World Resorts Slovenia Portoroz Weather

Portoroz 14 Days Forecast

21.07
tue
Day
82°F
SW 6 mph
Precip.
36%
Night
64°F
SW 11 mph
Precip.
6%
22.07
wed
Day
79°F
W 9 mph
Precip.
2%
Night
63°F
W 5 mph
Precip.
5%
23.07
thu
Day
77°F
E 3 mph
Precip.
5%
Night
55°F
W 6 mph
Precip.
10%
24.07
fri
Day
77°F
SE 6 mph
Precip.
1%
Night
63°F
W 4 mph
Precip.
7%
25.07
sat
Day
81°F
E 7 mph
Precip.
1%
Night
63°F
W 5 mph
Precip.
5%
26.07
sun
Day
73°F
N 14 mph
Precip.
48%
Night
63°F
W 5 mph
Precip.
84%
27.07
mon
Day
70°F
W 4 mph
Precip.
74%
Night
61°F
SW 7 mph
Precip.
7%
28.07
tue
Day
77°F
E 4 mph
Precip.
2%
Night
61°F
W 4 mph
Precip.
9%
29.07
wed
Day
81°F
E 4 mph
Precip.
1%
Night
64°F
W 4 mph
Precip.
7%
30.07
thu
Day
82°F
E 5 mph
Precip.
2%
Night
66°F
W 4 mph
Precip.
7%
31.07
fri
Day
84°F
NE 7 mph
Precip.
3%
Night
66°F
W 7 mph
Precip.
47%
01.08
sat
Day
79°F
SW 12 mph
Precip.
8%
Night
66°F
SW 11 mph
Precip.
4%
02.08
sun
Day
81°F
SW 11 mph
Precip.
1%
Night
64°F
W 9 mph
Precip.
3%
03.08
mon
Day
81°F
SW 11 mph
Precip.
1%
Night
68°F
SW 5 mph
Precip.
3%

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 80.4°F. The highest and lowest sea temperatures during the month were 84.0°F and 77.7°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 79.5°F and 74.5°F.

Air temperature in Portoroz, °F

Precipitation total in Portoroz, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Portoroz

Sunniest months:
August 23 days
July 22 days
June 20 days
Warmest months:
August 85.0 °F
July 84.9 °F
June 80.4 °F
Warmest sea temp:
August 78.7 °F
July 78.5 °F
September 74.2 °F
Coldest months:
January 45.5 °F
December 48.0 °F
February 48.5 °F
Rainiest months:
May 7 days
November 6 days
September 6 days
Windiest months:
February 6.4 mph
March 6.3 mph
November 6.1 mph

Portoroz on a weather map

Current weather
18:20
Portoroz
+75°F
SW 12 mph
Feels like: +77°F
Precip.: 36%
Places in Slovenia:
Name
°F
Bled
+55°F
Bovec
+64°F
Bohinjsko Jezero
+61°F
Dolenjske Toplice
+75°F
Isola
+75°F
Koper
+75°F
Kranjska Gora
+61°F
Ljubljana
+70°F
Maribor
+68°F
Piran
+75°F
Portoroz
+75°F
Rogaska Slatina
+72°F
Strunjan
+81°F
Cerkno
+61°F
Smarjeske Toplice
+75°F
all places
24 Hours Forecast
Portoroz
Local time: 18:20
July 21, tuesday
2100
66°F
SW
11 mph
July 22, wednesday
0000
64°F
SW
11 mph
0300
66°F
W
12 mph
0600
64°F
W
11 mph
0900
73°F
W
12 mph
1200
79°F
W
9 mph
1500
82°F
S
2 mph
1800
79°F
E
7 mph
Units of measurement: °C / °F