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Porto Nacional weather

At 11:30 PM local time it was cloudy and 27°C (80°F). Light rain for 5 of the next 24 hours (under 1 mm/h, 1.5 mm total) — cloudy, but fine to be out. Best months for weather: May–Aug. Porto Nacional sits 226 m (742 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Porto Nacional, Tocantins, Brazil.

Porto Nacional · Cloudy · 27°
Sat, Oct 31 · 11:30 PM
Reference footage
Angle 1/3

Current conditions

☁️
27°
Cloudy
Clouds
97%
Chance of rain
2%
Rain
0.0 mm/h

Hourly Forecast

Light rain for 5 of the next 24 hours (under 1 mm/h, 1.5 mm total) — cloudy, but fine to be out

2%
☁️11 PM
4%
☁️12 AM
5%
☁️1 AM
7%
☀️2 AM
8%
🌤️3 AM
10%
⛅4 AM
12%
🌦️5 AM
12%
🌦️6 AM
9%
🌦️7 AM
5%
🌦️8 AM
2%
☀️9 AM
0%
☀️10 AM
0%
☀️11 AM
0%
☀️12 PM
3%
☀️1 PM
7%
☀️2 PM
12%
☀️3 PM
17%
☀️4 PM
23%
🌦️5 PM
24%
☀️6 PM
18%
☀️7 PM
7%
🌤️8 PM
0%
🌤️9 PM
0%
☀️10 PM

Daily Forecast

S
M
T
W
T
F
S
Oct 18
19
20
21
22
23
24🌦️35°26°1.3 mm
25⛈️35°25°7.4 mm
26🌦️31°25°10.9 mm
27🌦️31°25°0.9 mm
28🌦️32°26°1.2 mm
29🌦️31°25°1.8 mm
30🌦️32°24°0.3 mm
31🌦️33°25°💧78%
Nov 1🌦️32°25°💧24%
2⛈️33°24°💧32%
3⛈️33°26°💧29%
4⛈️33°25°💧41%
5🌦️32°25°💧59%
6⛈️34°26°💧24%
7🌦️33°23°💧59%
8🌦️32°23°💧50%
9🌦️32°25°💧65%
10🌦️32°25°💧68%
11🌦️33°24°💧65%
12⛈️30°25°💧65%
13⛈️31°25°💧72%
14🌦️32°25°💧77%
15🌦️36°23°💧56%
16
17
18
19
20
21
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Best Time to Visit

Peak season May–AugOff season Oct–Mar

Off260 mm
30°22°☁ 81%Jan
Off218 mm
29°22°☁ 81%Feb
Off242 mm
29°22°☁ 81%Mar
Fair155 mm
30°22°☁ 67%Apr
Peak47 mm
30°21°☁ 48%May
Peak8 mm
31°19°☁ 24%Jun
Peak1 mm
32°18°☁ 16%Jul
Peak3 mm
35°20°☁ 23%Aug
Fair36 mm
37°22°☁ 43%Sep
Off104 mm
35°23°☁ 72%Oct
Off179 mm
32°22°☁ 80%Nov
Off219 mm
31°22°☁ 80%Dec

About Porto Nacional weather

Is it raining in Porto Nacional right now?

No. It’s cloudy and 27° right now. Light rain for 5 of the next 24 hours (under 1 mm/h, 1.5 mm total) — cloudy, but fine to be out.

What’s the weather like in Porto Nacional this week?

Over the next 7 days, expect highs of 32–34° and lows of 24–26°. Rain is likely on 7 of 7 days (Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, Friday). The driest day looks like Sunday.

Has it been raining in Porto Nacional lately?

In the past 7 days, Porto Nacional had 5 rainy days and 23.8 mm of rain in total.

What should I pack for Porto Nacional?

For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.

Porto Nacional weather by month

When is the best time to visit Porto Nacional?

Based on weather alone, the best time to visit Porto Nacional is May–Aug, according to NASA's 2001–2025 climate averages. Oct–Mar tends to be the least pleasant. Average highs run from 29°C (85°F) in March to 37°C (98°F) in September.

What is the rainiest month in Porto Nacional?

January is the wettest month, with about 260 mm (10.2 in) of rain on average. July is the driest, with about 1 mm (0.0 in).

What is the hottest month in Porto Nacional?

September is the warmest, with average highs of 37°C (98°F) and lows of 22°C (72°F). March is the coolest, with highs of 29°C (85°F) and lows of 22°C (71°F).

Does Porto Nacional have a rainy season?

Yes. Nov–Apr is the rainy season (150 mm or more a month), while May–Sep is usually dry (under 60 mm).

Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months

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Weather near Porto Nacional

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