Measurements:
°C
°F
CURRENT WEATHER
16:55
Portoroz
90°F
NE 4 mph
Feels like: 90°F
Precip: 3%
World Resorts Slovenia Portoroz Weather

7 Day Weather Forecast

08.19
wed
DAY
90°F
E 6 mph
precip
10%
NIGHT
78°F
W 4 mph
precip
7%
08.20
thu
DAY
90°F
NE 13 mph
precip
3%
NIGHT
74°F
W 2 mph
precip
31%
08.21
fri
DAY
90°F
N 8 mph
precip
17%
NIGHT
70°F
NW 5 mph
precip
63%
08.22
sat
DAY
84°F
E 6 mph
precip
3%
NIGHT
72°F
W 3 mph
precip
11%
08.23
sun
DAY
90°F
S 3 mph
precip
1%
NIGHT
76°F
W 3 mph
precip
11%
08.24
mon
DAY
84°F
NW 2 mph
precip
36%
NIGHT
72°F
W 3 mph
precip
15%
08.25
tue
DAY
84°F
E 6 mph
precip
27%
NIGHT
68°F
NW 4 mph
precip
21%

Portoroz Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Portoroz was 27.9°F. The maximum and minimum values were 26.7°F and 29.2°F respectively.

Portoroz on the Weather Map

Best Time to Visit Portoroz
The most sunny months:
August 23 days
July 22 days
June 20 days
The most warm months:
August 88.9 °F
July 88.7 °F
June 83.8 °F
Warmest sea temperature:
August 81.9 °F
July 81.6 °F
September 76.9 °F
The most cold months:
January 45.0 °F
December 47.7 °F
February 48.4 °F
The most rainy months:
May 7 days
November 6 days
September 6 days
The most windy months:
February 6 mph
March 6 mph
November 6 mph
more details