Niteroi (Região Geográfica Imediata de Tabatinga) — Weather
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25°C78°F· Light rain · 91% cloud cover
Feels like 31°C87°F · Low 25°C77°F · High 32°C90°F
Wind
2 km/h1 m/s1 mph from E
Humidity
92%
Pressure
1010 hPa29.83 inHgstable
UV Index
0.0Low(night)
Unsettled — heat + rain
Right now in Niteroi: 25°C77°F, rain.
⛈️ Extended wet spell, moderate-intensity Thursday–Monday, with rain and embedded thunderstorms. Total ~25.5 mm. Peak Monday (7.4 mm). Typical for the month (normal ~116 mm/month).
🔥 At 32°C90°F, today runs 6.4°C39°F markedly warmer than the July average of 26°C79°F.
🌤️ Skies clearing from 06:00.
Hourly forecast
Detailed forecast for the next 60 hours
TemperaturePrecipitationWind
CAPE (J/kg)Instability Threshold
mminkm/hm/smphHumidity %
Daily Forecast
Today2.9 mm0.12 inS 6 km/h2 m/s4 mph(gusts 27817)81%UV 23hToday81%S 6 km/h2 m/s4 mph (gusts 27817)2.9 mm0.12 inUV 23h
Today
2.9 mm0.12 inS 6 km/h2 m/s4 mph(gusts 27817)81%UV 23h
Today
81%
S 6 km/h2 m/s4 mph (gusts 27817)
2.9 mm0.12 in
UV 2
3h
Today — Hourly Forecast
06:4811.9h18:43
Tomorrow1.6 mm0.06 inW 6 km/h2 m/s4 mph(gusts 22613)82%UV 24hTomorrow82%W 6 km/h2 m/s4 mph (gusts 22613)1.6 mm0.06 inUV 24h
Tomorrow
1.6 mm0.06 inW 6 km/h2 m/s4 mph(gusts 22613)82%UV 24h
Tomorrow
82%
W 6 km/h2 m/s4 mph (gusts 22613)
1.6 mm0.06 in
UV 2
4h
Tomorrow — Hourly Forecast
06:4811.9h18:43
Saturday7.1 mm0.28 in· heavyW 7 km/h2 m/s4 mph(gusts 24715)87%UV 12hSaturday87%W 7 km/h2 m/s4 mph (gusts 24715)7.1 mm0.28 inUV 12h
Saturday
7.1 mm0.28 in· heavyW 7 km/h2 m/s4 mph(gusts 24715)87%UV 12h
Saturday
87%
W 7 km/h2 m/s4 mph (gusts 24715)
7.1 mm0.28 in
UV 1
2h
Saturday — Forecast Overview
06:4811.9h18:43
Sunday6.5 mm0.26 in· heavyN 6 km/h2 m/s4 mph(gusts 21613)83%UV 17hSunday83%N 6 km/h2 m/s4 mph (gusts 21613)6.5 mm0.26 inUV 17h
Sunday
6.5 mm0.26 in· heavyN 6 km/h2 m/s4 mph(gusts 21613)83%UV 17h
Sunday
83%
N 6 km/h2 m/s4 mph (gusts 21613)
6.5 mm0.26 in
UV 1
7h
Sunday — Forecast Overview
06:4811.9h18:43
Monday7.4 mm0.29 in· heavyN 5 km/h1 m/s3 mph(gusts 18511)87%UV 18hMonday87%N 5 km/h1 m/s3 mph (gusts 18511)7.4 mm0.29 inUV 18h
Monday
7.4 mm0.29 in· heavyN 5 km/h1 m/s3 mph(gusts 18511)87%UV 18h
Monday
87%
N 5 km/h1 m/s3 mph (gusts 18511)
7.4 mm0.29 in
UV 1
8h
Monday — Forecast Overview
06:4811.9h18:43
TuesdayN 5 km/h1 m/s3 mph(gusts 1549)75%UV 19hTuesday75%N 5 km/h1 m/s3 mph (gusts 1549)UV 19h
Tuesday
N 5 km/h1 m/s3 mph(gusts 1549)75%UV 19h
Tuesday
75%
N 5 km/h1 m/s3 mph (gusts 1549)
UV 1
9h
Night
26°C78°F
Morning
30°C85°F
Afternoon
30°C85°F
Evening
30°C86°F
06:4811.9h18:43
WednesdayNE 5 km/h1 m/s3 mph(gusts 18511)73%UV 18hWednesday73%NE 5 km/h1 m/s3 mph (gusts 18511)UV 18h
Wednesday
NE 5 km/h1 m/s3 mph(gusts 18511)73%UV 18h
Wednesday
73%
NE 5 km/h1 m/s3 mph (gusts 18511)
UV 1
8h
Night
27°C81°F
Morning
30°C86°F
Afternoon
30°C86°F
Evening
30°C85°F
06:4811.9h18:43
Thursday2.1 mm0.08 inN 8 km/h2 m/s5 mph(gusts 1348)76%UV 111hThursday76%N 8 km/h2 m/s5 mph (gusts 1348)2.1 mm0.08 inUV 111h
Thursday
2.1 mm0.08 inN 8 km/h2 m/s5 mph(gusts 1348)76%UV 111h
Thursday
76%
N 8 km/h2 m/s5 mph (gusts 1348)
2.1 mm0.08 in
UV 1
11h
Night
27°C80°F
Morning
33°C91°F
Afternoon
33°C91°F
Evening
23°C74°F
06:4811.9h18:43
Friday2.3 mm0.09 inN 7 km/h2 m/s4 mph80%12hFriday80%N 7 km/h2 m/s4 mph2.3 mm0.09 in12h
Friday
2.3 mm0.09 inN 7 km/h2 m/s4 mph80%12h
Friday
80%
N 7 km/h2 m/s4 mph
2.3 mm0.09 in
12h
Night
22°C71°F
Morning
