Measurements:
°C
°F
CURRENT WEATHER
16:57
Portoroz
90°F
NE 4 mph
Feels like: 90°F
Precip: 3%
World Resorts Slovenia Portoroz Weather

14 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%
08.26
wed
DAY
84°F
NE 7 mph
precip
2%
NIGHT
70°F
W 3 mph
precip
9%
08.27
thu
DAY
86°F
E 5 mph
precip
1%
NIGHT
70°F
W 4 mph
precip
7%
08.28
fri
DAY
86°F
NE 9 mph
precip
17%
NIGHT
72°F
NW 7 mph
precip
7%
08.29
sat
DAY
88°F
NE 4 mph
precip
1%
NIGHT
74°F
W 3 mph
precip
12%
08.30
sun
DAY
88°F
SW 9 mph
precip
10%
NIGHT
72°F
W 7 mph
precip
9%
08.31
mon
DAY
86°F
SW 9 mph
precip
1%
NIGHT
70°F
W 6 mph
precip
2%
09.01
tue
DAY
84°F
SW 9 mph
precip
1%
NIGHT
72°F
W 5 mph
precip
5%

Portoroz Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Portoroz was 85.7°F. The maximum and minimum values were 83.4°F and 88.4°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
Slovenia Resorts:
NAME
F°
Bled +72
Bohinjsko Jezero +72
Bovec +72
Cerkno +74
Dolenjske Toplice +88
Isola +90
Koper +90
Ljubljana +84
Maribor +88
Moravske Toplice +88
Piran +90
Portoroz +90
Rogaska Slatina +86
Smarjeske Toplice +88
Strunjan +90
all resorts
24 Hours Weather Forecast
Portoroz
Local time: 16:57
19 aug, wednesday
1800 90°F
NE
4 mph
2100 76°F
NW
4 mph
20 aug, thursday
0000 78°F
W
4 mph
0300 74°F
W
5 mph
0600 72°F
NW
6 mph
0900 82°F
N
11 mph
1200 90°F
NE
13 mph
1500 92°F
NE
11 mph