26.08
wed
wed
Day
90°F
NE 9 mph
Precip.
10%
10%
Night
77°F
SW 2 mph
Precip.
6%
6%
27.08
thu
thu
Day
90°F
N 11 mph
Precip.
9%
9%
Night
81°F
N 1 mph
Precip.
4%
4%
28.08
fri
fri
Day
99°F
N 12 mph
Precip.
8%
8%
Night
79°F
W 4 mph
Precip.
9%
9%
29.08
sat
sat
Day
95°F
E 10 mph
Precip.
9%
9%
Night
79°F
SE 5 mph
Precip.
5%
5%
30.08
sun
sun
Day
91°F
NE 9 mph
Precip.
10%
10%
Night
75°F
SE 3 mph
Precip.
7%
7%
31.08
mon
mon
Day
90°F
E 11 mph
Precip.
1%
1%
Night
77°F
SE 8 mph
Precip.
4%
4%
01.09
tue
tue
Day
90°F
E 9 mph
Precip.
1%
1%
Night
75°F
SE 6 mph
Precip.
4%
4%
02.09
wed
wed
Day
90°F
N 9 mph
Precip.
6%
6%
Night
75°F
E 2 mph
Precip.
8%
8%
03.09
thu
thu
Day
84°F
N 11 mph
Precip.
12%
12%
Night
73°F
SW 4 mph
Precip.
2%
2%
04.09
fri
fri
Day
86°F
NE 8 mph
Precip.
1%
1%
Night
73°F
NE 5 mph
Precip.
5%
5%
05.09
sat
sat
Day
86°F
NE 9 mph
Precip.
1%
1%
Night
73°F
S 3 mph
Precip.
5%
5%
06.09
sun
sun
Day
86°F
NE 8 mph
Precip.
1%
1%
Night
73°F
SE 6 mph
Precip.
4%
4%
07.09
mon
mon
Day
86°F
NE 7 mph
Precip.
1%
1%
Night
73°F
SE 8 mph
Precip.
9%
9%
08.09
tue
tue
Day
77°F
N 6 mph
Precip.
36%
36%
Night
73°F
NW 4 mph
Precip.
11%
11%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 84.4°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 78.3°F and 75.2°F.
Air temperature in Nettuno, °F
Precipitation total in Nettuno, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Nettuno
Nettuno on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Nettuno
Local time: 19:49
August 26, wednesday
2100
79°F
E
5 mph
5 mph
August 27, thursday
0000
77°F
SW
2 mph
2 mph
0300
77°F
NE
3 mph
3 mph
0600
75°F
W
6 mph
6 mph
0900
86°F
NW
6 mph
6 mph
1200
90°F
N
11 mph
11 mph
1500
91°F
N
9 mph
9 mph
1800
90°F
N
6 mph
6 mph
