Niteroi Weather Conditions
Current Temperature Level
Niteroi Weather Conditions
Current Temperature Level
Feels Like 19°C
Chances of Rain40%
18°40%9 AM18°41%10 AM
19°38%11 AM19°37%12 PM19°34%1 PM19°30%2 PM20°26%3 PM20°23%4 PM20°20%5 PM20°17%6 PM
19°17%7 PM19°20%8 PM
18°22%9 PM19°21%10 PM19°21%11 PM18°21%12 AM18°20%1 AM18°19%2 AM18°19%3 AM18°20%4 AM18°20%5 AM18°19%6 AM18°18%7 AM18°17%Brief rain showers may pass through.
Last Updated: 2026-08-11 08:30 (Local Time)
109°ESE
Direction
4.7km/h
Wind Speed
Gust Speed
1.9m/s
Precipitation
Precipitation
0.17mm
Pressure
1028mb
UV Index
0.2Low
Today
19
°C
83%Wednesday
21
°C72%Thursday
24
°C66%Friday
24
°C75%Saturday
24
°C78%Sunday
26
°C64%Monday
28
°C54%Tuesday
23
°C77%Wednesday
22
°C75%Thursday
21
°C77%Patchy rain nearby
Occasional light rain is expected and humidity will be 83%, with winds at 10.1 km/h.20°C / 18°C
Humi.83 %
Prec.2.77 mm
Sunrise
06:19 AM11hrs 16min
Sunset
05:35 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Rain Shower
19 °C
89 %
0
7.9 kmph / SSE
Rain Shower
Feels 19 °C
Cover 100 %
Visibility 10 km
1 AM
Rain Shower
18 °C
90 %
0
8.3 kmph / SSE
Rain ShowerFeels 19 °C
Cover 100 %
Visibility 10 km
2 AM
Rain Shower
18 °C
89 %
0
8.6 kmph / SSE
Rain ShowerFeels 19 °C
Cover 100 %
Visibility 10 km
3 AM
Rain Shower
18 °C
88 %
0
9 kmph / SSE
Rain ShowerFeels 19 °C
Cover 100 %
Visibility 10 km
4 AM
Patchy rain nearby
18 °C
87 %
0
8.3 kmph / SSE
Patchy rain nearbyFeels 19 °C
Cover 100 %
Visibility 10 km
5 AM
Patchy rain nearby
18 °C
87 %
0
7.6 kmph / SE
Patchy rain nearbyFeels 18 °C
Cover 100 %
Visibility 10 km
6 AM
Patchy rain nearby
18 °C
86 %
0
6.1 kmph / SE
Patchy rain nearbyFeels 19 °C
Cover 100 %
Visibility 10 km
7 AM
Rain Shower
18 °C
86 %
0
5 kmph / SE
Rain ShowerFeels 19 °C
Cover 100 %
Visibility 10 km
8 AM
Rain Shower
18 °C
86 %
0.2
4.7 kmph / ESE
Rain ShowerFeels 19 °C
Cover 100 %
Visibility 10 km
9 AM
Rain Shower
18 °C
85 %
0.6
5 kmph / ESE
Rain ShowerFeels 19 °C
Cover 100 %
Visibility 10 km
10 AM
Patchy rain nearby
19 °C
85 %
1
5 kmph / E
Patchy rain nearbyFeels 20 °C
Cover 100 %
Visibility 10 km
11 AM
Patchy rain nearby
19 °C
84 %
1.5
5 kmph / E
Patchy rain nearbyFeels 20 °C
Cover 100 %
Visibility 10 km
12 PM
Patchy rain nearby
19 °C
83 %
1.4
5.8 kmph / E
Patchy rain nearbyFeels 20 °C
Cover 100 %
Visibility 10 km
1 PM
Patchy rain nearby
19 °C
80 %
1.3
5 kmph / E
Patchy rain nearbyFeels 20 °C
Cover 98 %
Visibility 10 km
2 PM
Patchy rain nearby
20 °C
77 %
1
6.5 kmph / ESE
Patchy rain nearbyFeels 20 °C
Cover 97 %
Visibility 10 km
3 PM
Patchy rain nearby
20 °C
76 %
0.5
8.3 kmph / ESE
Patchy rain nearbyFeels 20 °C
Cover 95 %
Visibility 10 km
4 PM
Patchy rain nearby
20 °C
75 %
0.2
10.1 kmph / ESE
Patchy rain nearbyFeels 20 °C
Cover 85 %
Visibility 10 km
5 PM
Patchy rain nearby
20 °C
76 %
0
9 kmph / E
Patchy rain nearbyFeels 19 °C
Cover 74 %
Visibility 10 km
6 PM
Cloudy
19 °C
79 %
0
7.6 kmph / E
CloudyFeels 19 °C
Cover 71 %
Visibility 10 km
7 PM
Cloudy
19 °C
80 %
0
7.2 kmph / ESE
CloudyFeels 19 °C
Cover 80 %
Visibility 10 km
8 PM
Overcast
18 °C
80 %
0
7.2 kmph / E
OvercastFeels 19 °C
Cover 88 %
Visibility 10 km
9 PM
Overcast
19 °C
80 %
0
7.9 kmph / E
OvercastFeels 19 °C
Cover 88 %
Visibility 10 km
10 PM
Cloudy
19 °C
80 %
0
7.9 kmph / E
CloudyFeels 19 °C
Cover 86 %
Visibility 10 km
11 PM
Cloudy
18 °C
80 %
0
7.6 kmph / E
CloudyFeels 19 °C
Cover 86 %
Visibility 10 km
27°16°29°17°27°18°29°18°31°20°33°21°34°22°31°20°32°22°22°19°19°18°25°17°29°18°30°20°27°20°30°20°33°21°
26°18°27°18°25°18°24°18°25°17°27°18°26°18°26°19°25°18°24°18°25°18°25°18°27°18°26°18°AugustWeather Overview
No. of days:
Sunny
12
Cloudy
2
Rainy
14
Snowy
0
The monthly weather averages in Niteroi consist of 12 sunny days, 2 cloudy days, 14 rainy days, and 0 snowy days.
