Measurements:
°C
°F
CURRENT WEATHER
17:55
Ostia
86°F
NE 9 mph
Feels like: 90°F
Precip: 4%
World Resorts Italy Ostia Weather

7 Day Weather Forecast

08.22
sat
DAY
86°F
NE 11 mph
precip
4%
NIGHT
82°F
SW 2 mph
precip
6%
08.23
sun
DAY
88°F
NE 6 mph
precip
1%
NIGHT
84°F
SE 6 mph
precip
4%
08.24
mon
DAY
86°F
NE 7 mph
precip
2%
NIGHT
84°F
S 5 mph
precip
3%
08.25
tue
DAY
88°F
N 11 mph
precip
11%
NIGHT
86°F
W 4 mph
precip
7%
08.26
wed
DAY
88°F
NE 6 mph
precip
3%
NIGHT
86°F
SW 2 mph
precip
14%
08.27
thu
DAY
88°F
N 9 mph
precip
6%
NIGHT
86°F
N 7 mph
precip
7%
08.28
fri
DAY
90°F
NW 19 mph
precip
16%
NIGHT
86°F
N 9 mph
precip
27%

Ostia Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Ostia was 29.0°F. The maximum and minimum values were 28.5°F and 29.6°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 79.0 °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
more details