31°C88°F
Afternoon
31°C88°F
Evening
24°C75°F
06:4811.9h18:43
Saturday2.3 mm0.09 inN 6 km/h2 m/s4 mph77%12hSaturday77%N 6 km/h2 m/s4 mph2.3 mm0.09 in12h
Saturday
2.3 mm0.09 inN 6 km/h2 m/s4 mph77%12h
Saturday
77%
N 6 km/h2 m/s4 mph
2.3 mm0.09 in
12h
Night
22°C72°F
Morning
32°C89°F
Afternoon
32°C89°F
Evening
26°C78°F
06:4711.9h18:43
Sunday0.8 mm0.03 inE 5 km/h1 m/s3 mph(gusts 1137)76%12hSunday76%E 5 km/h1 m/s3 mph (gusts 1137)0.8 mm0.03 in12h
Sunday
0.8 mm0.03 inE 5 km/h1 m/s3 mph(gusts 1137)76%12h
Sunday
76%
E 5 km/h1 m/s3 mph (gusts 1137)
0.8 mm0.03 in
12h
Night
22°C72°F
Morning
32°C89°F
Afternoon
32°C89°F
Evening
27°C81°F
06:4711.9h18:43
Monday0.9 mm0.04 inNE 10 km/h3 m/s6 mph(gusts 18511)75%12hMonday75%NE 10 km/h3 m/s6 mph (gusts 18511)0.9 mm0.04 in12h
Monday
0.9 mm0.04 inNE 10 km/h3 m/s6 mph(gusts 18511)75%12h
Monday
75%
NE 10 km/h3 m/s6 mph (gusts 18511)
0.9 mm0.04 in
12h
Night
23°C74°F
Morning
32°C89°F
Afternoon
32°C89°F
Evening
25°C77°F
06:4711.9h18:43
Tuesday2.9 mm0.11 inS 6 km/h2 m/s4 mph(gusts 17510)78%12hTuesday78%S 6 km/h2 m/s4 mph (gusts 17510)2.9 mm0.11 in12h
Tuesday
2.9 mm0.11 inS 6 km/h2 m/s4 mph(gusts 17510)78%12h
Tuesday
78%
S 6 km/h2 m/s4 mph (gusts 17510)
2.9 mm0.11 in
12h
Night
23°C73°F
Morning
29°C84°F
Afternoon
29°C84°F
Evening
26°C79°F
06:4711.9h18:43
Wednesday1.4 mm0.06 inS 5 km/h1 m/s3 mph(gusts 1549)77%12hWednesday77%S 5 km/h1 m/s3 mph (gusts 1549)1.4 mm0.06 in12h
Wednesday
1.4 mm0.06 inS 5 km/h1 m/s3 mph(gusts 1549)77%12h
Wednesday
77%
S 5 km/h1 m/s3 mph (gusts 1549)
1.4 mm0.06 in
12h
Night
23°C73°F
Morning
31°C88°F
Afternoon
31°C88°F
Evening
26°C79°F
06:4711.9h18:43
Thursday3.7 mm0.14 inNW 6 km/h2 m/s4 mph81%12hThursday81%NW 6 km/h2 m/s4 mph3.7 mm0.14 in12h
Thursday
3.7 mm0.14 inNW 6 km/h2 m/s4 mph81%12h
Thursday
81%
NW 6 km/h2 m/s4 mph
3.7 mm0.14 in
12h
Night
22°C72°F
Morning
32°C89°F
Afternoon
32°C89°F
Evening
25°C76°F
06:4711.9h18:43
Friday5.2 mm0.20 in· heavyNE 4 km/h1 m/s2 mph(gusts 936)80%12hFriday80%NE 4 km/h1 m/s2 mph (gusts 936)5.2 mm0.20 in12h
Friday
5.2 mm0.20 in· heavyNE 4 km/h1 m/s2 mph(gusts 936)80%12h
Friday
80%
NE 4 km/h1 m/s2 mph (gusts 936)
5.2 mm0.20 in
12h
Night
22°C72°F
Morning
32°C90°F
Afternoon
32°C90°F
Evening
23°C73°F
06:4611.9h18:43
Sunrise
06:48
Civil Dawn 06:18
Sunset
18:43
Civil Dusk 19:13
Today vs. seasonal normal
+1.9°C+3.4°F
Niteroi is located in Amazonas, Brazil. Elevation: 72m. Annual average temperature: 26.5°C. Annual precipitation: 2577mm.
Frequently Asked Questions
What is the weather like in Niteroi today?
Today in Niteroi, Brazil, the temperature is 25°C with Light rain. The high is 32°C and the low is 25°C.
What is the 16-day forecast for Niteroi?
The 16-day forecast for Niteroi shows the warmest day is Friday at 36°C, while the coolest night is Friday at 21°C. 15 day(s) have precipitation expected.
What time is sunrise and sunset in Niteroi?
In Niteroi, sunrise is at 06:48 and sunset is at 18:43. Day length is approximately 11h 54m.
How accurate is the weather forecast for Niteroi?
Our forecasts for Niteroi use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Niteroi has an annual average temperature of 26.5°C and receives 2577mm of precipitation per year.
Last updated: 07/23/2026, 03:00 AM
July climate in Niteroi
Normals for July: average 26°C (21–30°C), around 116 mm of rain across the month. About 0.8°C cooler than the annual average of 26.5°C.
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