5-day weather forecast Grožnjan 27-05-2026

Weather forecast Grožnjan Wednesday, May 27 27.05.2026: sunny, temperature from 20 °C to 26 °C.

No precipitation expected. Wind up to 3.39 m/s (gusts 7.14 m/s). Air humidity 62–77%, atmospheric pressure 761–767 mm Hg, UV index up to 9.

Sunrise 05:24
Sunset 20:39

Waxing Gibbous74% illuminated
Moonrise 14:43 · Moonset 02:26

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Table

← Tue, May 26

Wed, May 27, 2026

Thu, May 28 →

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)	21	21	21	21	20	20	20	21	22	24	25	25	25	25	25	25	26	25	25	25	23	22	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 (%)	8	9	10	10	11	14	15	12	18	22	19	25	19	11	11	12	11	8	12	11	11	25	47	44
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

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)	1.69	2	1.89	2	1.89	1.89	1.89	1.69	1.5	1.31	1.39	2.31	3.11	3.11	3.11	3	2.69	2.39	0.61	0.5	0.61	1.69	1.39	3.39
Wind gust (m/s)	3.58	4.19	4	4.19	4	4	4	3.58	2.89	2.22	2.31	3.83	5.53	5.56	5.5	5.08	4.47	4	1	0.94	1.25	3.58	2.94	7.14
Wind direction (°)	ENE 59°	ENE 58°	NE 50°	NE 37°	NNE 31°	NE 40°	NE 42°	NE 45°	NNE 21°	N 8°	NNW 328°	WNW 302°	WNW 297°	WNW 290°	W 281°	W 279°	W 278°	W 259°	NW 311°	SSE 152°	SW 227°	E 91°	ESE 107°	ESE 115°

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 (%)	73	74	75	75	76	77	77	76	71	66	63	62	62	62	62	62	63	65	68	70	75	75	76	74

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)	767	767	767	766	766	765	765	765	765	765	764	764	764	764	764	764	763	762	763	762	761	762	763	763

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	0.4	1.3	2.7	4.7	6.8	8.3	9	8.5	7	5.1	3.1	1.5	0.5	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)	10.6	10.6	13.1	14.9	16.4	18.1	18	18.1	18.3	18.4	19.2	20.1	20.9	22.2	23.5	24.5	24.8	24.4	24.4	25.1	25.2	25.1	24.9	25.1
PM10 (µg/m³)	19.4	19.4	25.8	31.7	37.5	43.6	44.2	44.9	45.5	45.1	46.8	47.9	47.6	47.3	47.3	47.2	47.2	46.8	48.3	51.5	52.7	52.4	52.2	51.9
Ozone (O₃) (µg/m³)	95	93	94.8	95.5	94.2	93	88	86	89	95	102	110	119	129	141	153	161	163	162	159	155	150	143	132
NO₂ (µg/m³)	4.5	4.5	5	5.8	6.9	8.1	8.3	8.4	8.3	8.1	7.7	6.9	5.9	5	4.1	3.3	2.7	2.5	2.6	3.1	4.4	6.2	7.7	8.9
SO₂ (µg/m³)	1.3	1.3	1.5	1.7	1.9	2.2	2.2	2.2	2.3	2.5	2.6	2.6	2.4	2.3	2.2	2	1.9	1.8	1.8	1.8	1.8	1.9	2	2
CO (µg/m³)	144.9	145.9	144.9	145.9	147.9	147.9	145.9	145.9	149.9	154.9	158.9	160.9	162.9	160.9	154.9	145.9	138.9	134.9	131.9	130.9	130.9	131.9	134.9	142.9

← Tue, May 26

Wed, May 27, 2026

Thu, May 28 →

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.

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