Live Weather & Forecast

Weather in Guayanilla

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

Flag of United States
Sunny
30°C
Feels like 36°C
87°F / Feels 96°F
Sunny
Guayanilla, Puerto Rico
🌞 Daytime
Updated: 2026-04-15 16:15
💧
Humidity
70%
💨
Wind
14.4 km/h SE
🌬️
Wind Gust
17 km/h
🌡️
Pressure
1011 mb
👁️
Visibility
16 km
☀️
UV Index
3.8 (Moderate)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
25%
💦
Dew Point
21.5°C
🌐
Wind Degree
141°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
112.9 μg/m³
NO₂
3.5 μg/m³
O₃
39 μg/m³
SO₂
1.3 μg/m³
PM 2.5
5.4 μg/m³
PM 10
7.1 μg/m³

Weather Alerts 3

Met · Moderate · Expected
Rip Current Statement issued April 15 at 9:30AM 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...

Met · Minor · Expected
Flood Advisory issued April 15 at 1:55PM AST until April 15 at 5:00PM AST by NWS San Juan PR

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...Anasco, Camuy, Hatillo, Isabela, Lares, Moca, Quebradillas and San Sebastian. * WHEN...Until 500 PM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Dangerous flows over low-water crossings. * ADDITIONAL DETAILS... - At 154 PM AST, Doppler radar indicated heavy rain due to thunders...

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Met · Minor · Expected
Flood Advisory issued April 15 at 1:01PM AST until April 15 at 3:00PM AST by NWS San Juan PR

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...Arecibo. * WHEN...Until 300 PM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 101 PM AST, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 1 and 2 inches of rain have fallen.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Today's Hourly Forecast

24-hour breakdown for Guayanilla, Puerto Rico

12 AM
Clear
22°
Clear
💧 91% 💨 6.5 km/h
1 AM
Clear
22°
Clear
💧 91% 💨 6.1 km/h
2 AM
Clear
22°
Clear
💧 93% 💨 6.8 km/h
3 AM
Mist
22°
Mist
💧 95% 💨 7.2 km/h
4 AM
Partly Cloudy
21°
Partly Cloudy
💧 94% 💨 6.8 km/h
5 AM
Clear
21°
Clear
💧 90% 💨 4.7 km/h
6 AM
Clear
21°
Clear
💧 90% 💨 5.4 km/h
7 AM
Sunny
23°
Sunny
💧 88% 💨 5.4 km/h
8 AM
Sunny
25°
Sunny
💧 76% 💨 6.5 km/h
9 AM
Sunny
26°
Sunny
💧 64% 💨 9.4 km/h
10 AM
Sunny
28°
Sunny
💧 61% 💨 12.2 km/h
11 AM
Sunny
29°
Sunny
💧 61% 💨 14.4 km/h
12 PM
Sunny
29°
Sunny
💧 63% 💨 16.2 km/h
1 PM
Partly Cloudy
28°
Partly Cloudy
💧 65% 💨 17.3 km/h
2 PM
Sunny
28°
Sunny
💧 67% 💨 17.3 km/h
3 PM
Sunny
28°
Sunny
💧 69% 💨 16.6 km/h
4 PM
Sunny
30°
Sunny
💧 70% 💨 14.4 km/h
5 PM
Sunny
27°
Sunny
💧 71% 💨 13 km/h
6 PM
Sunny
26°
Sunny
💧 74% 💨 10.8 km/h
7 PM
Clear
25°
Clear
💧 80% 💨 9.4 km/h
8 PM
Clear
24°
Clear
💧 82% 💨 8.6 km/h
9 PM
Partly Cloudy
24°
Partly Cloudy
💧 82% 💨 9 km/h
10 PM
Partly Cloudy
24°
Partly Cloudy
💧 83% 💨 9 km/h
11 PM
Partly Cloudy
23°
Partly Cloudy
💧 86% 💨 8.6 km/h

3-Day Forecast

Daily overview for Guayanilla, Puerto Rico

Today
Sunny
Sunny
31° / 20°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 3
🌅 Sunrise: 06:11 AM
🌇 Sunset: 06:44 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
Patchy rain nearby
29° / 22°
🌧️ 57% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 0.75 mm
☀️ UV Index: 2.9
🌅 Sunrise: 06:10 AM
🌇 Sunset: 06:44 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Moderate rain
Moderate rain
29° / 22°
🌧️ 81% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 18.7 km/h
🌧️ Total precip: 7.59 mm
☀️ UV Index: 2.4
🌅 Sunrise: 06:09 AM
🌇 Sunset: 06:44 PM
🌙 New Moon
🌑 Moon: 0% lit

Best Time to Visit Guayanilla

Plan your trip to Guayanilla, 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 Guayanilla 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Guayanilla?
Current conditions in Guayanilla: Sunny, temperature 30°C, humidity 70%.
What is the best time to visit Guayanilla?
The best time to visit Guayanilla is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Guayanilla?
Guayanilla is located at approximately 18° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Guayanilla?
The wettest period in Guayanilla is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Guayanilla?
For visits to Guayanilla during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Guayanilla in?
Guayanilla is located in United States, in the state of Puerto Rico.
What are the public holidays in Guayanilla in 2026?
View the 2026 public holidays for Guayanilla on our Holidays page.
What are the GPS coordinates used for the weather forecast in Guayanilla?
The weather forecast for Guayanilla uses coordinates 18.0177, -66.79.