Live Weather & Forecast
Weather in Cayey
Puerto Rico, United States · Real-time conditions & 3-day outlook
24°C
Feels like 26°C
75°F / Feels 79°F
Overcast
Cayey, Puerto Rico
🌞 Daytime
Updated: 2026-04-16 12:30
Humidity
94%
Wind
19.1 km/h ESE
Wind Gust
25.1 km/h
Pressure
1015 mb
Visibility
9 km
UV Index
11.9
(Extreme)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
22.9°C
Wind Degree
113°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
119.9 μg/m³
NO₂
1.1 μg/m³
O₃
60 μg/m³
SO₂
2.4 μg/m³
PM 2.5
5.7 μg/m³
PM 10
7.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Cayey, Puerto Rico
12 AM
23°
Partly Cloudy
1 AM
23°
Mist
2 AM
23°
Fog
3 AM
23°
Mist
4 AM
22°
Fog
5 AM
22°
Mist
6 AM
22°
Mist
7 AM
23°
Mist
8 AM
23°
Mist
9 AM
23°
Cloudy
10 AM
24°
Overcast
11 AM
24°
Overcast
12 PM
24°
Overcast
1 PM
23°
Overcast
2 PM
23°
Moderate or heavy rain shower
3 PM
23°
Overcast
4 PM
23°
Thundery outbreaks in nearby
5 PM
23°
Light rain shower
6 PM
22°
Overcast
7 PM
22°
Cloudy
8 PM
22°
Cloudy
9 PM
21°
Partly Cloudy
10 PM
21°
Partly Cloudy
11 PM
21°
Clear
3-Day Forecast
Daily overview for Cayey, Puerto Rico
Today
Moderate rain
24°
/
21°
🌧️ 86% chance of rain
💧 Avg. humidity: 94%
💨 Max wind: 19.1 km/h
🌧️ Total precip: 7.2 mm
☀️ UV Index: 2.9
🌅 Sunrise: 06:07 AM
🌇 Sunset: 06:42 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Patchy rain nearby
27°
/
20°
🌧️ 78% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 1.5 mm
☀️ UV Index: 2.5
🌅 Sunrise: 06:07 AM
🌇 Sunset: 06:42 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Moderate rain
26°
/
22°
🌧️ 84% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 16.2 km/h
🌧️ Total precip: 11.45 mm
☀️ UV Index: 2.9
🌅 Sunrise: 06:06 AM
🌇 Sunset: 06:42 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Cayey
Plan your trip to Cayey, 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.
Frequently Asked Questions
What is the current weather in Cayey?
Current conditions in Cayey: Overcast, temperature 24°C, humidity 94%.
What is the best time to visit Cayey?
The best time to visit Cayey is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Cayey?
Cayey 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 Cayey?
The wettest period in Cayey is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Cayey?
For visits to Cayey during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Cayey in?
Cayey is located in United States, in the state of Puerto Rico.
What are the public holidays in Cayey in 2026?
View the 2026 public holidays for Cayey on our Holidays page.
What are the GPS coordinates used for the weather forecast in Cayey?
The weather forecast for Cayey uses coordinates 18.1128, -66.1663.