5-day weather forecast Prague 21-05-2026

Weather forecast Prague Thursday, May 21 21.05.2026: partly cloudy, temperature from 9 °C to 22 °C.

No precipitation expected. Wind up to 2.31 m/s (gusts 3.78 m/s). Air humidity 48–91%, atmospheric pressure 771–773 mm Hg, UV index up to 7.

Sunrise 05:08
Sunset 20:50

Waxing Crescent24% illuminated
Moonrise 09:34 · Moonset 01:15

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← Wed, May 20

Thu, May 21, 2026

Fri, May 22 →

Forecast from 9 °C to 22 °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)	11	10	10	9	9	9	9	12	14	16	17	18	20	21	21	22	22	21	20	20	18	16	15	14
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 (%)	37	28	31	46	33	23	18	21	41	28	31	33	34	40	30	60	49	49	51	33	29	30	46	21
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)	1.31	1.61	1.69	1.81	1.61	1.5	1.39	1.19	1.31	1.69	2	1.81	1.89	2	2	2.19	2.31	1.89	1.39	1.31	1.31	1.39	1.39	1.11
Wind gust (m/s)	2.72	3.36	3.58	3.78	3.36	3.14	2.94	1.83	1.61	1.97	2.31	2.08	2.19	2.31	2.31	2.53	2.81	2.61	2.06	2.08	2.64	2.94	2.94	2.31
Wind direction (°)	WSW 250°	W 259°	W 264°	W 269°	WSW 248°	WSW 256°	WSW 251°	WSW 239°	WSW 252°	W 265°	WNW 292°	WNW 297°	NW 306°	NW 310°	NW 319°	NNW 333°	NNW 346°	N 355°	N 4°	NNE 14°	NNE 19°	NNE 23°	NNE 13°	NNE 23°

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 (%)	88	89	90	90	90	91	90	84	77	70	64	59	55	51	49	48	51	56	60	64	67	72	76	80

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)	771	771	772	772	772	773	773	773	773	773	773	773	773	772	772	771	771	771	771	771	771	772	772	773

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	0.4	1	3.4	2.8	4.6	7	6.4	6	6	6	6	5	5	0	0	0

← Wed, May 20

Thu, May 21, 2026

Fri, May 22 →

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 →