Live Weather & Forecast
Weather in Ilocos Sur
Philippines · Real-time conditions & 3-day outlook
32°C
Feels like 36°C
89°F / Feels 97°F
Sunny
Ilocos Sur, Philippines
🌞 Daytime
Updated: 2026-05-03 09:45
Humidity
56%
Wind
9.7 km/h W
Wind Gust
11.2 km/h
Pressure
1011 mb
Visibility
10 km
UV Index
5.4
(Moderate)
Precipitation
0 mm
Cloud Cover
11%
Dew Point
22°C
Wind Degree
262°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
192.9 μg/m³
NO₂
8 μg/m³
O₃
79 μg/m³
SO₂
4.5 μg/m³
PM 2.5
23 μg/m³
PM 10
24 μg/m³
Today's Hourly Forecast
24-hour breakdown for Ilocos Sur, Philippines
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
32°
Sunny
1 PM
32°
Sunny
2 PM
32°
Patchy rain nearby
3 PM
32°
Patchy rain nearby
4 PM
31°
Partly Cloudy
5 PM
31°
Sunny
6 PM
29°
Patchy rain nearby
7 PM
28°
Patchy rain nearby
8 PM
28°
Clear
9 PM
27°
Clear
10 PM
27°
Clear
11 PM
27°
Clear
3-Day Forecast
Daily overview for Ilocos Sur, Philippines
Today
Patchy rain nearby
33°
/
25°
🌧️ 83% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 18.7 km/h
🌧️ Total precip: 0.21 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°
🌧️ 86% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 1.99 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°
🌧️ 84% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 1.56 mm
☀️ UV Index: 11.8
🌅 Sunrise: 05:31 AM
🌇 Sunset: 06:19 PM
🌙 Waning Gibbous
🌑 Moon: 90% lit
Best Time to Visit Ilocos Sur
Plan your trip around the most favorable weather conditions in Ilocos Sur, Philippines.
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 Ilocos Sur?
Current conditions in Ilocos Sur: Sunny, temperature 32°C, humidity 56%.
What is the best time to visit Ilocos Sur?
The best time to visit Ilocos Sur is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Ilocos Sur?
Ilocos Sur shares the climate of Philippines. It has a tropical or subtropical climate.
Does it rain a lot in Ilocos Sur?
Rainfall patterns in Ilocos Sur vary by season. Being in a tropical zone, Ilocos Sur can experience heavy rainfall during the wet season (June – September).
What should I pack for Ilocos Sur?
For visits during November – April: light clothing and sun protection. For the June – September period: layers and a waterproof jacket are recommended for Ilocos Sur.
What country is Ilocos Sur in?
Ilocos Sur is a state/province of Philippines.
What are the public holidays in Ilocos Sur in 2026?
View the full list of 2026 public holidays for Ilocos Sur on our Holidays page.
What are the coordinates for the weather forecast in Ilocos Sur?
The weather forecast for Ilocos Sur is based on coordinates 16.886, 120.5307.