Niteroi (Região Geográfica Imediata de Tabatinga) — Weather
Sign in to add favorites
Sign InLive· Clear within 100 kmJust updated
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
Now
25°C78°F
0.70.03
21
92
04:00
25°C77°F
1.00.04
21
93
05:00
25°C77°F
32
93
06:00
25°C77°F
32
95
07:00
25°C77°F
21
95
08:00
25°C78°F
21
93
09:00
27°C80°F
21
90
10:00
28°C82°F
21
85
11:00
29°C84°F
11
79
12:00
30°C86°F
0.10.00
53
74
13:00
30°C87°F
0.10.01
32
71
14:00
31°C89°F
32
65
15:00
32°C90°F
32
61
16:00
32°C90°F
32
60
17:00
30°C87°F
0.40.02
64
67
18:00
29°C85°F
0.30.01
42
71
19:00
29°C84°F
42
77
20:00
28°C82°F
32
83
21:00
27°C80°F
53
87
22:00
27°C80°F
43
89
23:00
26°C79°F
53
89
00:00
26°C79°F
32
89
01:00
26°C78°F
32
89
02:00
25°C77°F
32
92
03:00
25°C77°F
32
93
04:00
25°C77°F
42
93
05:00
25°C76°F
32
94
06:00
24°C76°F
32
95
07:00
24°C76°F
42
96
08:00
25°C77°F
43
94
09:00
26°C80°F
53
88
10:00
28°C82°F
42
82
11:00
29°C85°F
21
74
12:00
30°C86°F
11
70
13:00
31°C88°F
11
65
14:00
32°C89°F
21
62
15:00
32°C89°F
32
62
16:00
31°C88°F
42
64
17:00
30°C86°F
0.70.03
64
71
18:00
29°C84°F
0.40.02
53
75
19:00
28°C82°F
22
79
20:00
27°C81°F
21
84
21:00
27°C80°F
0.10.01
32
86
22:00
26°C79°F
32
89
23:00
26°C79°F
42
91
00:00
26°C78°F
43
93
03:00
25°C77°F
53
95
06:00
25°C76°F
32
96
09:00
25°C78°F
1.30.05
53
92
12:00
28°C83°F
0.40.02
64
81
15:00
29°C85°F
0.70.03
74
75
mminkm/hm/smphHumidity %
Daily Forecast
Today2.9 mm0.12 inS 6 km/h2 m/s4 mph(gusts 27817)81%UV 23hTodayLight rain81%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
Light rain
81%
S 6 km/h2 m/s4 mph (gusts 27817)
2.9 mm0.12 in
UV 2
3h
Today — Hourly Forecast
Now
25°C78°F
211
04:00
25°C77°F
201
05:00
25°C77°F
312
06:00
25°C77°F
312
07:00
25°C77°F
211
08:00
25°C78°F
211
09:00
27°C80°F
211
10:00
28°C82°F
211
11:00
29°C84°F
101
12:00
30°C86°F
513
13:00
30°C87°F
312
14:00
31°C89°F
312
15:00
32°C90°F
312
16:00
32°C90°F
312
17:00
30°C87°F
624
18:00
29°C85°F
412
19:00
29°C84°F
412
20:00
28°C82°F
312
21:00
27°C80°F
513
22:00
27°C80°F
413
23:00
26°C79°F
513
06:4811.9h18:43
Tomorrow1.6 mm0.06 inW 6 km/h2 m/s4 mph(gusts 22613)82%UV 24hTomorrowLight rain82%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
Light rain
82%
W 6 km/h2 m/s4 mph (gusts 22613)
1.6 mm0.06 in
UV 2
4h
Tomorrow — Hourly Forecast
00:00
26°C79°F
312
01:00
26°C78°F
312
02:00
25°C77°F
312
03:00
25°C77°F
312
04:00
25°C77°F
412
05:00
25°C76°F
312
06:00
24°C76°F
312
07:00
24°C76°F
412
08:00
25°C77°F
413
09:00
26°C80°F
513
10:00
28°C82°F
412
11:00
29°C85°F
211
12:00
30°C86°F
101
13:00
31°C88°F
101
14:00
32°C89°F
201
15:00
32°C89°F
312
16:00
31°C88°F
412
17:00
30°C86°F
624
18:00
