5-day weather forecast Grožnjan 04-05-2026

Weather forecast Grožnjan Monday, May 4 04.05.2026: sunny, temperature from 14 °C to 20 °C.

No precipitation expected. Wind up to 5.89 m/s (gusts 10.33 m/s). Air humidity 55–85%, atmospheric pressure 762–764 mm Hg, UV index up to 5.2.

Sunrise 05:50
Sunset 20:15

Waning Gibbous95% illuminated
Moonrise 23:37 · Moonset 06:47

Chart

Table

← Sun, May 3

Mon, May 4, 2026

Tue, May 5 →

Forecast from 14 °C to 20 °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)	14	14	14	14	14	14	14	14	16	18	19	19	20	20	19	19	19	19	18	18	16	15	14	15
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 (%)	22	90	6	8	6	8	12	34	42	36	24	21	19	21	26	24	17	16	14	13	18	13	28	47
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)	2	1.89	1.81	1.81	2.11	2.19	2.5	2.81	2.69	3	3.69	4.69	5.69	5.89	5.19	5.19	5.31	5.31	5.69	5.81	5.5	5.39	5.69	5.69
Wind gust (m/s)	4.19	4	3.78	3.78	4.42	4.61	5.25	5.89	4.69	4.22	4.94	6	7.03	7.11	6.44	6.75	6.89	7.14	7.94	8.39	8.89	9.86	10.33	9.92
Wind direction (°)	E 97°	E 93°	ESE 102°	ESE 105°	E 101°	ESE 113°	ESE 118°	ESE 119°	ESE 122°	SE 142°	SSE 154°	SSE 164°	S 171°	S 182°	S 187°	S 190°	S 186°	S 180°	SSE 167°	SSE 153°	SE 142°	SE 133°	SE 129°	SE 136°

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 (%)	58	57	57	56	55	55	55	57	57	55	55	59	63	66	66	63	62	65	68	71	76	83	85	85

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)	763	763	763	763	763	763	763	764	764	764	764	764	764	764	763	763	763	762	762	762	762	763	763	762

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	0.2	0.7	1.6	3	4.4	5.1	5.2	4.8	4.2	3.2	1.8	0.9	0.3	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)	6.6	6.8	6.8	6.7	6.6	6.2	6.3	6.3	6.4	6.2	6.3	6.3	6.5	5.9	5.6	5.7	6.2	6.8	7.1	6.9	7.1	7.3	7.4	7.9
PM10 (µg/m³)	9.7	9.8	9.8	9.7	9.7	8.8	8.9	9.1	9.6	9.6	9.2	8.9	9.1	9	9	9	9.3	10.1	10.2	9.6	10	10.5	10.6	10.5
Ozone (O₃) (µg/m³)	83	79	74	71	69	67	67	64	66	67	78	84	86	86	89	91	95	99	99	97	95	94	92	89
NO₂ (µg/m³)	3.8	3.2	3	2.8	2.8	3.1	3.2	3.5	4	4.2	4.5	3.9	3.5	3	2.4	2.1	1.8	1.8	2	2.1	2.3	2.7	3.1	3.6
SO₂ (µg/m³)	1.2	1.1	1.1	1.2	1.2	1.1	1.1	1.2	1.4	1.4	1.4	1.5	1.5	1.3	1.3	1.3	1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.4
CO (µg/m³)	144.9	145.9	142.9	139.9	137.9	137.9	136.9	136.9	136.9	137.9	136.9	135.9	137.9	134.9	133.9	132.9	132.9	132.9	132.9	131.9	132.9	134.9	134.9	132.9

← Sun, May 3

Mon, May 4, 2026

Tue, May 5 →

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.

Learn more about our methodology →