Current Sea Water Temperature:
+74.8°F
| Maximum Sea Water Temperature in October: | 80.4°F |
| Minimum Sea Water Temperature in October: | 68.8°F |
| Average water temperature in October: | 74.0°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| October 24 | 74.8°F | October 19 | 75.4°F |
| October 23 | 74.6°F | October 18 | 76.0°F |
| October 22 | 75.6°F | October 17 | 76.4°F |
| October 21 | 75.8°F | October 16 | 76.4°F |
| October 20 | 75.2°F | October 15 | 76.4°F |
When is the Warmest Sea for Ostia?
According to our data for the last three years for Ostia the highest average sea water temperature was in August, July and September.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2026 for Ostia was 87.9°F. The maximum and minimum values were 86.8°F and 89.2°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Ostia was 85.1°F. The maximum and minimum values were 79.4°F and 89.0°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2026 for Ostia was 83.2°F. The maximum and minimum values were 80.4°F and 87.2°F respectively.
Italy Resorts:
NAME
F°
| Bari |  |
+68 |
| Bibione |  |
+52 |
| Catania | |
+68 |
| Florence | |
+60 |
| Genoa |  |
+42 |
| Lido di Jesolo | |
+54 |
| Naples | |
+70 |
| Ostia | |
+70 |
| Palermo | |
+66 |
| Rimini | |
+58 |
| Rome |  |
+64 |
| Scalea | |
+54 |
| Sicily | |
+62 |
| Tropea | |
+66 |
| Venice | |
+54 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Ostia
Local time: 10:18
24 oct, saturday
| 1200 |  |
70°F | NE 7 mph |
| 1500 | |
68°F | SE 21 mph |
| 1800 |  |
68°F | SE 18 mph |
| 2100 |  |
66°F | SE 14 mph |
25 oct, sunday
| 0000 | |
62°F | S 15 mph |
| 0300 | |
60°F | S 13 mph |
| 0600 | |
58°F | S 12 mph |
| 0900 | |
60°F | S 11 mph |