Niteroi's Locations Weather Conditions
Brazil's Hottest Cities - August 2026
1.
Manaus, Amazonas
26 °C
Sunny
55%
0.4
3.6 kmph / E
2.
Brasilia, Distrito Federal
22 °C
Sunny
37%
1.2
19.1 kmph / ENE
3.
Vitoria, Espirito Santo
21 °C
Rain Shower
86%
0.7
18.7 kmph / S
4.
Vila Velha, Espirito Santo
21 °C
Rain Shower
85%
1
16.9 kmph / S
5.
Ribeirao Preto, State Of Sao Paulo
20 °C
Sunny
67%
0.5
13.3 kmph / ESE
6.
Sao Jose Do Rio Preto, State Of Sao Paulo
19 °C
Sunny
68%
0.6
21.2 kmph / ESE
7.
Niteroi, Rio de Janeiro
18 °C
Rain Shower
86%
0.2
4.7 kmph / ESE
8.
Sao Joao da Boa Vista, State Of Sao Paulo
18 °C
Sunny
75%
1
5.8 kmph / ENE
9.
Rio de Janeiro, Rio de Janeiro
18 °C
Rain Shower
90%
0.2
3.6 kmph / E
10.
Catanduva, State Of Sao Paulo
18 °C
Sunny
71%
0.6
23.8 kmph / ESE
Last Updated: 11 Aug 2026, 12:01 PM
City Weather RankingsFAQs About Niteroi Weather Conditions
1. What is the current temperature in Niteroi today - 11 August 2026?
1. What is the current temperature in Niteroi today - 11 August 2026?
The current temperature in Niteroi is 18°C, with a feels-like temperature of 19°C. Today's forecast shows a high of 20°C and a low of 18°C, giving a 2 degree swing through the day as of 08:30 AM 11 August 2026.
2. What are the current weather parameters in Niteroi today?
2. What are the current weather parameters in Niteroi today?
Here is a complete overview of Niteroi's current weather conditions as of 08:30 AM 11 August 2026: Condition : Rain Shower Temperature : 18°C Cool (Feels like 19°C) Humidity : 86% Wind Speed : 4.7 km/h from ESE (109 degrees), Gust 1.9 m/s UV Index : 0.2 (Low Air Pressure : 1028 mb Cloud Cover : 100% Visibility : 10 km Precipitation : 0.17 mm (78% chance of rain)
3. What is the 10-day weather forecast for Niteroi from 08:30 AM 11 August 2026?
3. What is the 10-day weather forecast for Niteroi from 08:30 AM 11 August 2026?
From 08:30 AM 11 August 2026, Niteroi's 10-day forecast shows this trend: Today (Aug. 11) : Temp. 19°C, Hum. 83% and Patchy rain nearby condition. Wednesday (Aug. 12) : Temp. 21°C, Hum. 72% and Partly Cloudy condition. Thursday (Aug. 13) : Temp. 24°C, Hum. 66% and Sunny condition. Friday (Aug. 14) : Temp. 24°C, Hum. 75% and Smoky haze condition. Saturday (Aug. 15) : Temp. 24°C, Hum. 78% and Sunny condition. Sunday (Aug. 16) : Temp. 26°C, Hum. 64% and Sunny condition. Monday (Aug. 17) : Temp. 28°C, Hum. 54% and Sunny condition. Tuesday (Aug. 18) : Temp. 23°C, Hum. 77% and Patchy rain nearby condition. Wednesday (Aug. 19) : Temp. 22°C, Hum. 75% and Heavy Rain condition. Thursday (Aug. 20) : Temp. 21°C, Hum. 77% and Rain Showers condition.
4. Will it rain in Niteroi today?
4. Will it rain in Niteroi today?
As of 08:30 AM 11 August 2026, yes — Niteroi is currently experiencing rainfall with 0.17 mm of precipitation. This is expected to temporarily improve AQI by washing pollutants out of the atmosphere.
5. What is the monthly weather forecast for Niteroi in August 2026?
5. What is the monthly weather forecast for Niteroi in August 2026?
August 2026 in Niteroi is forecast to have 12 sunny days, 14 rainy days, 2 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 16°C to highs of 34°C.
6. How does the weather in Niteroi affect air quality?
6. How does the weather in Niteroi affect air quality?
Weather directly impacts air quality in Niteroi. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.
