5-day weather forecast Grožnjan 01-09-2026
Weather forecast Grožnjan today 01.09.2026: sunny, temperature from 24 °C to 28 °C.
Precipitation probability 14%. Wind up to 3.61 m/s (gusts 7.5 m/s). Air humidity 50–64%, atmospheric pressure 761–764 mm Hg, UV index up to 6.3.
Weather Alerts
Hide alertsYellow wind warning
Strong, locally near gale NE wind, from the middle of the day gradually easing to fresh. Maximum wind gusts 35-55 knots (65-100 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 breeze. 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 high temperature warning
Heat wave. maximum temperature > 32 °C; minimum temperature > 26 °C
STAY ALERT for expected high temperatures. Health risks are possible in the vulnerable population, in particular senior citizens and small children.
5 days at a glance — tap a day to open it
Sunrise 06:26
Sunset 19:43
Sunset 19:43
Waning Gibbous70% illuminated
Moonrise 21:08 · Moonset 11:06
Moonrise 21:08 · Moonset 11:06
Chart
Table
Tue, Sep 1, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 25 °C | 4% | 0% | 62% | 761 mm Hg | ENE 76° 2.19 (6.19) m/s | 0 |
| 01:00 | Clear | 25 °C | 4% | 0% | 62% | 761 mm Hg | NE 49° 3.19 (3.22) m/s | 0 |
| 02:00 | Clear | 25 °C | 4% | 0% | 63% | 761 mm Hg | NE 48° 3.31 (3.5) m/s | 0 |
| 03:00 | Clear | 24 °C | 5% | 23% | 63% | 761 mm Hg | ENE 70° 2.81 (2.92) m/s | 0 |
| 04:00 |  Overcast | 24 °C | 14% | 97% | 61% | 762 mm Hg | E 94° 2.81 (2.92) m/s | 0 |
| 05:00 | Overcast | 25 °C | 13% | 98% | 58% | 762 mm Hg | ESE 104° 2.61 (2.89) m/s | 0 |
| 06:00 | Overcast | 24 °C | 14% | 100% | 58% | 762 mm Hg | ESE 103° 2.61 (2.81) m/s | 0 |
| 07:00 |  Overcast | 24 °C | 14% | 100% | 58% | 762 mm Hg | ENE 78° 2.81 (3.64) m/s | 0 |
| 08:00 | Overcast | 25 °C | 13% | 99% | 55% | 763 mm Hg | NNE 32° 2.69 (3.42) m/s | 0.3 |
| 09:00 |  Partly cloudy | 25 °C | 6% | 53% | 55% | 763 mm Hg | NNE 27° 3 (3.31) m/s | 1.2 |
| 10:00 |  Sunny | 25 °C | 3% | 4% | 55% | 764 mm Hg | N 8° 2.19 (2.61) m/s | 2.6 |
| 11:00 | Overcast | 26 °C | 11% | 96% | 50% | 764 mm Hg | N 355° 0.81 (1.22) m/s | 4.4 |
| 12:00 |  Cloudy | 26 °C | 9% | 80% | 51% | 764 mm Hg | WSW 249° 1 (4.81) m/s | 5.8 |
| 13:00 | Sunny | 26 °C | 3% | 8% | 57% | 764 mm Hg | WSW 253° 2.5 (5.5) m/s | 6.3 |
| 14:00 | Sunny | 27 °C | 2% | 0% | 52% | 764 mm Hg | WSW 247° 1.61 (4.61) m/s | 5.9 |
| 15:00 | Sunny | 27 °C | 2% | 0% | 53% | 763 mm Hg | W 269° 2.31 (5.31) m/s | 4.7 |
| 16:00 | Sunny | 27 °C | 2% | 0% | 54% | 763 mm Hg | WNW 290° 2.5 (7.5) m/s | 3.1 |
| 17:00 | Sunny | 27 °C | 3% | 0% | 56% | 762 mm Hg | NW 316° 2.39 (2.61) m/s | 1.6 |
| 18:00 | Sunny | 28 °C | 3% | 0% | 58% | 762 mm Hg | NNW 346° 2.89 (3.31) m/s | 0.6 |
| 19:00 | Sunny | 27 °C | 4% | 0% | 62% | 762 mm Hg | N 349° 2.89 (3.22) m/s | 0.1 |
| 20:00 | Clear | 27 °C | 4% | 0% | 62% | 762 mm Hg | N 351° 3 (3.33) m/s | 0 |
| 21:00 | Clear | 27 °C | 4% | 0% | 63% | 763 mm Hg | N 1° 3.61 (4.11) m/s | 0 |
| 22:00 | Clear | 26 °C | 4% | 0% | 64% | 763 mm Hg | NNE 16° 3.5 (4.19) m/s | 0 |
| 23:00 | Clear | 26 °C | 4% | 0% | 63% | 763 mm Hg | NE 43° 2.89 (3.31) m/s | 0 |
Tue, Sep 1, 2026
Frequently asked questions about the 5-day weather in Grožnjan
What will the weather be like in Grožnjan over the next 5 days?
Over the next 5 days in Grožnjan the temperature is expected to range from about 23 to 29 °C. See the detailed hourly forecast for each of the 5 days in the charts above.
On which of the next 5 days will it rain in Grožnjan?
The chance of rain in Grožnjan over the next 5 days reaches 14%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.
How accurate is the 5-day weather forecast for Grožnjan?
A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.
Which of the next 5 days in Grožnjan will be the warmest and which the coolest?
Over the next 5 days the temperature in Grožnjan ranges from about 23 to 29 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in Grožnjan over the next 5 days?
Over the next 5 days the wind in Grožnjan picks up to 5 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in Grožnjan is best for a walk or a trip?
For a walk or a trip, pick the days with the lowest chance of rain (up to 14%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for Grožnjan?
The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.
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.