5-day weather forecast Grožnjan 28-07-2026
Weather forecast Grožnjan Tuesday, July 28 28.07.2026: sunny, temperature from 21 °C to 29 °C.
Precipitation probability 10%. Wind up to 2.89 m/s (gusts 6.08 m/s). Air humidity 50–82%, atmospheric pressure 764–765 mm Hg, UV index up to 8.
Weather Alerts
Hide alertsSevere Forestfire danger Warning (Degree 3/4) - Slovenia / South-West
Severe Forestfire danger Warning
There is a large risk of forest and bush fire.
Stay vigilant and be prepared there is a large risk of forest and bush fire. Immediately react to any developing fire. The public are asked to exercise extreme caution in the countryside, and immediately notify emergency services on any fire.
Yellow wind warning
Locally fresh NE wind. Maximum wind gusts 35-40 knots (65-75 km/h)
IMPACT: Although rather usual in this region, locally or potentially dangerous wind speeds are expected to produce dangerous wave conditions to small crafts. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.
Mariners should pay close attention to the marine forecast and consider wind and sea conditions in planning. It is possible that some ferry lines will not operate so follow traffic information if travelling.
Yellow wind warning
Locally fresh NE wind. Maximum wind gusts 35-40 knots (65-75 km/h)
IMPACT: Although rather usual in this region, locally or potentially dangerous wind speeds are expected to produce dangerous wave conditions to small crafts. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.
Mariners should pay close attention to the marine forecast and consider wind and sea conditions in planning. It is possible that some ferry lines will not operate so follow traffic information if travelling.
Yellow wind warning
Locally strong NE wind. Maximum wind gusts 35-50 knots (65-95 km/h)
IMPACT: Although rather usual in this region, locally or potentially dangerous wind speeds are expected to produce dangerous wave conditions to small crafts. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.
Mariners should pay close attention to the marine forecast and consider wind and sea conditions in planning. It is possible that some ferry lines will not operate so follow traffic information if travelling.
Yellow wind warning
Locally fresh and strong NE wind. Maximum wind gusts 35-50 knots (65-95 km/h)
IMPACT: Although rather usual in this region, locally or potentially dangerous wind speeds are expected to produce dangerous wave conditions to small crafts. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.
Mariners should pay close attention to the marine forecast and consider wind and sea conditions in planning. It is possible that some ferry lines will not operate so follow traffic information if travelling.
5 days at a glance — tap a day to open it
Sunrise 05:45
Sunset 20:38
Sunset 20:38
Full Moon100% illuminated
Moonrise 20:30 · Moonset 04:25
Moonrise 20:30 · Moonset 04:25
Chart
TableTue, Jul 28, 2026
Forecast from 21 °C to 29 °C and precipitation
Cloud cover and precipitation probability
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
Tue, Jul 28, 2026
Grožnjan on the map
Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.