5-day weather forecast Prague 20-04-2026

Weather forecast Prague today 20.04.2026: light drizzle, temperature from 4 °C to 9 °C.

Precipitation probability 77%. Wind up to 6.5 m/s (gusts 7.47 m/s). Air humidity 58–97%, atmospheric pressure 761–764 mm Hg, UV index up to 1.8.

Sunrise 05:59
Sunset 20:04

Waxing Crescent9% illuminated
Moonrise 07:03 · Moonset below the horizon

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Table

Mon, Apr 20, 2026

Tue, Apr 21 →

Forecast from 4 °C to 9 °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)	5	5	5	4	5	4	4	6	7	8	9	9	9	9	9	8	7	5	6	5	5	4	4	4
Precipitation (mm/hr)	0	0	0	0	0	0	0	0.01	0.01	0.03	0.01	0.02	0.07	0.25	0.42	0.67	0.86	0.49	0.69	1.14	1.44	0.56	0.31	0.11

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 (%)	7	6	17	14	15	25	80	78	86	92	78	100	100	100	100	100	100	100	100	100	100	100	100	100
Rain chance (%)	0	0	0	0	0	0	0	77	82	61	64	61	100	100	100	100	100	100	100	100	100	100	100	100

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	3.31	3.11	3.11	3.19	3	2.69	3.19	4.39	4.5	6.5	6.5	6.11	5.69	5.69	5.5	5	5	4.19	3.61	2.69	2.5	2.5
Wind gust (m/s)	5.86	6.36	6.58	6.31	6	6	5.64	4.08	4.17	5.11	5.17	7.47	7.47	7.03	6.86	6.97	6.72	6.28	6.25	5.42	4.67	3.5	3.19	3.19
Wind direction (°)	W 260°	WSW 251°	WSW 249°	WSW 253°	WSW 253°	W 260°	W 264°	W 262°	W 280°	WNW 291°	WNW 291°	W 273°	W 277°	W 280°	WNW 287°	WNW 288°	WNW 298°	WNW 288°	WNW 293°	WNW 300°	NW 321°	NNW 333°	NNW 337°	NNW 340°

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 (%)	87	88	87	87	87	89	90	85	80	72	66	58	59	61	68	76	87	87	91	94	96	97	97	97

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)	764	764	764	763	763	763	763	763	763	763	763	762	762	761	761	761	762	761	762	762	763	763	763	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	0.1	0.4	0.8	1.4	1.8	1.7	1.6	1.6	1	0.6	0.2	0.1	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)	6.7	7.3	5.8	5.5	5.3	6	6.8	7.5	7.7	7.9	8.4	5.5	4.8	4.5	4.4	4	3.8	3.8	4.8	5.3	6.1	7.9	8.6	10
PM10 (µg/m³)	7.9	8	6.6	6.1	6.4	6.5	7.9	9	8.4	8.4	9.4	7.1	5.8	5.7	5.8	5.7	5.7	5.9	6.2	6.9	8	9.5	10.3	11.4
Ozone (O₃) (µg/m³)	77	79	80	76	72	68	64	58	57	53	56	63	66	69	72	75	77	79	78	77	74	69	64	61
NO₂ (µg/m³)	8.6	8.2	4.7	4.7	4.5	5.1	5.3	5.8	5.5	6.6	9	7.3	6	4.9	4.3	3.9	4.1	4.1	4.8	6.2	7.2	9.3	11.7	13.6
SO₂ (µg/m³)	3	3	2	1.9	1.7	1.8	1.9	2	1.9	2.3	2.6	2.6	2.5	2.3	1.9	2.1	2	1.8	1.8	2.1	2.4	3	3.4	3.8
CO (µg/m³)	188.9	175.9	155.9	156.9	163.9	165.9	167.9	169.9	172.9	174.9	167.9	157.9	153.9	152.9	150.9	149.9	151.9	154.9	157.9	165.9	186.9	196.9	237.9	245.9

Mon, Apr 20, 2026

Tue, Apr 21 →

Frequently asked questions about the weather in Prague

Today in Prague the temperature ranges from 4 °C to 9 °C, wind up to 6.5 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Prague today is 77%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Prague today reaches up to 6.5 m/s with gusts up to 7.47 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Prague today ranges from 58% to 97%. View the humidity chart above for hourly details.

The UV index in Prague today reaches up to 1.8. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Prague today ranges from 761 to 764 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Prague today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.

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 →