5-day weather forecast Prague 18-04-2026

Weather forecast Prague tomorrow 18.04.2026: partly cloudy, temperature from 7 °C to 19 °C.

Precipitation probability 68%. Wind up to 1.81 m/s (gusts 3.72 m/s). Air humidity 38–76%, atmospheric pressure 764–767 mm Hg, UV index up to 5.1.

Sunrise 06:03
Sunset 20:01

Waxing Crescent1% illuminated
Moonrise 06:00 · Moonset 22:00

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Table

← Fri, Apr 17

Sat, Apr 18, 2026

Sun, Apr 19 →

Forecast from 7 °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)	10	9	8	10	10	8	7	8	10	12	14	15	17	18	19	19	19	19	18	17	15	15	14	13
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.02	0.01	0.02	0.02

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	19	27	46	45	41	48	49	93	30	28	19	13	10	8	13	16	21	49	84	65	76	75	73
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	68	66	74	80

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	1.5	1.19	0.89	1	1	1	0.89	0.89	1	0.81	1.11	0.89	0.89	1.19	1.5	1.69	1.61	1.61	1.5	0.31	0.61	1.5	1.81
Wind gust (m/s)	2.11	3.14	2.53	1.75	1.89	2.11	2.11	1.75	1.25	1.25	0.92	1.28	1.03	1.03	1.39	1.72	1.97	1.83	2.03	2.53	0.53	1.03	2.97	3.72
Wind direction (°)	ENE 66°	E 96°	ESE 107°	E 92°	ENE 75°	ESE 111°	ESE 114°	ESE 118°	ESE 120°	E 82°	E 94°	ESE 107°	E 84°	ENE 60°	NNE 32°	NNE 23°	NNE 26°	NE 35°	NE 49°	ENE 70°	N 8°	SE 143°	S 174°	SW 231°

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 (%)	65	71	75	70	71	76	76	74	67	66	60	50	46	41	38	38	38	39	43	50	51	54	58	65

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)	767	767	767	767	767	767	767	767	767	767	767	767	766	766	765	765	764	764	764	764	764	764	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	0.2	0.6	1.4	2.6	3.8	4.7	5.1	4.6	3.8	2.6	1.3	0.5	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)	16	17	16.8	17.6	17.8	18.2	17.6	17.4	18	19.1	19.3	18.2	17.2	15.1	12.8	12.7	12.6	12.7	13	12.8	12.9	13.8	17	19.2
PM10 (µg/m³)	19.3	23.1	23.8	23.9	22.6	20.8	22	23.4	22.4	22.6	23.4	23.5	21.1	19.3	17.7	17.8	15.8	14.7	16.2	16.1	16	18.2	19.2	25.5
Ozone (O₃) (µg/m³)	74	61	54	49	49	45	39	34	32	32	27	49	68	85	98	105	107	107	105	107	105	101	90	79
NO₂ (µg/m³)	13.4	15.2	14.4	14.2	12	12.2	11.5	12.3	14.8	18.4	16.2	12.1	9.7	7.8	5.6	4.2	4	4	4.2	4.4	5.1	6.5	11.6	15.7
SO₂ (µg/m³)	4.7	5	4.6	4	3.6	3.2	3.4	3.6	3.9	5.1	6	6	5	3.9	3.1	2.8	2.6	2.6	2.7	2.7	2.8	3	4.4	5.5
CO (µg/m³)	256.9	286.9	273.9	265.9	250.9	252.9	255.9	266.9	273.9	273.9	266.9	263.9	224.9	197.9	186.9	179.9	175.9	173.9	174.9	181.9	186.9	207.9	247.9	281.9

← Fri, Apr 17

Sat, Apr 18, 2026

Sun, Apr 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.

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