Live Weather & Forecast
Weather in Lagoa Alegre
Piauí, Brazil · Real-time conditions & 3-day outlook
25°C
Feels like 28°C
77°F / Feels 83°F
Light rain
Lagoa Alegre, Piauí
🌙 Nighttime
Updated: 2026-04-19 17:45
Humidity
94%
Wind
4.7 km/h NNE
Wind Gust
8.2 km/h
Pressure
1008 mb
Visibility
10 km
UV Index
0.3
(Low)
Precipitation
1.51 mm
Cloud Cover
75%
Dew Point
24.5°C
Wind Degree
29°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
128.9 μg/m³
NO₂
5.2 μg/m³
O₃
28 μg/m³
SO₂
1.1 μg/m³
PM 2.5
4.5 μg/m³
PM 10
4.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Lagoa Alegre, Piauí
12 AM
23°
Fog
1 AM
23°
Fog
2 AM
22°
Fog
3 AM
22°
Fog
4 AM
22°
Fog
5 AM
22°
Fog
6 AM
22°
Fog
7 AM
23°
Light rain shower
8 AM
25°
Cloudy
9 AM
27°
Patchy rain nearby
10 AM
29°
Patchy rain nearby
11 AM
29°
Light rain shower
12 PM
28°
Light rain shower
1 PM
28°
Light rain shower
2 PM
28°
Light rain shower
3 PM
28°
Light rain shower
4 PM
28°
Light rain shower
5 PM
25°
Light rain
6 PM
23°
Light rain shower
7 PM
23°
Fog
8 PM
23°
Fog
9 PM
22°
Fog
10 PM
22°
Fog
11 PM
22°
Fog
3-Day Forecast
Daily overview for Lagoa Alegre, Piauí
Today
Moderate rain
29°
/
22°
🌧️ 97% chance of rain
💧 Avg. humidity: 92%
💨 Max wind: 6.8 km/h
🌧️ Total precip: 8.21 mm
☀️ UV Index: 9.2
🌅 Sunrise: 05:51 AM
🌇 Sunset: 05:50 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Moderate rain
30°
/
21°
🌧️ 90% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 5.4 km/h
🌧️ Total precip: 5.69 mm
☀️ UV Index: 10.1
🌅 Sunrise: 05:51 AM
🌇 Sunset: 05:50 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit
Tue, Apr 21
Moderate rain
26°
/
22°
🌧️ 86% chance of rain
💧 Avg. humidity: 95%
💨 Max wind: 6.5 km/h
🌧️ Total precip: 15.56 mm
☀️ UV Index: 5.3
🌅 Sunrise: 05:51 AM
🌇 Sunset: 05:50 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Best Time to Visit Lagoa Alegre
Plan your trip to Lagoa Alegre, 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 Lagoa Alegre?
Current conditions in Lagoa Alegre: Light rain, temperature 25°C, humidity 94%.
What is the best time to visit Lagoa Alegre?
The best time to visit Lagoa Alegre is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Lagoa Alegre?
Lagoa Alegre is located at approximately -4.5° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Lagoa Alegre?
The wettest period in Lagoa Alegre is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Lagoa Alegre?
For visits to Lagoa Alegre during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Lagoa Alegre in 2026?
View the 2026 public holidays for Lagoa Alegre on our Holidays page.
What are the GPS coordinates used for the weather forecast in Lagoa Alegre?
The weather forecast for Lagoa Alegre uses coordinates -4.5142, -42.6249.