5-day weather forecast Grožnjan 07-09-2026

Weather forecast Grožnjan Monday, September 7 07.09.2026: sunny, temperature from 23 °C to 27 °C.

Precipitation probability 16%. Wind up to 4 m/s (gusts 7.69 m/s). Air humidity 47–65%, atmospheric pressure 762–765 mm Hg, UV index up to 7.

Weather Alerts

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ModerateSep 3, 08:58 AMSep 4, 08:59 PMTranslate with Google
Moderate High temperature Warning (Degree 2/4) - Slovenia / South-West

Moderate High temperature Warning

High temperatures may affect the health of sensitive members of the population.
You are recommended to stay in the shade at midday and in the afternoon, while intense physical effort in the open is not recommended. Eat light food and drink enough liquids. Vehicles parked in the sun should be aired out before driving.
ModerateSep 2, 08:18 AMSep 4, 09:00 AMTranslate with Google
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.
ModerateSep 2, 08:18 AMSep 4, 09:00 AMTranslate with Google
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.
ModerateSep 2, 08:15 AMSep 3, 11:59 PMTranslate with Google
Yellow wind warning
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.
ModerateSep 3, 05:24 PMSep 4, 09:00 AMTranslate with Google
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.
Sunrise 06:34
Sunset 19:32
Waning Crescent12% illuminated
Moonrise 01:04 · Moonset 17:33
Chart
Table
Mon, Sep 7, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
25 °C4% 5%62%765 mm HgENE 65° 3 (3.31) m/s0
01:00Weather
Clear
25 °C3% 5%58%765 mm HgENE 72° 2.69 (2.92) m/s0
02:00Weather
Clear
25 °C3% 5%56%765 mm HgENE 74° 2.19 (2.31) m/s0
03:00Weather
Clear
24 °C3% 4%55%764 mm HgENE 65° 2.19 (2.22) m/s0
04:00Weather
Clear
24 °C3% 0%55%764 mm HgENE 58° 2.39 (2.42) m/s0
05:00Weather
Clear
24 °C3% 0%55%764 mm HgNE 52° 2.81 (2.83) m/s0
06:00Weather
Clear
24 °C3% 0%55%764 mm HgNE 50° 3.11 (3.22) m/s0
07:00Weather
Sunny
23 °C2% 0%54%764 mm HgNE 55° 2.69 (2.89) m/s0
08:00Weather
Sunny
24 °C2% 0%53%764 mm HgNE 50° 2.31 (2.39) m/s0.4
09:00Weather
Sunny
24 °C2% 0%50%764 mm HgNE 46° 2 (2.22) m/s1.2
10:00Weather
Sunny
26 °C2% 5%47%764 mm HgN 11° 1.19 (1.42) m/s2.3
11:00Weather
Overcast
26 °C12% 100%52%764 mm HgWNW 303° 3.19 (7.19) m/s3.2
12:00Weather
Overcast
25 °C12% 98%55%764 mm HgNW 322° 3.61 (6.61) m/s4.6
13:00Weather
Sunny
26 °C3% 20%54%764 mm HgNNW 332° 2.69 (7.69) m/s5.2
14:00Weather
Partly cloudy
26 °C5% 41%54%764 mm HgNW 312° 3.31 (7.31) m/s4.5
15:00Weather
Sunny
26 °C3% 5%54%764 mm HgNW 321° 3.31 (3.33) m/s7
16:00Weather
Sunny
27 °C3% 5%54%764 mm HgNW 308° 2.89 (2.92) m/s7
17:00Weather
Overcast
27 °C13% 98%55%763 mm HgWNW 293° 2.69 (7.69) m/s6
18:00Weather
Overcast
26 °C14% 100%58%763 mm HgWNW 297° 2.19 (2.33) m/s6
19:00Weather
Overcast
26 °C15% 100%62%762 mm HgNW 308° 1.61 (1.61) m/s6
20:00Weather
Overcast
26 °C14% 97%61%763 mm HgN 355° 2.39 (2.53) m/s0
21:00Weather
Overcast
26 °C15% 100%63%763 mm HgNNE 17° 4 (4.83) m/s0
22:00Weather
Overcast
26 °C15% 100%64%763 mm HgNNE 26° 3.19 (4.03) m/s0
23:00Weather
Overcast
26 °C16% 100%65%763 mm HgN 350° 2.81 (3.39) m/s0
Mon, Sep 7, 2026

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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.