San Juan is currently 18 km/h (11 mph) from the E.
What is the UV index in San Juan right now?
The UV index in San Juan is currently 0 (low). Sun protection is recommended when the index is 3 or higher.