Grožnjan Weather Forecast

Current Conditions & 10-Day Outlook

Current Weather Conditions in Grožnjan

Grožnjan

Istria County, Croatia

weather iconClear sky
20°
Low 17°
High 27°

Hourly Grožnjan Weather Forecast

12 AMweather icon20°
1 AMweather icon19°
2 AMweather icon19°
3 AMweather icon17°
4 AMweather icon17°
5 AMweather icon18°
6 AMweather icon20°
7 AMweather icon22°
8 AMweather icon23°
9 AMweather icon24°
10 AMweather icon26°
11 AMweather icon27°
12 PMweather icon25°
1 PMweather icon25°
2 PMweather icon25°
3 PMweather icon24°
4 PMweather icon24°
5 PMweather icon23°
6 PMweather icon21°
7 PMweather icon20°
8 PMweather icon18°
9 PMweather icon18°
10 PMweather icon17°
11 PMweather icon17°
Wind
1kt N

Very gentle wind.

1kt
NESW
Precipitation
3%

Minimal chance of precipitation.

Grožnjan 10-Day Weather Outlook

Today's Weather in Grožnjan, Istria County, Croatia

Fri, May 29

Showers svg
17°
27°

Sat, May 30

Showers svg
16°
26°

Sun, May 31

Showers svg
18°
28°

Mon, Jun 01

Showers svg
15°
22°

Tue, Jun 02

Showers svg
14°
23°

Wed, Jun 03

Showers svg
17°
21°

Thu, Jun 04

Showers svg
14°
23°

Fri, Jun 05

Showers svg
12°
24°

Sat, Jun 06

Showers svg
17°
26°

Feels like

22°

Feels warmer than actual temperature.

Pressure

988 hPa

Expect unstable weather conditions.

Humidity

73%

High humidity.

UV

7 - High

Take precautions.

Gusts

15kt

Max speed of wind gusts today.

Cloud Cover

0%

Clear skies, no clouds expected.

Daylight

15h 20m

Long days, short nights.

Rain

0.0mm

No rain, dry conditions expected.

Snowfall

0.0mm

No snowfall expected.

Current Air Quality in Grožnjan

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About Grožnjan Weather

General

This page provides the current weather forecast for Grožnjan, Istria County, Croatia, including hourly conditions, a 10-day outlook, wind speed and direction, precipitation, UV index, and air quality - giving you everything you need to plan your day in one view.

Forecast & Methodology

The forecast data on this page is sourced from the ECMWF open-source model - a reliable global model used widely across weather services worldwide. For sailors, boaters, and mariners who need greater accuracy and higher resolution, PredictWind's proprietary forecast models deliver precision down to 1km resolution, updated multiple times daily and validated against real-world observations. Sign up free to access PredictWind's advanced forecasts.

Sailing & Marine Conditions

Grožnjan weather forecasts on PredictWind are optimised for sailors and boaters who need precise, reliable wind and wave data for passage planning and day sailing. PredictWind is used by ocean racers, cruising sailors, and commercial vessel operators across Croatia and worldwide. For detailed marine conditions including wave height, swell period, and offshore wind forecasts, see the Grožnjan marine forecast.

Units

Wind speed is displayed in knots - the standard unit used by sailors, weather services, and maritime authorities. Temperature is shown in degrees Celsius. Use the toggle at the top of the page to switch between Celsius and Fahrenheit. Pressure is shown in hPa, rainfall in millimetres, and air quality is available in both US and EU AQI standards.