Measurements:
°C
°F
CURRENT WEATHER
17:59
Ostia
92°F
E 16 mph
Feels like: 98°F
Precip: 17%
World Resorts Italy Ostia Weather

7 Day Weather Forecast

08.01
sat
DAY
92°F
NE 9 mph
precip
3%
NIGHT
84°F
E 7 mph
precip
6%
08.02
sun
DAY
90°F
N 9 mph
precip
4%
NIGHT
82°F
SW 7 mph
precip
3%
08.03
mon
DAY
90°F
N 7 mph
precip
3%
NIGHT
84°F
S 5 mph
precip
8%
08.04
tue
DAY
92°F
NE 8 mph
precip
2%
NIGHT
84°F
SE 4 mph
precip
7%
08.05
wed
DAY
92°F
E 8 mph
precip
1%
NIGHT
82°F
S 10 mph
precip
3%
08.06
thu
DAY
92°F
E 10 mph
precip
2%
NIGHT
84°F
E 9 mph
precip
8%
08.07
fri
DAY
92°F
E 10 mph
precip
2%
NIGHT
82°F
E 9 mph
precip
11%

Ostia Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Ostia was 25.5°F. The maximum and minimum values were 23.2°F and 26.8°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 82.3 °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