29°C84°F
523
19:00
28°C82°F
212
20:00
27°C81°F
211
21:00
27°C80°F
312
22:00
26°C79°F
312
23:00
26°C79°F
412
06:4811.9h18:43
Saturday7.1 mm0.28 in· heavyW 7 km/h2 m/s4 mph(gusts 24715)87%UV 12hSaturdayLight rain87%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
Light rain
87%
W 7 km/h2 m/s4 mph (gusts 24715)
7.1 mm0.28 in
UV 1
2h
Saturday — Forecast Overview
00:00
26°C78°F
413
03:00
25°C77°F
513
06:00
25°C76°F
312
09:00
25°C78°F
513
12:00
28°C83°F
624
15:00
29°C85°F
724
18:00
28°C83°F
523
21:00
26°C79°F
312
06:4811.9h18:43
Sunday6.5 mm0.26 in· heavyN 6 km/h2 m/s4 mph(gusts 21613)83%UV 17hSundayLight rain83%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
Light rain
83%
N 6 km/h2 m/s4 mph (gusts 21613)
6.5 mm0.26 in
UV 1
7h
Sunday — Forecast Overview
00:00
26°C78°F
312
03:00
22°C72°F
312
06:00
22°C72°F
211
09:00
24°C76°F
312
12:00
34°C92°F
312
15:00
34°C93°F
312
18:00
26°C79°F
624
21:00
23°C73°F
312
06:4811.9h18:43
Monday7.4 mm0.29 in· heavyN 5 km/h1 m/s3 mph(gusts 18511)87%UV 18hMondayLight rain87%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
Light rain
87%
N 5 km/h1 m/s3 mph (gusts 18511)
7.4 mm0.29 in
UV 1
8h
Monday — Forecast Overview
00:00
23°C73°F
412
03:00
22°C71°F
211
06:00
22°C71°F
312
09:00
24°C76°F
413
12:00
29°C84°F
101
15:00
30°C85°F
312
18:00
26°C79°F
513
23:00
26°C80°F
201
06:4811.9h18:43
TuesdayN 5 km/h1 m/s3 mph(gusts 1549)75%UV 19hTuesdayPartly cloudy75%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
Partly cloudy
75%
N 5 km/h1 m/s3 mph (gusts 1549)
UV 1
9h
Night26°C78°F
26°C78°FMorning30°C85°F
30°C85°FAfternoon30°C85°F
30°C85°FEvening30°C86°F
30°C86°F06:4811.9h18:43
WednesdayNE 5 km/h1 m/s3 mph(gusts 18511)73%UV 18hWednesdayDrizzle73%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
Drizzle
73%
NE 5 km/h1 m/s3 mph (gusts 18511)
UV 1
8h
Night27°C81°F
27°C81°FMorning30°C86°F
30°C86°FAfternoon30°C86°F
30°C86°FEvening30°C85°F
30°C85°F06:4811.9h18:43
Thursday2.1 mm0.08 inN 8 km/h2 m/s5 mph(gusts 1348)76%UV 111hThursdayLight rain76%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
Light rain
76%
N 8 km/h2 m/s5 mph (gusts 1348)
2.1 mm0.08 in
UV 1
11h
Night27°C80°F
27°C80°FMorning33°C91°F
33°C91°FAfternoon33°C91°F
33°C91°FEvening23°C74°F
23°C74°F06:4811.9h18:43
Extended Forecast (GFS)Friday2.3 mm0.09 inN 7 km/h2 m/s4 mph80%12hFridayLight rain80%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
Light rain
80%
N 7 km/h2 m/s4 mph
2.3 mm0.09 in
12h
Night22°C71°F
22°C71°FMorning31°C88°F
31°C88°FAfternoon31°C88°F
31°C88°FEvening24°C75°F
24°C75°F06:4811.9h18:43
Saturday2.3 mm0.09 inN 6 km/h2 m/s4 mph77%12hSaturdayLight rain77%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
