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Weather in Castanhal, Brazil 🇧🇷

Current Weather in Castanhal

Partly Cloudy
23°C
Feels like 18°C. Partly Cloudy.
🌬️ 6 km/h NE
💧 94% Humidity
🧭 1014 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 22°C
🌅 Sunrise: 06:12 AM
🌇 Sunset: 06:15 PM
Map Overlays:

In Castanhal right now it is 23°C and partly cloudy, feeling like 18°C. Humidity is 94% with winds around 6 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Castanhal range from about 22°C to 32°C.

Hourly Forecast for Castanhal

00:00
Mist
23°
21%
01:00
Fog
22°
42%
02:00
Fog
22°
43%
03:00
Fog
22°
43%
04:00
Fog
22°
43%
05:00
Fog
22°
43%
06:00
Fog
22°
43%
07:00
Mist
23°
22%
08:00
Sunny
26°
13%
09:00
Sunny
28°
7%
10:00
Sunny
30°
5%
11:00
Sunny
31°
5%
12:00
Sunny
32°
3%
13:00
Sunny
32°
3%
14:00
Patchy rain nearby
32°
17%
15:00
Patchy rain nearby
32°
17%
16:00
Patchy rain nearby
32°
23%
17:00
Patchy rain nearby
28°
43%
18:00
Patchy rain nearby
24°
51%
19:00
Light rain shower
24°
54%
20:00
Fog
24°
51%
21:00
Fog
24°
51%
22:00
Fog
23°
54%
23:00
Fog
23°
44%

14-Day Forecast for Castanhal

Mon, Jun 22
Patchy rain nearby Patchy rain nearby
32° / 22°
Tue, Jun 23
Patchy rain nearby Patchy rain nearby
32° / 22°
Wed, Jun 24
Moderate rain Moderate rain
31° / 22°
Thu, Jun 25
Moderate rain Moderate rain
30° / 22°
Fri, Jun 26
Moderate rain Moderate rain
30° / 22°
Sat, Jun 27
Patchy rain nearby Patchy rain nearby
28° / 22°
Sun, Jun 28
Patchy rain nearby Patchy rain nearby
29° / 22°
Mon, Jun 29
Patchy rain nearby Patchy rain nearby
29° / 22°
Tue, Jun 30
Patchy rain nearby Patchy rain nearby
30° / 22°
Wed, Jul 01
Patchy rain nearby Patchy rain nearby
31° / 22°
Thu, Jul 02
Patchy rain nearby Patchy rain nearby
30° / 22°
Fri, Jul 03
Patchy rain nearby Patchy rain nearby
30° / 22°
Sat, Jul 04
Patchy rain nearby Patchy rain nearby
29° / 22°
Sun, Jul 05
Patchy rain nearby Patchy rain nearby
30° / 22°

Additional Forecasts for Castanhal

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 101.0 μg/m³
O₃ (Ozone) 24.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.1 μg/m³
SO₂ (Sulphur Dioxide) 0.7 μg/m³
PM2.5 (Fine particles) 3.7 μg/m³
PM10 (Coarse particles) 5.0 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Brazil

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Best Time to Be Outside in Castanhal Today

The most comfortable window in Castanhal today looks like 07:00 to 09:00, when it is around 25°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Castanhal

What is the temperature in Castanhal right now?

The current temperature in Castanhal is 23°C (74°F), partly cloudy (feels like 18°C).

What's the weather like in Castanhal right now?

Conditions in Castanhal right now: Partly Cloudy, humidity 94%, wind 6 km/h NE.

What is today's forecast for Castanhal?

Today in Castanhal: high 32°C, low 22°C, patchy rain nearby. Chance of rain: 51%.

What is the 7-day weather forecast for Castanhal?

Daily highs and lows for Castanhal:

  • 2026-06-22: 32°C / 22°C
  • 2026-06-23: 32°C / 22°C
  • 2026-06-24: 31°C / 22°C
  • 2026-06-25: 30°C / 22°C
  • 2026-06-26: 30°C / 22°C
  • 2026-06-27: 28°C / 22°C
  • 2026-06-28: 29°C / 22°C
Is it going to rain in Castanhal today?

There is a 51% chance of rain in Castanhal today. Total expected precipitation: 0.76 mm.

What is the wind speed in Castanhal right now?

Wind in Castanhal is currently 6 km/h (4 mph) from the NE.

What is the UV index in Castanhal right now?

The UV index in Castanhal is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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