Measurements:
°C
°F
Ostia
72°F
SW 6 mph
Feels like: 72°F
Precip: 22%
World Resorts Italy Ostia Weather

7 Day Weather Forecast

10.04
sun
DAY
76°F
NE 4 mph
precip
4%
NIGHT
76°F
SE 2 mph
precip
3%
10.05
mon
DAY
76°F
NE 4 mph
precip
13%
NIGHT
76°F
S 2 mph
precip
12%
10.06
tue
DAY
68°F
W 8 mph
precip
70%
NIGHT
72°F
W 10 mph
precip
36%
10.07
wed
DAY
74°F
NW 20 mph
precip
55%
NIGHT
74°F
NW 13 mph
precip
72%
10.08
thu
DAY
78°F
NW 15 mph
precip
56%
NIGHT
76°F
NE 7 mph
precip
19%
10.09
fri
DAY
78°F
NE 10 mph
precip
10%
NIGHT
74°F
NE 11 mph
precip
4%
10.10
sat
DAY
74°F
N 4 mph
precip
14%
NIGHT
72°F
SW 6 mph
precip
11%

Ostia Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Ostia was 20.9°F. The maximum and minimum values were 19.4°F and 23.6°F respectively.

Ostia on the Weather Map

Best Time to Visit Ostia
The most sunny months:
July 29 days
August 28 days
June 26 days
The most warm months:
August 90.2 °F
July 89.4 °F
June 83.1 °F
Warmest sea temperature:
August 82.7 °F
July 81.2 °F
September 79.3 °F
The most cold months:
January 55.2 °F
February 56.5 °F
December 58.1 °F
The most rainy months:
November 6 days
December 4 days
January 4 days
The most windy months:
February 9 mph
November 9 mph
January 9 mph