World Resorts Croatia Istria Weather

Istria 7 Days Forecast

04.10
sun
Day
68°F
SE 5 mph
Precip.
1%
Night
64°F
SW 6 mph
Precip.
8%
05.10
mon
Day
68°F
S 4 mph
Precip.
11%
Night
64°F
SW 6 mph
Precip.
12%
06.10
tue
Day
68°F
N 2 mph
Precip.
8%
Night
66°F
NW 6 mph
Precip.
16%
07.10
wed
Day
70°F
N 14 mph
Precip.
54%
Night
70°F
N 10 mph
Precip.
46%
08.10
thu
Day
68°F
E 7 mph
Precip.
37%
Night
66°F
W 7 mph
Precip.
33%
09.10
fri
Day
68°F
N 9 mph
Precip.
35%
Night
63°F
SW 6 mph
Precip.
9%
10.10
sat
Day
66°F
SE 3 mph
Precip.
12%
Night
64°F
SW 6 mph
Precip.
6%

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 66.8°F. The highest and lowest sea temperatures during the month were 72.3°F and 63.3°F.

Air temperature in Istria, °F

Precipitation total in Istria, in.

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

Best time for vacation in Istria

Sunniest months:
August 24 days
July 23 days
June 21 days
Warmest months:
August 82.2 °F
July 81.3 °F
June 76.6 °F
Warmest sea temp:
August 78.2 °F
July 77.6 °F
September 73.8 °F
Coldest months:
January 47.5 °F
February 49.2 °F
December 50.5 °F
Rainiest months:
November 6 days
September 6 days
May 5 days
Windiest months:
February 8.2 mph
November 8.1 mph
March 7.9 mph

Istria on a weather map

Istria
+68°F
SE 7 mph
Feels like: +68°F
Precip.: 2%
Places in Croatia:
Name
°F
+73°F
+73°F
+72°F
+73°F
+70°F
+68°F
+79°F
+77°F
+70°F
+68°F
+75°F
+72°F
+70°F
+77°F
+70°F
24 Hours Forecast
Istria
Local time: 16:00
October 04, sunday
1800
70°F
SE
5 mph
2100
66°F
SW
5 mph
October 05, monday
0000
64°F
SW
6 mph
0300
64°F
SW
5 mph
0600
64°F
SW
4 mph
0900
64°F
SW
3 mph
1200
68°F
S
4 mph
1500
68°F
S
6 mph
Units of measurement: °C / °F