Live Weather & Forecast
Weather in Bayamón
Puerto Rico, United States · Real-time conditions & 3-day outlook
25°C
Feels like 28°C
77°F / Feels 82°F
Partly cloudy
Bayamón, Puerto Rico
🌙 Nighttime
Updated: 2026-04-16 00:15
Humidity
79%
Wind
9.7 km/h SE
Wind Gust
17.7 km/h
Pressure
1015 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
50%
Dew Point
22.8°C
Wind Degree
134°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
105.9 μg/m³
NO₂
2 μg/m³
O₃
58 μg/m³
SO₂
1.5 μg/m³
PM 2.5
4.6 μg/m³
PM 10
5.9 μg/m³
Weather Alerts 1
Met
· Minor · Expected
Flood Advisory issued April 15 at 7:44PM AST until April 15 at 9:45PM AST by NWS San Juan PR
* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...Catano, Dorado and Toa Baja. * WHEN...Until 945 PM AST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. Water over roadways. * ADDITIONAL DETAILS... - At 744 PM AST, Doppler radar indicated heavy rain due to thunderstorms. This will caus...
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Today's Hourly Forecast
24-hour breakdown for Bayamón, Puerto Rico
12 AM
25°
Partly Cloudy
1 AM
25°
Partly cloudy
2 AM
25°
Cloudy
3 AM
25°
Cloudy
4 AM
26°
Cloudy
5 AM
25°
Cloudy
6 AM
26°
Cloudy
7 AM
26°
Partly Cloudy
8 AM
26°
Partly Cloudy
9 AM
26°
Partly Cloudy
10 AM
27°
Cloudy
11 AM
28°
Partly Cloudy
12 PM
28°
Partly Cloudy
1 PM
28°
Partly Cloudy
2 PM
28°
Partly Cloudy
3 PM
28°
Partly Cloudy
4 PM
28°
Partly Cloudy
5 PM
27°
Partly Cloudy
6 PM
27°
Sunny
7 PM
26°
Clear
8 PM
26°
Cloudy
9 PM
26°
Overcast
10 PM
25°
Cloudy
11 PM
25°
Moderate or heavy rain shower
3-Day Forecast
Daily overview for Bayamón, Puerto Rico
Today
Patchy rain nearby
29°
/
25°
🌧️ 89% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 25.2 km/h
🌧️ Total precip: 2.58 mm
☀️ UV Index: 2.7
🌅 Sunrise: 06:07 AM
🌇 Sunset: 06:42 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Patchy rain nearby
28°
/
24°
🌧️ 78% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 19.4 km/h
🌧️ Total precip: 4.78 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:06 AM
🌇 Sunset: 06:42 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Partly Cloudy
28°
/
25°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 19.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.8
🌅 Sunrise: 06:06 AM
🌇 Sunset: 06:42 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Bayamón
Plan your trip to Bayamón, 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 Bayamón?
Current conditions in Bayamón: Partly cloudy, temperature 25°C, humidity 79%.
What is the best time to visit Bayamón?
The best time to visit Bayamón is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Bayamón?
Bayamón is located at approximately 18.4° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Bayamón?
The wettest period in Bayamón is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Bayamón?
For visits to Bayamón during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Bayamón in?
Bayamón is located in United States, in the state of Puerto Rico.
What are the public holidays in Bayamón in 2026?
View the 2026 public holidays for Bayamón on our Holidays page.
What are the GPS coordinates used for the weather forecast in Bayamón?
The weather forecast for Bayamón uses coordinates 18.3991, -66.156.