5-day weather forecast Grožnjan 25-07-2026

Weather forecast Grožnjan tomorrow 25.07.2026: sunny, temperature from 19 °C to 26 °C.

Precipitation probability 15%. Wind up to 4.11 m/s (gusts 7.56 m/s). Air humidity 43–65%, atmospheric pressure 758–762 mm Hg, UV index up to 7.8.

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SevereJul 23, 07:31 AM — Jul 27, 12:59 AMTranslate with Google

Severe 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.

ModerateJul 24, 07:50 AM — Jul 25, 10:00 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.

ModerateJul 24, 07:50 AM — Jul 25, 09:00 AMTranslate with Google

Yellow wind warning

Locally fresh NE wind. Maximum wind gusts 35-40 knots (65-75 km/h)

5 days at a glance — tap a day to open it

Sunrise 05:41
Sunset 20:41

Waxing Gibbous90% illuminated
Moonrise 18:31 · Moonset 01:35

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← Fri, Jul 24

Sat, Jul 25, 2026

Sun, Jul 26 →

Forecast from 19 °C to 26 °C and precipitation

Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	20	19	19	19	19	19	19	20	22	23	24	25	25	25	26	26	26	26	26	25	24	22	22	21
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.01

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	4	4	4	5	6	7	8	9	10	7	6	5	5	5	6	6	6	5	3	3	3	4	5	87
Rain chance (%)	3	4	4	4	4	4	4	4	3	2	1	1	1	1	1	1	1	1	1	2	3	4	4	15

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	2.5	3	2.89	2.89	2.39	2	2.11	2.11	1.5	0.81	0.61	1.19	2	2.61	3.11	3.11	2.81	2.89	2.5	2.5	3	3.81	4.11	3.69
Wind gust (m/s)	5.17	6.31	6.08	6.08	5.03	4.17	4.19	3.64	2	0.92	0.69	1.39	2.31	3	3.58	3.58	3.22	3.33	3.08	3.22	4.89	7.03	7.56	7.25
Wind direction (°)	E 84°	E 80°	E 79°	E 86°	E 88°	E 100°	ESE 117°	ESE 104°	E 101°	ESE 114°	SSW 200°	SW 232°	SW 230°	SW 224°	SW 219°	SSW 213°	SSW 209°	SSW 208°	SSW 202°	S 185°	S 172°	SSE 155°	SE 135°	ESE 118°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	57	61	61	61	61	60	60	59	53	48	44	43	44	45	45	45	45	45	46	51	58	62	64	65

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	762	762	762	762	762	761	761	761	761	761	761	761	761	761	760	760	759	759	758	758	758	758	759	759

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0.3	1.1	2.4	4.1	5.9	7.3	7.8	7.4	6.1	4.3	2.6	1.2	0.4	0	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	4	4	4.1	4.6	4.6	4.4	4.3	4.2	4.1	3.7	3.7	3.8	3.8	4.1	4	3.9	3.9	4	4.1	4.1	4.2	4.3	4.4	4.2
PM10 (µg/m³)	7.1	6.9	7	7.1	7.1	7	7.6	8	7.4	6.5	6.4	6.6	6.1	5.9	5.6	5.8	6	6.3	6.6	6.6	6.8	7.4	8.1	8.5
Ozone (O₃) (µg/m³)	82	79	70	65	61	60	61	65	64	76	87	91	95	102	104	105	106	105	101	95	94	89	85	80
NO₂ (µg/m³)	2.4	2.5	2.9	3.5	3.5	3.1	2.8	2.2	1.8	1	0.9	0.7	0.6	0.5	0.5	0.5	0.5	0.6	0.7	1	1.3	2	2.3	2.5
SO₂ (µg/m³)	0.2	0.2	0.2	0.2	0.3	0.5	0.5	0.4	0.3	0.3	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.3	0.3	0.2
CO (µg/m³)	124	124	124	126	126	127	126	126	125	124	123	123	122	121	120	120	119	119	120	121	121	121	122	122

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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.

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