Light rain
77%
N 6 km/h2 m/s4 mph
2.3 mm0.09 in
12h
Night22°C72°F
22°C72°FMorning32°C89°F
32°C89°FAfternoon32°C89°F
32°C89°FEvening26°C78°F
26°C78°F06:4711.9h18:43
Sunday0.8 mm0.03 inE 5 km/h1 m/s3 mph(gusts 1137)76%12hSundayLight rain76%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
Light rain
76%
E 5 km/h1 m/s3 mph (gusts 1137)
0.8 mm0.03 in
12h
Night22°C72°F
22°C72°FMorning32°C89°F
32°C89°FAfternoon32°C89°F
32°C89°FEvening27°C81°F
27°C81°F06:4711.9h18:43
Monday0.9 mm0.04 inNE 10 km/h3 m/s6 mph(gusts 18511)75%12hMondayDrizzle75%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
Drizzle
75%
NE 10 km/h3 m/s6 mph (gusts 18511)
0.9 mm0.04 in
12h
Night23°C74°F
23°C74°FMorning32°C89°F
32°C89°FAfternoon32°C89°F
32°C89°FEvening25°C77°F
25°C77°F06:4711.9h18:43
Tuesday2.9 mm0.11 inS 6 km/h2 m/s4 mph(gusts 17510)78%12hTuesdayDrizzle78%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
Drizzle
78%
S 6 km/h2 m/s4 mph (gusts 17510)
2.9 mm0.11 in
12h
Night23°C73°F
23°C73°FMorning29°C84°F
29°C84°FAfternoon29°C84°F
29°C84°FEvening26°C79°F
26°C79°F06:4711.9h18:43
Wednesday1.4 mm0.06 inS 5 km/h1 m/s3 mph(gusts 1549)77%12hWednesdayDrizzle77%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
Drizzle
77%
S 5 km/h1 m/s3 mph (gusts 1549)
1.4 mm0.06 in
12h
Night23°C73°F
23°C73°FMorning31°C88°F
31°C88°FAfternoon31°C88°F
31°C88°FEvening26°C79°F
26°C79°F06:4711.9h18:43
Thursday3.7 mm0.14 inNW 6 km/h2 m/s4 mph81%12hThursdayLight rain81%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
Light rain
81%
NW 6 km/h2 m/s4 mph
3.7 mm0.14 in
12h
Night22°C72°F
22°C72°FMorning32°C89°F
32°C89°FAfternoon32°C89°F
32°C89°FEvening25°C76°F
25°C76°F06:4711.9h18:43
Friday5.2 mm0.20 in· heavyNE 4 km/h1 m/s2 mph(gusts 936)80%12hFridayLight rain80%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
Light rain
80%
NE 4 km/h1 m/s2 mph (gusts 936)
5.2 mm0.20 in
12h
Night22°C72°F
22°C72°FMorning32°C90°F
32°C90°FAfternoon32°C90°F
32°C90°FEvening23°C73°F
23°C73°F06:4611.9h18:43
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.
Nearby places right now
Nova Paulina25°
Light rain
Novo Progresso25°
Light rain
Mato Grosso25°
Light rain
Nova Vida25°
Light rain
Novo São Francisco25°
Light rain
Esperança25°
Light rain
Porto Espiritual25°
Light rain
Niterói25°
Light rain
Belo Horizonte25°
Light rain
Santo Antônio25°
Thunderstorm
Nova União25°
Light rain
Nova Terra25°
Light rain
More places in Amazonas
ManausItacoatiaraManacapuruParintinsTeféTerra Nova colonyCoariMauésIrandubaHumaitáManicoréSão Gabriel da CachoeiraLábreaAutazes
More places in Amazonas