Live Weather & Forecast
Weather in Santiago
Ilocos Sur, Philippines · Real-time conditions & 3-day outlook
33°C
Feels like 38°C
91°F / Feels 100°F
Sunny
Santiago, Ilocos Sur
🌞 Daytime
Updated: 2026-05-03 12:15
Humidity
57%
Wind
19.1 km/h W
Wind Gust
22 km/h
Pressure
1010 mb
Visibility
10 km
UV Index
10.9
(Very High)
Precipitation
0 mm
Cloud Cover
17%
Dew Point
23°C
Wind Degree
271°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
198.9 μg/m³
NO₂
8.3 μg/m³
O₃
72 μg/m³
SO₂
4.3 μg/m³
PM 2.5
20.8 μg/m³
PM 10
21.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for Santiago, Ilocos Sur
12 AM
27°
Clear
1 AM
27°
Patchy rain nearby
2 AM
26°
Clear
3 AM
26°
Clear
4 AM
26°
Clear
5 AM
25°
Clear
6 AM
26°
Sunny
7 AM
29°
Sunny
8 AM
31°
Sunny
9 AM
32°
Sunny
10 AM
33°
Sunny
11 AM
33°
Sunny
12 PM
33°
Sunny
1 PM
33°
Sunny
2 PM
32°
Sunny
3 PM
32°
Sunny
4 PM
31°
Patchy rain nearby
5 PM
30°
Patchy rain nearby
6 PM
30°
Patchy rain nearby
7 PM
28°
Patchy rain nearby
8 PM
28°
Clear
9 PM
28°
Clear
10 PM
27°
Clear
11 PM
27°
Clear
3-Day Forecast
Daily overview for Santiago, Ilocos Sur
Today
Patchy rain nearby
33°
/
25°
🌧️ 84% chance of rain
💧 Avg. humidity: 68%
💨 Max wind: 19.1 km/h
🌧️ Total precip: 0.36 mm
☀️ UV Index: 10.9
🌅 Sunrise: 05:32 AM
🌇 Sunset: 06:19 PM
🌙 Waning Gibbous
🌑 Moon: 98% lit
Mon, May 4
Patchy rain nearby
33°
/
25°
🌧️ 77% chance of rain
💧 Avg. humidity: 68%
💨 Max wind: 18.7 km/h
🌧️ Total precip: 2.07 mm
☀️ UV Index: 11.9
🌅 Sunrise: 05:31 AM
🌇 Sunset: 06:19 PM
🌙 Waning Gibbous
🌑 Moon: 95% lit
Tue, May 5
Patchy rain nearby
33°
/
25°
🌧️ 89% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 16.2 km/h
🌧️ Total precip: 1.45 mm
☀️ UV Index: 11.8
🌅 Sunrise: 05:31 AM
🌇 Sunset: 06:19 PM
🌙 Waning Gibbous
🌑 Moon: 90% lit
Best Time to Visit Santiago
Plan your trip to Santiago, 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 Santiago?
Current conditions in Santiago: Sunny, temperature 33°C, humidity 57%.
What is the best time to visit Santiago?
The best time to visit Santiago is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Santiago?
Santiago is located at approximately 17.3° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Santiago?
The wettest period in Santiago is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Santiago?
For visits to Santiago during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Santiago in?
Santiago is located in Philippines, in the state of Ilocos Sur.
What are the public holidays in Santiago in 2026?
View the 2026 public holidays for Santiago on our Holidays page.
What are the GPS coordinates used for the weather forecast in Santiago?
The weather forecast for Santiago uses coordinates 17.2941, 120.4453.
What is the current temperature outside in Santiago?
The current outdoor temperature in Santiago is 33°C (91°F) with sunny.
What is the hourly weather forecast for Santiago today?
Today's hour-by-hour weather breakdown for Santiago 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 Santiago tomorrow hour by hour?
Tomorrow's forecast for Santiago shows a high of 33°C and a low of 25°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Santiago?
There is a 84% chance of rain in Santiago 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 Santiago?
Yes, there is a 84% chance of rain in Santiago today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.