17.03
tue
tue
Day
81°F
NW 6 mph
Precip.
0%
0%
Night
73°F
SW 5 mph
Precip.
0%
0%
18.03
wed
wed
Day
82°F
NW 6 mph
Precip.
0%
0%
Night
75°F
W 5 mph
Precip.
76%
76%
19.03
thu
thu
Day
79°F
NW 6 mph
Precip.
100%
100%
Night
72°F
SW 4 mph
Precip.
100%
100%
20.03
fri
fri
Day
79°F
NW 4 mph
Precip.
100%
100%
Night
73°F
S 2 mph
Precip.
85%
85%
21.03
sat
sat
Day
81°F
N 7 mph
Precip.
87%
87%
Night
73°F
SW 3 mph
Precip.
69%
69%
22.03
sun
sun
Day
81°F
N 6 mph
Precip.
62%
62%
Night
72°F
SW 3 mph
Precip.
74%
74%
23.03
mon
mon
Day
81°F
N 6 mph
Precip.
81%
81%
Night
72°F
SW 3 mph
Precip.
0%
0%
24.03
tue
tue
Day
81°F
NW 7 mph
Precip.
77%
77%
Night
73°F
SW 2 mph
Precip.
0%
0%
25.03
wed
wed
Day
82°F
NW 5 mph
Precip.
100%
100%
Night
73°F
S 3 mph
Precip.
0%
0%
26.03
thu
thu
Day
86°F
NW 5 mph
Precip.
0%
0%
Night
75°F
SW 3 mph
Precip.
0%
0%
27.03
fri
fri
Day
86°F
NW 6 mph
Precip.
0%
0%
Night
75°F
SW 4 mph
Precip.
100%
100%
28.03
sat
sat
Day
86°F
NW 6 mph
Precip.
0%
0%
Night
77°F
S 2 mph
Precip.
0%
0%
29.03
sun
sun
Day
86°F
N 5 mph
Precip.
0%
0%
Night
77°F
SE 1 mph
Precip.
0%
0%
30.03
mon
mon
Day
84°F
NE 8 mph
Precip.
0%
0%
Night
77°F
E 2 mph
Precip.
100%
100%
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 79.9°F. The highest and lowest sea temperatures during the month were 82.8°F and 78.8°F.
Air temperature in Niteroi, °F
Precipitation total in Niteroi, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Niteroi
Niteroi on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Niteroi
Local time: 08:00
March 17, tuesday
0900
77°F
SW
2 mph
2 mph
1200
81°F
NW
6 mph
6 mph
1500
81°F
NW
10 mph
10 mph
1800
77°F
NW
9 mph
9 mph
2100
75°F
W
7 mph
7 mph
March 18, wednesday
0000
73°F
SW
5 mph
5 mph
0300
72°F
SW
3 mph
3 mph
0600
70°F
SW
3 mph
3 mph
