Current sea water temperature:
+84.9°F
| Minimum sea water temperature in August: | 84.9°F |
| Maximum sea water temperature in August: | 73.8°F |
| Average sea water temperature in August: | 79.1°F |
| more information | |
14 days
forecast
forecast
| Ostia |
monthly
weather
weather
| Ostia |
Sea water temperature for the last 10 days:
| August 5 | 84.9°F | July 31 | 83.5°F |
| August 4 | 83.8°F | July 30 | 83.5°F |
| August 3 | 83.8°F | July 29 | 82.9°F |
| August 2 | 83.8°F | July 28 | 82.6°F |
| August 1 | 83.5°F | July 27 | 81.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Ostia?
Based on the data about daily sea water temperature for the last three years the warmest sea in Ostia was noticed in August, July and September.
Monthly Sea Temperatures in Ostia, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 77.9°F. The highest and lowest sea temperatures during the month were 80.2°F and 73.8°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 81.6°F. The highest and lowest sea temperatures during the month were 85.1°F and 76.5°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.
current
weather
weather
| Ostia |
weather in
August
August
| Ostia |
Best time for vacation in Ostia
Ostia on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Ostia
Local time: 15:34
August 05, wednesday
1800

86°F
N
3 mph
3 mph
2100

82°F
SW
7 mph
7 mph
August 06, thursday
0000

81°F
SW
6 mph
6 mph
0300

79°F
SW
6 mph
6 mph
0600

77°F
SW
7 mph
7 mph
0900

84°F
S
4 mph
4 mph
1200

88°F
E
9 mph
9 mph
1500

88°F
E
12 mph
12 mph



























