🇵🇷 Weather in San Juan
Current Weather in San Juan
25°C
Feels like 20°C. Patchy rain nearby.
🌬️ 13 km/h SE
💧 85% Humidity
🧭 1015 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 23°C
🌅 Sunrise: 05:51 AM
🌇 Sunset: 07:04 PM
Map Overlays:
Hourly Forecast for San Juan
07:00
26°
22%
08:00
28°
19%
09:00
29°
16%
10:00
30°
15%
11:00
30°
12%
12:00
31°
12%
13:00
31°
12%
14:00
31°
13%
15:00
30°
13%
16:00
30°
13%
17:00
30°
15%
18:00
29°
15%
19:00
28°
18%
20:00
27°
18%
21:00
27°
18%
22:00
26°
21%
23:00
26°
20%
00:00
26°
14%
01:00
26°
21%
02:00
26°
17%
03:00
26°
20%
04:00
26°
20%
05:00
26°
22%
06:00
26°
21%
14-Day Forecast for San Juan
Wed, Jul 01
Patchy rain nearby
31° /
25°
Thu, Jul 02
Patchy rain nearby
31° /
26°
Fri, Jul 03
Patchy rain nearby
31° /
25°
Sat, Jul 04
Patchy rain nearby
30° /
25°
Sun, Jul 05
Patchy rain nearby
30° /
25°
Mon, Jul 06
Patchy rain nearby
31° /
25°
Tue, Jul 07
Patchy rain nearby
30° /
26°
Wed, Jul 08
Patchy rain nearby
31° /
25°
Thu, Jul 09
Patchy rain nearby
31° /
26°
Fri, Jul 10
Patchy rain nearby
30° /
26°
Sat, Jul 11
Patchy rain nearby
31° /
26°
Sun, Jul 12
Partly Cloudy
31° /
25°
Mon, Jul 13
Sunny
31° /
25°
Tue, Jul 14
Patchy rain nearby
30° /
25°
Additional Forecasts for San Juan
Marine Forecast
Tide Forecast
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 94.0
μg/m³
O₃ (Ozone) 27.0
μg/m³
NO₂ (Nitrogen Dioxide) 0.8 μg/m³
SO₂ (Sulphur Dioxide) 0.6
μg/m³
PM2.5 (Fine particles) 7.4 μg/m³
PM10 (Coarse particles) 23.2 μg/m³
Local Sports Events
Historical Weather
Weather Forecasts for Other Cities in Puerto Rico
Learn More about Weather
FAQ — Weather in San Juan
Common questions about this page — answers customized for the data shown above.
The current weather in San Juan is patchy rain nearby with a temperature of 25°C (feels like 20°C). Humidity is at 85% and wind speed is 13 km/h. Browse weather for other cities for comparison.
Tomorrow's forecast for San Juan shows patchy rain nearby with a high of 31°C and a low of 26°C. There is a 36% chance of rain. Tomorrow’s sunrise and sunset times for San Juan are also available.
Over the next 7 days in San Juan, temperatures are forecast to range from a low of 25°C to a high of 31°C. The 7-day forecast table above shows day-by-day conditions, precipitation probability and hourly breakdowns. For weather in nearby cities, see Puerto Rico city pages.
Based on the latest forecast, rain is likely in San Juan on Wednesday, Saturday, and Monday (50%+ chance of precipitation). The hourly forecast above gives more precise timing for any showers expected in the next 24 hours.
Wednesday is forecast to be the warmest day in San Juan this week, with a high of 31°C and patchy rain nearby conditions expected.
San Juan sits at approximately 18.5° north latitude, which generally produces a tropical or sub-tropical climate, with relatively warm temperatures year-round and distinct wet and dry seasons rather than a clear summer–winter cycle. Local geography (coast vs. inland, altitude, prevailing winds) shapes the specific weather patterns shown in the forecast above.
Climatically, the best time to visit San Juan is generally the local dry season — typically the cooler months of the year for that latitude — when humidity and rainfall are at their lowest. Exact timing depends on what you're after — fewer crowds, specific events, lowest rainfall, or warmest weather. Check the forecast above before planning a short trip.
In the Northern Hemisphere, summer falls in June–August and winter in December–February. Spring runs March–May and autumn runs September–November. San Juan follows this Northern/Southern Hemisphere pattern based on its latitude. See the sun page for exact daylight hours through the year.