Live Weather & Forecast
Weather in San Juan
La Union, Philippines · Real-time conditions & 3-day outlook
29°C
Feels like 32°C
84°F / Feels 90°F
Sunny
San Juan, La Union
🌞 Daytime
Updated: 2026-05-03 08:45
Humidity
68%
Wind
11.2 km/h S
Wind Gust
12.9 km/h
Pressure
1011 mb
Visibility
10 km
UV Index
2.7
(Low)
Precipitation
0 mm
Cloud Cover
7%
Dew Point
22.4°C
Wind Degree
175°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
150.9 μg/m³
NO₂
10.4 μg/m³
O₃
68 μg/m³
SO₂
7.8 μg/m³
PM 2.5
21.2 μg/m³
PM 10
22.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for San Juan, La Union
12 AM
28°
Patchy rain nearby
1 AM
28°
Patchy rain nearby
2 AM
27°
Partly Cloudy
3 AM
27°
Partly Cloudy
4 AM
27°
Partly Cloudy
5 AM
27°
Clear
6 AM
27°
Sunny
7 AM
28°
Sunny
8 AM
29°
Sunny
9 AM
30°
Sunny
10 AM
31°
Sunny
11 AM
31°
Sunny
12 PM
32°
Sunny
1 PM
31°
Patchy rain nearby
2 PM
31°
Patchy rain nearby
3 PM
31°
Sunny
4 PM
30°
Sunny
5 PM
30°
Sunny
6 PM
29°
Patchy rain nearby
7 PM
29°
Patchy rain nearby
8 PM
28°
Clear
9 PM
28°
Clear
10 PM
28°
Clear
11 PM
28°
Partly Cloudy
3-Day Forecast
Daily overview for San Juan, La Union
Today
Patchy rain nearby
32°
/
27°
🌧️ 89% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 24.8 km/h
🌧️ Total precip: 0.32 mm
☀️ UV Index: 11.9
🌅 Sunrise: 05:33 AM
🌇 Sunset: 06:18 PM
🌙 Waning Gibbous
🌑 Moon: 98% lit
Mon, May 4
Patchy rain nearby
31°
/
27°
🌧️ 84% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 25.6 km/h
🌧️ Total precip: 4.89 mm
☀️ UV Index: 12.5
🌅 Sunrise: 05:33 AM
🌇 Sunset: 06:18 PM
🌙 Waning Gibbous
🌑 Moon: 95% lit
Tue, May 5
Patchy rain nearby
32°
/
26°
🌧️ 88% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 24.8 km/h
🌧️ Total precip: 3.8 mm
☀️ UV Index: 11.3
🌅 Sunrise: 05:32 AM
🌇 Sunset: 06:19 PM
🌙 Waning Gibbous
🌑 Moon: 90% lit
Best Time to Visit San Juan
Plan your trip to San Juan, Philippines 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 San Juan?
Current conditions in San Juan: Sunny, temperature 29°C, humidity 68%.
What is the best time to visit San Juan?
The best time to visit San Juan is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in San Juan?
San Juan is located at approximately 16.7° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in San Juan?
The wettest period in San Juan is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to San Juan?
For visits to San Juan during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is San Juan in?
San Juan is located in Philippines, in the state of La Union.
What are the public holidays in San Juan in 2026?
View the 2026 public holidays for San Juan on our Holidays page.
What are the GPS coordinates used for the weather forecast in San Juan?
The weather forecast for San Juan uses coordinates 16.6699, 120.3386.
What is the current temperature outside in San Juan?
The current outdoor temperature in San Juan is 29°C (84°F) with sunny.
What is the hourly weather forecast for San Juan today?
Today's hour-by-hour weather breakdown for San Juan is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in San Juan tomorrow hour by hour?
Tomorrow's forecast for San Juan shows a high of 31°C and a low of 27°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in San Juan?
There is a 89% chance of rain in San Juan today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in San Juan?
Yes, there is a 89% chance of rain in San Juan today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.