5-day weather forecast Grožnjan 04-07-2026

Weather forecast Grožnjan Saturday, July 4 04.07.2026: sunny, temperature from 20 °C to 26 °C.

Precipitation probability 5%. Wind up to 6.31 m/s (gusts 10.53 m/s). Air humidity 42–65%, atmospheric pressure 765–767 mm Hg, UV index up to 8.2.

Weather Alerts

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ModerateJul 1, 07:49 AM — Jul 2, 09:59 PMTranslate with Google

Yellow wind warning

Locally strong bura (NE wind) with gale force gusts. maximum gust speed > 65 km/h

STAY ALERT for debris carried by strong winds. Debris and tree branches carried by the wind may cause localised interruptions in outdoor activities.

ModerateJul 1, 07:49 AM — Jul 2, 09:59 PMTranslate with Google

Yellow wind warning

Locally strong bura (NE wind) with gale force gusts. maximum gust speed > 65 km/h

STAY ALERT for debris carried by strong winds. Debris and tree branches carried by the wind may cause localised interruptions in outdoor activities.

ModerateJul 1, 07:49 AM — Jul 2, 06:00 PMTranslate with Google

Yellow thunderstorm warning

Locally thundershowers are possible, with a chance of hail in the afternoon. lightning risk > 60 %

STAY ALERT for possible heavy thunderstorms. Be especially careful in high-exposure areas such as mountains, forests, meadows and open grounds. Interruptions in outdoor activities are possible.

ModerateJul 1, 10:07 AM — Jul 2, 09:59 PMTranslate with Google

Yellow high temperature warning

Heat wave. maximum temperature > 32 °C

STAY ALERT for expected high temperatures. Health risks are possible in the vulnerable population, in particular senior citizens and small children.

ModerateJul 1, 07:49 AM — Jul 2, 06:00 PMTranslate with Google

Yellow thunderstorm warning

Locally thundershowers are possible, with a chance of hail in the afternoon. lightning risk > 60 %

STAY ALERT for possible heavy thunderstorms. Be especially careful in high-exposure areas such as mountains, forests, meadows and open grounds. Interruptions in outdoor activities are possible.

Sunrise 05:22
Sunset 20:56

Waning Gibbous70% illuminated
Moonrise 23:27 · Moonset 09:51

Chart

Table

← Fri, Jul 3

Sat, Jul 4, 2026

Sun, Jul 5 →

Forecast from 20 °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)	24	23	23	22	22	21	20	21	22	23	24	25	25	26	26	26	26	26	26	25	24	23	22	22
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

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 (%)	29	23	23	27	49	44	31	21	25	27	31	29	26	22	16	10	4	4	5	5	5	5	4	4
Rain chance (%)	5	4	4	4	6	6	5	4	3	3	3	2	2	2	2	2	1	1	2	2	4	4	4	5

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)	3.69	4.81	5.89	6.31	6.11	5.61	4.89	3.69	3.39	2.39	1.31	1	2.19	3.19	4	4.11	3.61	3.31	2.81	2.31	1.5	1.31	1.5	1.89
Wind gust (m/s)	7.08	9.25	10.31	10.53	9.86	9.25	8.47	5.56	4.14	2.86	1.5	1.14	2.53	3.67	4.61	4.72	4.14	3.86	3.42	3	2.36	2.5	3	3.89
Wind direction (°)	E 92°	E 95°	E 96°	E 92°	E 89°	E 87°	E 79°	ENE 76°	ENE 76°	ENE 70°	NE 56°	NW 326°	WNW 286°	W 266°	W 272°	W 273°	W 268°	W 276°	W 279°	WNW 284°	WNW 295°	NNW 342°	NNE 23°	NE 47°

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 (%)	59	58	57	55	55	55	58	57	51	45	43	42	44	43	43	44	44	45	47	51	60	64	65	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)	765	765	765	766	766	766	767	767	767	767	767	767	767	767	767	766	766	766	766	766	766	766	767	767

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	0.1	0.3	1.2	2.7	4.5	5.8	7.5	8.2	8.1	6.7	4.9	3	1.5	0.6	0.1	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)	5	5.2	5.2	5	4.6	4.2	3.8	3.6	3.5	3.3	3.3	3.3	3.3	3.4	3.4	3.5	3.5	3.4	3.5	3.6	3.8	4	4.2	4.5
PM10 (µg/m³)	8.2	6.3	6.3	6.2	6.2	6.1	5.9	5.4	5.1	5.6	5.9	5.8	5.9	5.8	5.7	5.7	5.8	5.8	5.9	6	6.9	7.3	7.9	8.2
Ozone (O₃) (µg/m³)	76	63	65	65	62	59	59	61	67	73	77	79	83	86	89	91	93	92	91	91	90	86	84	80
NO₂ (µg/m³)	3.3	2.4	2.6	2.8	2.8	2.8	2.6	2	1.4	1.1	0.8	0.7	0.6	0.6	0.6	0.6	0.7	0.7	0.8	1.1	1.5	2.2	3.3	3.5
SO₂ (µg/m³)	0.3	0.2	0.1	0.1	0.1	0.1	0.2	0.2	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	0.2	0.2	0.2
CO (µg/m³)	123	122	117	116	115	115	114	109	106	104	104	103	104	104	105	105	105	105	106	106	107	106	105	106

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Sat, Jul 4, 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.

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