Measurements:
°C
°F
CURRENT WEATHER
22:47
Istria
70°F
SW 9 mph
Feels like: 70°F
Precip: 14%
World Resorts Croatia Istria Weather

7 Day Weather Forecast

10.01
thu
DAY
74°F
SE 4 mph
precip
2%
NIGHT
70°F
SW 9 mph
precip
14%
10.02
fri
DAY
72°F
SE 4 mph
precip
10%
NIGHT
68°F
SW 7 mph
precip
12%
10.03
sat
DAY
72°F
E 2 mph
precip
1%
NIGHT
66°F
SW 6 mph
precip
3%
10.04
sun
DAY
68°F
SE 5 mph
precip
10%
NIGHT
66°F
SW 6 mph
precip
9%
10.05
mon
DAY
70°F
SE 7 mph
precip
5%
NIGHT
68°F
SW 6 mph
precip
8%
10.06
tue
DAY
70°F
SE 4 mph
precip
1%
NIGHT
68°F
SW 5 mph
precip
6%
10.07
wed
DAY
72°F
NE 2 mph
precip
11%
NIGHT
70°F
NW 6 mph
precip
14%

Istria Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Istria was 19.4°F. The maximum and minimum values were 17.4°F and 22.4°F respectively.

Istria on the Weather Map

Best Time to Visit Istria
The most sunny months:
August 24 days
July 23 days
June 21 days
The most warm months:
August 85.8 °F
July 84.8 °F
June 79.5 °F
Warmest sea temperature:
August 81.4 °F
July 80.6 °F
September 76.4 °F
The most cold months:
January 47.2 °F
February 49.1 °F
December 50.6 °F
The most rainy months:
November 6 days
September 6 days
May 5 days
The most windy months:
February 8 mph
November 8 mph
March 7 mph
more details