Live Weather & Forecast
Weather in Ilha Grande
Piauí, Brazil · Real-time conditions & 3-day outlook
27°C
Feels like 31°C
81°F / Feels 87°F
Light rain
Ilha Grande, Piauí
🌞 Daytime
Updated: 2026-04-21 12:15
Humidity
89%
Wind
5.8 km/h NNE
Wind Gust
7.4 km/h
Pressure
1012 mb
Visibility
10 km
UV Index
2.6
(Low)
Precipitation
0.1 mm
Cloud Cover
75%
Dew Point
22.9°C
Wind Degree
33°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
107.9 μg/m³
NO₂
1.5 μg/m³
O₃
44 μg/m³
SO₂
1.2 μg/m³
PM 2.5
3 μg/m³
PM 10
4.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Ilha Grande, Piauí
12 AM
24°
Light rain shower
1 AM
24°
Light rain shower
2 AM
23°
Moderate or heavy rain shower
3 AM
23°
Moderate or heavy rain shower
4 AM
23°
Moderate rain
5 AM
23°
Moderate rain
6 AM
23°
Patchy rain nearby
7 AM
24°
Patchy rain nearby
8 AM
24°
Cloudy
9 AM
26°
Cloudy
10 AM
27°
Partly Cloudy
11 AM
26°
Partly Cloudy
12 PM
27°
Light rain
1 PM
28°
Patchy rain nearby
2 PM
28°
Patchy rain nearby
3 PM
28°
Patchy rain nearby
4 PM
27°
Patchy rain nearby
5 PM
26°
Patchy rain nearby
6 PM
25°
Light rain shower
7 PM
24°
Light rain shower
8 PM
24°
Light rain shower
9 PM
24°
Light rain shower
10 PM
24°
Light rain shower
11 PM
24°
Moderate or heavy rain shower
3-Day Forecast
Daily overview for Ilha Grande, Piauí
Today
Heavy rain
28°
/
23°
🌧️ 99% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 31.71 mm
☀️ UV Index: 6.1
🌅 Sunrise: 05:45 AM
🌇 Sunset: 05:47 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Moderate rain
28°
/
23°
🌧️ 88% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 10.1 km/h
🌧️ Total precip: 6.55 mm
☀️ UV Index: 12.8
🌅 Sunrise: 05:45 AM
🌇 Sunset: 05:47 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Patchy rain nearby
28°
/
24°
🌧️ 85% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 14.8 km/h
🌧️ Total precip: 3.99 mm
☀️ UV Index: 12.2
🌅 Sunrise: 05:45 AM
🌇 Sunset: 05:46 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit Ilha Grande
Plan your trip to Ilha Grande, Brazil 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 Ilha Grande?
Current conditions in Ilha Grande: Light rain, temperature 27°C, humidity 89%.
What is the best time to visit Ilha Grande?
The best time to visit Ilha Grande is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Ilha Grande?
Ilha Grande is located at approximately -2.9° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Ilha Grande?
The wettest period in Ilha Grande is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Ilha Grande?
For visits to Ilha Grande during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Ilha Grande in 2026?
View the 2026 public holidays for Ilha Grande on our Holidays page.
What are the GPS coordinates used for the weather forecast in Ilha Grande?
The weather forecast for Ilha Grande uses coordinates -2.852, -41.8167.
What is the current temperature outside in Ilha Grande?
The current outdoor temperature in Ilha Grande is 27°C (81°F) with light rain.
What is the hourly weather forecast for Ilha Grande today?
Today's hour-by-hour weather breakdown for Ilha Grande 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 Ilha Grande tomorrow hour by hour?
Tomorrow's forecast for Ilha Grande shows a high of 28°C and a low of 23°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Ilha Grande?
There is a 99% chance of rain in Ilha Grande 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 Ilha Grande?
Yes, there is a 99% chance of rain in Ilha Grande today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.