5-day weather forecast Grožnjan 27-07-2026
Weather forecast Grožnjan Monday, July 27 27.07.2026: sunny, temperature from 20 °C to 27 °C.
Precipitation probability 26%. Wind up to 3.81 m/s (gusts 6.47 m/s). Air humidity 60–89%, atmospheric pressure 758–763 mm Hg, UV index up to 7.5.
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.
Moderate Thunderstorms Warning (Degree 2/4) - Slovenia / South-West
Moderate Thunderstorms Warning
Thunderstorms are possible, accompanied by local intense precipitation and gusty winds. Intense local showers with wind blasts and lightning strikes are possible. Torrential watercourses may rise quickly. Rainwater floods are possible.
Beware of approaching storm clouds. Do not linger in exposed locations, e.g. under trees or power lines. Wait in a safe place, as storms usually do not last long.
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.
5 days at a glance — tap a day to open it
Sunrise 05:43
Sunset 20:39
Sunset 20:39
Full Moon99% illuminated
Moonrise 19:59 · Moonset 03:22
Moonrise 19:59 · Moonset 03:22
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 20 °C | 14% | 19% | 89% | 758 mm Hg | ESE 102° 3.81 (6.47) m/s | 0 |
| 01:00 |  Partly cloudy | 21 °C | 15% | 33% | 87% | 758 mm Hg | ESE 117° 2.89 (5) m/s | 0 |
| 02:00 | Partly cloudy | 21 °C | 15% | 32% | 87% | 758 mm Hg | ESE 117° 3.39 (5.58) m/s | 0 |
| 03:00 | Partly cloudy | 21 °C | 17% | 47% | 86% | 758 mm Hg | E 99° 3.5 (5.97) m/s | 0 |
| 04:00 | Partly cloudy | 20 °C | 14% | 30% | 86% | 758 mm Hg | ESE 103° 3.5 (6.25) m/s | 0 |
| 05:00 | Clear | 20 °C | 12% | 13% | 84% | 759 mm Hg | E 79° 3 (5.56) m/s | 0 |
| 06:00 |  Sunny | 20 °C | 12% | 12% | 84% | 759 mm Hg | ENE 65° 2.81 (5.28) m/s | 0 |
| 07:00 | Sunny | 21 °C | 11% | 11% | 83% | 759 mm Hg | ENE 60° 2.5 (4.14) m/s | 0.3 |
| 08:00 | Sunny | 23 °C | 9% | 12% | 79% | 760 mm Hg | ENE 62° 2.19 (2.97) m/s | 1 |
| 09:00 | Sunny | 24 °C | 7% | 11% | 72% | 760 mm Hg | ENE 68° 1.5 (1.81) m/s | 2.2 |
| 10:00 | Sunny | 26 °C | 4% | 9% | 64% | 760 mm Hg | NNE 30° 0.61 (0.69) m/s | 3.9 |
| 11:00 | Sunny | 26 °C | 4% | 8% | 62% | 760 mm Hg | W 278° 1.61 (1.83) m/s | 5.6 |
| 12:00 |  Patchy rain possible | 27 °C | 18% (0.09 mm/hr) | 78% | 62% | 761 mm Hg | W 268° 2.69 (3.11) m/s | 7 |
| 13:00 | Patchy rain possible | 27 °C | 13% (0.03 mm/hr) | 74% | 63% | 761 mm Hg | W 269° 2.89 (3.33) m/s | 7.5 |
| 14:00 | Patchy rain possible | 27 °C | 13% (0.05 mm/hr) | 70% | 64% | 761 mm Hg | W 272° 2.61 (3) m/s | 7.1 |
| 15:00 | Patchy rain possible | 27 °C | 26% (0.21 mm/hr) | 88% | 64% | 761 mm Hg | W 276° 2.31 (2.64) m/s | 5.9 |
| 16:00 | Patchy rain possible | 27 °C | 12% (0.03 mm/hr) | 71% | 62% | 761 mm Hg | WNW 300° 1.81 (2.08) m/s | 4.2 |
| 17:00 | Sunny | 27 °C | 4% | 7% | 61% | 761 mm Hg | NW 326° 1.11 (1.31) m/s | 2.5 |
| 18:00 | Sunny | 27 °C | 4% | 6% | 60% | 761 mm Hg | W 266° 0.31 (0.39) m/s | 1.2 |
| 19:00 | Sunny | 27 °C | 4% | 5% | 64% | 761 mm Hg | SW 226° 0.5 (0.64) m/s | 0.4 |
| 20:00 | Sunny | 25 °C | 6% | 4% | 72% | 761 mm Hg | S 188° 0.69 (1.08) m/s | 0 |
| 21:00 | Clear | 24 °C | 9% | 4% | 78% | 761 mm Hg | SE 144° 1.39 (2.44) m/s | 0 |
| 22:00 | Clear | 24 °C | 9% | 5% | 80% | 762 mm Hg | ESE 115° 1.69 (3.14) m/s | 0 |
| 23:00 | Clear | 23 °C | 9% | 5% | 80% | 763 mm Hg | ENE 73° 1.81 (3.47) m/s | 0 |
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.