Live Weather & Forecast

Weather in San Germán

Puerto Rico, United States · Real-time conditions & 3-day outlook

Flag of United States
Partly cloudy
27°C
Feels like 29°C
81°F / Feels 84°F
Partly cloudy
San Germán, Puerto Rico
🌞 Daytime
Updated: 2026-04-15 11:30
💧
Humidity
70%
💨
Wind
11.9 km/h SSE
🌬️
Wind Gust
13.8 km/h
🌡️
Pressure
1014 mb
👁️
Visibility
16 km
☀️
UV Index
10.3 (Very High)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
50%
💦
Dew Point
22.7°C
🌐
Wind Degree
153°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
110.9 μg/m³
NO₂
1 μg/m³
O₃
59 μg/m³
SO₂
1.1 μg/m³
PM 2.5
4.1 μg/m³
PM 10
5.6 μg/m³

Weather Alerts 1

Met · Moderate · Expected
Rip Current Statement issued April 15 at 3:40AM AST until April 15 at 6:00PM AST by NWS San Juan PR

* WHAT...Life-threatening rip current. * WHERE...Northwest to northeast beaches of Puerto Rico, including beaches in Culebra. * WHEN...Through this afternoon. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water, where it becomes difficult to return to safety.

There is a high risk of rip currents. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as groins, jetties and piers. Heed the advice of lifeguards, beach patrol flags and...

Effective: 2026-04-15T03:40:00-04:00  ·  Expires: 2026-04-15T11:45:00-04:00

Today's Hourly Forecast

24-hour breakdown for San Germán, Puerto Rico

12 AM
Clear
23°
Clear
💧 93% 💨 10.1 km/h
1 AM
Clear
22°
Clear
💧 93% 💨 8.6 km/h
2 AM
Clear
22°
Clear
💧 93% 💨 9 km/h
3 AM
Clear
22°
Clear
💧 93% 💨 9.7 km/h
4 AM
Clear
21°
Clear
💧 93% 💨 10.1 km/h
5 AM
Clear
21°
Clear
💧 92% 💨 7.9 km/h
6 AM
Clear
21°
Clear
💧 92% 💨 7.6 km/h
7 AM
Sunny
23°
Sunny
💧 91% 💨 7.2 km/h
8 AM
Sunny
24°
Sunny
💧 80% 💨 7.6 km/h
9 AM
Sunny
26°
Sunny
💧 72% 💨 10.1 km/h
10 AM
Sunny
28°
Sunny
💧 65% 💨 11.5 km/h
11 AM
Partly cloudy
27°
Partly cloudy
💧 70% 💨 11.9 km/h
12 PM
Sunny
31°
Sunny
💧 60% 💨 14 km/h
1 PM
Sunny
31°
Sunny
💧 62% 💨 15.5 km/h
2 PM
Sunny
31°
Sunny
💧 64% 💨 16.2 km/h
3 PM
Sunny
31°
Sunny
💧 66% 💨 15.5 km/h
4 PM
Sunny
29°
Sunny
💧 69% 💨 13.7 km/h
5 PM
Sunny
28°
Sunny
💧 72% 💨 12.2 km/h
6 PM
Sunny
27°
Sunny
💧 75% 💨 11.5 km/h
7 PM
Clear
26°
Clear
💧 79% 💨 10.8 km/h
8 PM
Clear
25°
Clear
💧 82% 💨 11.2 km/h
9 PM
Partly Cloudy
25°
Partly Cloudy
💧 84% 💨 12.2 km/h
10 PM
Partly Cloudy
24°
Partly Cloudy
💧 85% 💨 12.2 km/h
11 PM
Partly Cloudy
24°
Partly Cloudy
💧 86% 💨 11.5 km/h

3-Day Forecast

Daily overview for San Germán, Puerto Rico

Today
Sunny
Sunny
31° / 21°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 16.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.9
🌅 Sunrise: 06:12 AM
🌇 Sunset: 06:45 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
Patchy rain nearby
30° / 22°
🌧️ 84% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 1.08 mm
☀️ UV Index: 2.8
🌅 Sunrise: 06:11 AM
🌇 Sunset: 06:45 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Moderate rain
Moderate rain
30° / 22°
🌧️ 86% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 11.97 mm
☀️ UV Index: 2.3
🌅 Sunrise: 06:11 AM
🌇 Sunset: 06:46 PM
🌙 New Moon
🌑 Moon: 0% lit

Best Time to Visit San Germán

Plan your trip to San Germán, United States around the most favorable weather conditions.

Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
← Back to San Germán 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in San Germán?
Current conditions in San Germán: Partly cloudy, temperature 27°C, humidity 70%.
What is the best time to visit San Germán?
The best time to visit San Germán is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in San Germán?
San Germán is located at approximately 18.1° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in San Germán?
The wettest period in San Germán is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to San Germán?
For visits to San Germán during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is San Germán in?
San Germán is located in United States, in the state of Puerto Rico.
What are the public holidays in San Germán in 2026?
View the 2026 public holidays for San Germán on our Holidays page.
What are the GPS coordinates used for the weather forecast in San Germán?
The weather forecast for San Germán uses coordinates 18.0809, -67.0409.