17.07
fri
fri
Day
88°F
N 12 mph
Precip.
4%
4%
Night
77°F
N 1 mph
Precip.
11%
11%
18.07
sat
sat
Day
88°F
NE 7 mph
Precip.
3%
3%
Night
79°F
SE 7 mph
Precip.
10%
10%
19.07
sun
sun
Day
88°F
N 11 mph
Precip.
4%
4%
Night
77°F
W 5 mph
Precip.
9%
9%
20.07
mon
mon
Day
90°F
N 10 mph
Precip.
2%
2%
Night
77°F
SW 3 mph
Precip.
8%
8%
21.07
tue
tue
Day
88°F
N 11 mph
Precip.
2%
2%
Night
79°F
S 6 mph
Precip.
9%
9%
22.07
wed
wed
Day
86°F
E 10 mph
Precip.
2%
2%
Night
75°F
NE 5 mph
Precip.
8%
8%
23.07
thu
thu
Day
82°F
N 12 mph
Precip.
4%
4%
Night
73°F
SE 11 mph
Precip.
7%
7%
24.07
fri
fri
Day
81°F
N 5 mph
Precip.
4%
4%
Night
73°F
SW 7 mph
Precip.
1%
1%
25.07
sat
sat
Day
82°F
N 11 mph
Precip.
2%
2%
Night
73°F
NE 3 mph
Precip.
6%
6%
26.07
sun
sun
Day
75°F
NW 21 mph
Precip.
22%
22%
Night
70°F
NW 12 mph
Precip.
36%
36%
27.07
mon
mon
Day
77°F
NW 19 mph
Precip.
8%
8%
Night
72°F
SW 7 mph
Precip.
14%
14%
28.07
tue
tue
Day
81°F
E 7 mph
Precip.
2%
2%
Night
77°F
S 10 mph
Precip.
4%
4%
29.07
wed
wed
Day
84°F
E 9 mph
Precip.
2%
2%
Night
79°F
SE 8 mph
Precip.
4%
4%
30.07
thu
thu
Day
86°F
E 8 mph
Precip.
1%
1%
Night
81°F
SE 9 mph
Precip.
4%
4%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 79.3°F. The highest and lowest sea temperatures during the month were 82.2°F and 77.0°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: 08:37
July 17, friday
0900
84°F
NW
9 mph
9 mph
1200
88°F
N
12 mph
12 mph
1500
88°F
N
11 mph
11 mph
1800
86°F
NE
8 mph
8 mph
2100
79°F
E
4 mph
4 mph
July 18, saturday
0000
77°F
N
1 mph
1 mph
0300
77°F
NW
2 mph
2 mph
0600
75°F
NW
2 mph
2 mph
