5-day weather forecast Grožnjan 18-06-2026
Weather forecast Grožnjan Thursday, June 18 18.06.2026: sunny, temperature from 20 °C to 27 °C.
Precipitation probability 8%. Wind up to 3.81 m/s (gusts 6.08 m/s). Air humidity 54–77%, atmospheric pressure 763–765 mm Hg, UV index up to 8.7.
Weather Alerts
Hide alertsNevihte - zmerna ogroženost (Stopnja 2/4) - Slovenija / jugozahod
Nevihte - zmerna ogroženost
Možne so krajevne nevihte. Lokalno možni močnejši nalivi, piš vetra in udari strel. Hitro lahko narastejo hudourniški vodotoki.
Bodite pozorni na bližajoče se nevihtne oblake. Med nevihto se ne zadržujte na izpostavljenih mestih, počakajte na varnem mestu, nevihta običajno ne traja dolgo.
Nevihte - zmerna ogroženost (Stopnja 2/4) - Slovenija / morje
Nevihte - zmerna ogroženost
Lokalno možni močnejši nalivi, piš vetra in udari strel. Hitro se lahko spremeni veter in stanje morja.
Bodite pozorni na bližajoče se nevihtne oblake. Med nevihto se ne zadržujte na izpostavljenih mestih, počakajte na varnem mestu, nevihta običajno ne traja dolgo.
Yellow Thunderstorm Warning for Italy - Friuli Venezia Giulia
Yellow Thunderstorm Warning
Moderate intensity weather phenomena expected
(DISCLAIMER: "Information provided on METEOALARM for Italy regard only the intensity and recurrence of the phenomena, further details can be found at www.meteoam.it. METEOALARM information do not provide the assessment of impact on the territory and they do not represent the Official Alerts messages that are issued by the National Civil Protection Service https://www.protezionecivile.gov.it")
BE AWARE, keep up to date with the latest weather forecast. Expect some minor disruption to outdoor activities
Yellow Thunderstorm Warning for Italy - Friuli Venezia Giulia
Yellow Thunderstorm Warning
Moderate intensity weather phenomena expected
(DISCLAIMER: "Information provided on METEOALARM for Italy regard only the intensity and recurrence of the phenomena, further details can be found at www.meteoam.it. METEOALARM information do not provide the assessment of impact on the territory and they do not represent the Official Alerts messages that are issued by the National Civil Protection Service https://www.protezionecivile.gov.it")
BE AWARE, keep up to date with the latest weather forecast. Expect some minor disruption to outdoor activities
Sunrise 05:16
Sunset 20:56
Sunset 20:56
Waxing Crescent19% illuminated
Moonrise 08:33 · Moonset 23:47
Moonrise 08:33 · Moonset 23:47
Chart
Table
Thu, Jun 18, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 21 °C | 8% | 6% | 76% | 765 mm Hg | NE 52° 2.19 (4.61) m/s | 0 |
| 01:00 | Clear | 21 °C | 8% | 7% | 77% | 765 mm Hg | ENE 58° 1.81 (3.78) m/s | 0 |
| 02:00 | Clear | 20 °C | 8% | 7% | 77% | 765 mm Hg | ENE 60° 1.5 (3.14) m/s | 0 |
| 03:00 | Clear | 20 °C | 7% | 7% | 74% | 764 mm Hg | NE 36° 2.11 (4.42) m/s | 0 |
| 04:00 | Clear | 20 °C | 8% | 8% | 76% | 765 mm Hg | NNE 32° 1.89 (4) m/s | 0 |
| 05:00 | Clear | 20 °C | 8% | 7% | 77% | 764 mm Hg | NE 34° 1.69 (3.58) m/s | 0 |
| 06:00 |  Sunny | 20 °C | 8% | 10% | 76% | 764 mm Hg | NE 35° 2.11 (4.42) m/s | 0.1 |
| 07:00 | Sunny | 22 °C | 8% | 10% | 75% | 765 mm Hg | NNE 21° 1.89 (3.75) m/s | 0.5 |
| 08:00 | Sunny | 23 °C | 6% | 6% | 70% | 765 mm Hg | N 9° 1 (1.53) m/s | 1.3 |
| 09:00 | Sunny | 25 °C | 5% | 9% | 67% | 765 mm Hg | NNW 338° 2.5 (3.61) m/s | 2.8 |
| 10:00 | Sunny | 26 °C | 4% | 10% | 64% | 765 mm Hg | NW 323° 3.11 (4.42) m/s | 4.7 |
| 11:00 | Sunny | 26 °C | 4% | 5% | 62% | 764 mm Hg | NW 305° 2.5 (3.31) m/s | 6.6 |
| 12:00 | Sunny | 26 °C | 3% | 7% | 58% | 765 mm Hg | NW 317° 3.61 (5.64) m/s | 8.1 |
| 13:00 | Sunny | 27 °C | 3% | 5% | 56% | 764 mm Hg | NW 309° 3.61 (5.69) m/s | 8.7 |
| 14:00 | Sunny | 26 °C | 4% | 4% | 62% | 764 mm Hg | W 280° 3.39 (4.83) m/s | 8.3 |
| 15:00 | Sunny | 27 °C | 2% | 3% | 54% | 764 mm Hg | WNW 298° 3.81 (6.08) m/s | 7 |
| 16:00 | Sunny | 27 °C | 2% | 2% | 54% | 764 mm Hg | WNW 299° 3.5 (5.75) m/s | 7 |
| 17:00 | Sunny | 27 °C | 3% | 4% | 60% | 764 mm Hg | WNW 285° 2.11 (3.03) m/s | 7 |
| 18:00 | Sunny | 27 °C | 2% | 0% | 54% | 764 mm Hg | NW 314° 2.5 (4.56) m/s | 7 |
| 19:00 | Sunny | 26 °C | 3% | 0% | 60% | 764 mm Hg | NNW 328° 2.19 (4.39) m/s | 7 |
| 20:00 | Sunny | 24 °C | 6% | 6% | 69% | 763 mm Hg | NNE 17° 1.69 (3.58) m/s | 6 |
| 21:00 | Clear | 24 °C | 6% | 6% | 70% | 763 mm Hg | NNE 28° 1.61 (3.39) m/s | 0 |
| 22:00 | Clear | 23 °C | 6% | 6% | 71% | 764 mm Hg | NE 39° 1.61 (3.31) m/s | 0 |
| 23:00 | Clear | 22 °C | 7% | 6% | 72% | 764 mm Hg | NE 50° 1.5 (3.14) m/s | 0 |
Thu, Jun 18, 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.