Live Weather & Forecast
Weather in Altos
Piauí, Brazil · Real-time conditions & 3-day outlook
26°C
Feels like 30°C
79°F / Feels 85°F
Patchy rain nearby
Altos, Piauí
🌞 Daytime
Updated: 2026-04-19 17:45
Humidity
86%
Wind
6.8 km/h ENE
Wind Gust
11.8 km/h
Pressure
1008 mb
Visibility
9 km
UV Index
0.4
(Low)
Precipitation
0.31 mm
Cloud Cover
78%
Dew Point
23.7°C
Wind Degree
64°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
112.9 μg/m³
NO₂
4.6 μg/m³
O₃
37 μg/m³
SO₂
1.2 μg/m³
PM 2.5
4.8 μg/m³
PM 10
4.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Altos, Piauí
12 AM
23°
Clear
1 AM
23°
Mist
2 AM
23°
Mist
3 AM
22°
Fog
4 AM
22°
Fog
5 AM
22°
Fog
6 AM
22°
Fog
7 AM
23°
Mist
8 AM
25°
Light rain shower
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°
Patchy rain nearby
2 PM
29°
Patchy rain nearby
3 PM
29°
Patchy rain nearby
4 PM
29°
Patchy rain nearby
5 PM
26°
Patchy rain nearby
6 PM
24°
Patchy rain nearby
7 PM
23°
Mist
8 PM
23°
Mist
9 PM
23°
Mist
10 PM
23°
Mist
11 PM
22°
Fog
3-Day Forecast
Daily overview for Altos, Piauí
Today
Moderate rain
29°
/
22°
🌧️ 81% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 5.28 mm
☀️ UV Index: 9.5
🌅 Sunrise: 05:50 AM
🌇 Sunset: 05:48 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Moderate rain
29°
/
21°
🌧️ 87% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 6.5 km/h
🌧️ Total precip: 10.72 mm
☀️ UV Index: 9.9
🌅 Sunrise: 05:50 AM
🌇 Sunset: 05:48 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit
Tue, Apr 21
Moderate rain
23°
/
22°
🌧️ 89% chance of rain
💧 Avg. humidity: 95%
💨 Max wind: 5.8 km/h
🌧️ Total precip: 7.14 mm
☀️ UV Index: 2.5
🌅 Sunrise: 05:50 AM
🌇 Sunset: 05:48 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Best Time to Visit Altos
Plan your trip to Altos, 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 Altos?
Current conditions in Altos: Patchy rain nearby, temperature 26°C, humidity 86%.
What is the best time to visit Altos?
The best time to visit Altos is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Altos?
Altos is located at approximately -5° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Altos?
The wettest period in Altos is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Altos?
For visits to Altos during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Altos in 2026?
View the 2026 public holidays for Altos on our Holidays page.
What are the GPS coordinates used for the weather forecast in Altos?
The weather forecast for Altos uses coordinates -5.0394, -42.4612.