Live Weather & Forecast
Weather in Porto
Piauí, Brazil · Real-time conditions & 3-day outlook
29°C
Feels like 32°C
84°F / Feels 90°F
Patchy rain nearby
Porto, Piauí
🌞 Daytime
Updated: 2026-04-19 09:00
Humidity
71%
Wind
6.5 km/h E
Wind Gust
7.5 km/h
Pressure
1010 mb
Visibility
10 km
UV Index
5.6
(Moderate)
Precipitation
0.05 mm
Cloud Cover
85%
Dew Point
23°C
Wind Degree
79°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
105.9 μg/m³
NO₂
1.9 μg/m³
O₃
58 μg/m³
SO₂
1 μg/m³
PM 2.5
3.4 μg/m³
PM 10
3.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Porto, Piauí
12 AM
23°
Fog
1 AM
23°
Fog
2 AM
23°
Fog
3 AM
23°
Fog
4 AM
22°
Fog
5 AM
22°
Fog
6 AM
22°
Fog
7 AM
24°
Mist
8 AM
26°
Partly Cloudy
9 AM
29°
Patchy rain nearby
10 AM
30°
Patchy rain nearby
11 AM
30°
Light rain shower
12 PM
30°
Light rain shower
1 PM
31°
Patchy rain nearby
2 PM
31°
Light rain shower
3 PM
29°
Patchy rain nearby
4 PM
29°
Patchy rain nearby
5 PM
27°
Light rain shower
6 PM
24°
Patchy rain nearby
7 PM
23°
Light rain shower
8 PM
23°
Patchy rain nearby
9 PM
23°
Fog
10 PM
23°
Fog
11 PM
23°
Fog
3-Day Forecast
Daily overview for Porto, Piauí
Today
Moderate rain
31°
/
22°
🌧️ 95% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 6.5 km/h
🌧️ Total precip: 8.5 mm
☀️ UV Index: 12.4
🌅 Sunrise: 05:50 AM
🌇 Sunset: 05:50 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Moderate rain
30°
/
22°
🌧️ 87% chance of rain
💧 Avg. humidity: 92%
💨 Max wind: 4.7 km/h
🌧️ Total precip: 8.2 mm
☀️ UV Index: 11.3
🌅 Sunrise: 05:50 AM
🌇 Sunset: 05:50 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit
Tue, Apr 21
Heavy rain
28°
/
23°
🌧️ 84% chance of rain
💧 Avg. humidity: 95%
💨 Max wind: 5.8 km/h
🌧️ Total precip: 43.33 mm
☀️ UV Index: 11.1
🌅 Sunrise: 05:50 AM
🌇 Sunset: 05:50 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Best Time to Visit Porto
Plan your trip to Porto, 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 Porto?
Current conditions in Porto: Patchy rain nearby, temperature 29°C, humidity 71%.
What is the best time to visit Porto?
The best time to visit Porto is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Porto?
Porto is located at approximately -3.9° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Porto?
The wettest period in Porto is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Porto?
For visits to Porto during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Porto in 2026?
View the 2026 public holidays for Porto on our Holidays page.
What are the GPS coordinates used for the weather forecast in Porto?
The weather forecast for Porto uses coordinates -3.8929, -42.7078.