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)	2.19	2.61	2.61	2.81	2.61	2.61	2.69	2.69	2.81	3.11	3.31	3.5	3.61	4.11	5	5.11	5.19	4.19	3	2.89	3.31	3.31	2.81	2.5
Wind gust (m/s)	3	3.92	4.39	4.72	4.22	3.81	4.33	4.03	5.42	5.5	5.11	4.92	5.11	5.61	6.22	6.72	6.42	6.19	6.72	6.72	7.19	7.5	6.42	4.72
Wind direction (°)	SSW 193°	SSW 194°	SSW 195°	SSW 194°	SSW 197°	SSW 193°	SSW 196°	S 190°	S 190°	SSW 203°	SSW 209°	SW 221°	SW 232°	WSW 248°	WSW 258°	WSW 254°	WSW 255°	W 276°	W 264°	W 263°	W 266°	WSW 258°	WSW 250°	SW 236°

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 (%)	54	58	62	64	66	68	69	70	67	58	51	46	42	38	38	38	39	45	50	54	55	59	68	73

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)	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	762	763	764	764

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	0.8	1.7	2.7	3.5	3.8	3.4	2.6	1.8	0.8	0.3	0	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)	9.8	8.6	8.9	9.2	9.3	8.6	9.1	10.6	12.6	11.6	10.6	9.5	6.2	5.2	4.7	4.5	4.5	4.7	4.8	5	5.9	7.3	8.4	9.7
PM10 (µg/m³)	12.9	12.6	11.7	10.9	10.7	10.8	11.2	13	16.4	15.6	14	11.9	9.9	7.6	7.2	7	7.3	7.9	9.1	9.7	10.7	12.4	13	13.9
Ozone (O₃) (µg/m³)	48	45	42	41	38	35	31	29	36	50	57	69	83	95	100	100	94	89	85	80	74	66	63	58
NO₂ (µg/m³)	10.4	8.9	8.1	7	7	7.4	9.1	14.7	17.9	13.1	8.8	6	4.8	3.5	2.8	2.8	3	3.7	7.3	7.5	11.4	11.4	11.9	12
SO₂ (µg/m³)	1.4	1.2	1.1	1	1	1	1.2	1.8	2.4	1.8	1.9	1.3	1	0.9	0.8	0.7	0.6	0.7	0.8	1.2	1.5	1.8	1.9	1.8
CO (µg/m³)	244	238	224	222	219	217	222	229	233	209	200	189	182	171	165	165	168	173	185	217	241	250	249	254

← Thu, Sep 17

Fri, Sep 18, 2026

Sat, Sep 19 →

Prague 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 →