5-day weather forecast Grožnjan 13-04-2026

Weather forecast Grožnjan tomorrow 13.04.2026: partly cloudy, temperature from 13 °C to 19 °C.

Precipitation probability 75%. Wind up to 5.81 m/s (gusts 10 m/s). Air humidity 50–82%, atmospheric pressure 756–760 mm Hg, UV index up to 2.8.

Sunrise 06:24
Sunset 19:49

Waning Crescent23% illuminated
Moonrise 04:34 · Moonset 15:10

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Table

← Sun, Apr 12

Mon, Apr 13, 2026

Tue, Apr 14 →

Forecast from 13 °C to 19 °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)	13	13	13	13	13	13	13	13	14	15	17	18	18	19	18	18	18	18	17	16	16	14	14	13
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.01	0	0.41	0.48	0.11	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 (%)	27	32	47	33	51	100	76	93	100	79	33	41	44	100	99	51	45	48	58	100	56	76	79	79
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	75	0	100	100	100	81

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)	3.19	3.31	3.5	3.61	3.5	3.31	2.69	2.39	2.69	2.61	2.19	3.31	3.5	3.11	2.39	3.39	5.19	5.69	5	5.81	5	3.39	3.31	2.81
Wind gust (m/s)	6.72	6.92	7.36	7.56	7.36	6.92	5.67	5.03	5.5	5	3.67	5.31	5.81	4.97	4.28	5.75	7.81	8.44	8	10	9.36	6.83	6.89	5.89
Wind direction (°)	ENE 74°	ENE 67°	ENE 64°	ENE 67°	ENE 75°	ENE 70°	ENE 58°	NE 52°	ENE 65°	NE 55°	ENE 64°	ESE 105°	SE 128°	SE 128°	ESE 111°	SE 124°	SE 144°	SE 139°	SE 143°	SE 126°	ESE 122°	E 82°	NE 43°	NE 45°

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 (%)	64	65	66	66	68	68	68	69	68	66	61	54	51	50	56	57	58	61	65	67	66	80	81	82

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)	760	760	759	759	759	758	758	758	758	758	758	758	758	758	758	757	757	756	757	757	757	758	758	758

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	0.2	0.7	1.6	2.5	2.8	2.3	1.8	1.9	1.5	0.9	0.3	0.1	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)	13.4	12.8	13.2	15.8	17.6	15.7	15.3	14.5	14.4	14.7	15	15.1	12.7	13.2	13.9	14	13.1	12	12.2	12.5	11.9	11.8	13.5	14.6
PM10 (µg/m³)	20	19	19.6	20.2	21.4	21.1	20.1	18.9	18.1	18.2	19.1	19.4	19.6	21	20.6	20.8	20.7	19.7	19.9	23.1	21	20	19.3	20.4
Ozone (O₃) (µg/m³)	73	73	76	73	71	69	66	65	66	71	72	76	84	91	94	96	96	95	95	96	95	94	91	84
NO₂ (µg/m³)	3.6	3.5	3	2.8	3	3	2.8	2.8	2.9	3	3.2	3	2.8	2.3	1.9	1.8	1.7	1.7	1.7	1.7	2	2.2	2.4	2.7
SO₂ (µg/m³)	2.4	1.9	1.8	1.9	2.3	2.7	3.4	3.1	3.2	4	4.5	5.2	5.9	5.8	5.1	4.4	3.7	3.2	2.3	2	1.9	1.7	2.6	3.3
CO (µg/m³)	161.9	162.9	160.9	163.9	160.9	160.9	162.9	161.9	158.9	157.9	158.9	157.9	149.9	142.9	137.9	134.9	132.9	133.9	134.9	135.9	136.9	137.9	146.9	152.9

← Sun, Apr 12

Mon, Apr 13, 2026

Tue, Apr 14 →

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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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