25.08
tue
tue
Day
84°F
N 19 mph
Precip.
19%
19%
Night
81°F
NE 4 mph
Precip.
10%
10%
26.08
wed
wed
Day
84°F
E 7 mph
Precip.
4%
4%
Night
81°F
SW 3 mph
Precip.
6%
6%
27.08
thu
thu
Day
84°F
N 11 mph
Precip.
5%
5%
Night
84°F
NW 8 mph
Precip.
16%
16%
28.08
fri
fri
Day
86°F
N 15 mph
Precip.
12%
12%
Night
82°F
N 5 mph
Precip.
25%
25%
29.08
sat
sat
Day
90°F
SW 7 mph
Precip.
9%
9%
Night
81°F
N 2 mph
Precip.
22%
22%
30.08
sun
sun
Day
84°F
NE 6 mph
Precip.
2%
2%
Night
81°F
E 9 mph
Precip.
6%
6%
31.08
mon
mon
Day
82°F
NE 5 mph
Precip.
2%
2%
Night
79°F
SE 9 mph
Precip.
5%
5%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 84.2°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 76.8°F. The highest and lowest sea temperatures during the month were 77.9°F and 74.7°F.
Air temperature in Ostia, °F
Precipitation total in Ostia, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Ostia
Ostia on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Ostia
Local time: 19:32
August 25, tuesday
2100
82°F
E
6 mph
6 mph
August 26, wednesday
0000
81°F
NE
4 mph
4 mph
0300
81°F
W
2 mph
2 mph
0600
79°F
W
6 mph
6 mph
0900
81°F
SW
7 mph
7 mph
1200
84°F
E
7 mph
7 mph
1500
84°F
N
12 mph
12 mph
1800
84°F
E
9 mph
9 mph
