Live Weather & Forecast
Weather in Castanhal
Pará, Brazil · Real-time conditions & 3-day outlook
24°C
Feels like 27°C
76°F / Feels 81°F
Partly cloudy
Castanhal, Pará
🌞 Daytime
Updated: 2026-04-21 06:15
Humidity
100%
Wind
3.6 km/h SSW
Wind Gust
5.4 km/h
Pressure
1010 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
1.39 mm
Cloud Cover
75%
Dew Point
22.2°C
Wind Degree
202°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
117.9 μg/m³
NO₂
2.5 μg/m³
O₃
46 μg/m³
SO₂
1.7 μg/m³
PM 2.5
5 μg/m³
PM 10
5.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Castanhal, Pará
12 AM
23°
Light rain shower
1 AM
23°
Light rain shower
2 AM
23°
Light rain shower
3 AM
22°
Light rain shower
4 AM
22°
Light rain
5 AM
22°
Light rain
6 AM
24°
Partly cloudy
7 AM
23°
Patchy light drizzle
8 AM
23°
Mist
9 AM
25°
Partly Cloudy
10 AM
28°
Patchy rain nearby
11 AM
29°
Light rain shower
12 PM
28°
Light rain shower
1 PM
28°
Light rain shower
2 PM
27°
Light rain shower
3 PM
26°
Light rain shower
4 PM
25°
Moderate or heavy rain shower
5 PM
24°
Light rain shower
6 PM
24°
Light rain shower
7 PM
23°
Light rain shower
8 PM
23°
Light rain shower
9 PM
23°
Moderate or heavy rain shower
10 PM
23°
Moderate rain
11 PM
23°
Moderate rain
3-Day Forecast
Daily overview for Castanhal, Pará
Today
Heavy rain
29°
/
22°
🌧️ 98% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 4.7 km/h
🌧️ Total precip: 35.87 mm
☀️ UV Index: 12.1
🌅 Sunrise: 06:08 AM
🌇 Sunset: 06:12 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Moderate rain
24°
/
22°
🌧️ 91% chance of rain
💧 Avg. humidity: 98%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 19.23 mm
☀️ UV Index: 8.3
🌅 Sunrise: 06:08 AM
🌇 Sunset: 06:12 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Moderate rain
30°
/
21°
🌧️ 84% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 5.52 mm
☀️ UV Index: 12.5
🌅 Sunrise: 06:08 AM
🌇 Sunset: 06:12 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit Castanhal
Plan your trip to Castanhal, 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 Castanhal?
Current conditions in Castanhal: Partly cloudy, temperature 24°C, humidity 100%.
What is the best time to visit Castanhal?
The best time to visit Castanhal is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Castanhal?
Castanhal is located at approximately -1.3° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Castanhal?
The wettest period in Castanhal is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Castanhal?
For visits to Castanhal during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Castanhal in 2026?
View the 2026 public holidays for Castanhal on our Holidays page.
What are the GPS coordinates used for the weather forecast in Castanhal?
The weather forecast for Castanhal uses coordinates -1.2927, -47.9224.
What is the current temperature outside in Castanhal?
The current outdoor temperature in Castanhal is 24°C (75°F) with partly cloudy.
What is the hourly weather forecast for Castanhal today?
Today's hour-by-hour weather breakdown for Castanhal 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 Castanhal tomorrow hour by hour?
Tomorrow's forecast for Castanhal shows a high of 24°C and a low of 22°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Castanhal?
There is a 98% chance of rain in Castanhal 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 Castanhal?
Yes, there is a 98% chance of rain in Castanhal today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.