5-day weather forecast Prague 18-07-2026

Weather forecast Prague tomorrow 18.07.2026: partly cloudy, temperature from 16 °C to 27 °C.

Precipitation probability 61%. Wind up to 6.81 m/s (gusts 9.83 m/s). Air humidity 36–92%, atmospheric pressure 758–761 mm Hg, UV index up to 6.8.

Sunrise 05:13
Sunset 21:03

Waxing Crescent23% illuminated
Moonrise 10:10 · Moonset 22:52

Chart

Table

← Fri, Jul 17

Sat, Jul 18, 2026

Sun, Jul 19 →

Forecast from 16 °C to 27 °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)	18	17	16	16	16	17	17	17	16	19	21	23	24	25	26	27	25	25	24	23	22	20	19	18
Precipitation (mm/hr)	0	0	0.31	0.01	0.27	0.15	0.22	0.48	0	0	0	0.07	0.12	0.3	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 (%)	21	18	83	64	100	100	100	100	28	15	32	79	85	53	46	46	70	65	61	32	42	46	47	29
Rain chance (%)	14	15	49	24	56	43	53	61	15	7	5	17	17	17	4	3	6	6	5	3	4	5	6	4

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)	2	2.61	3.5	4.31	5.39	6.39	6.61	6.81	3.11	3.5	3.5	3.89	5.11	5.11	4.69	5.11	4.31	2.5	3.69	3	2.11	1.5	0.69	0.69
Wind gust (m/s)	4.19	5.31	6.89	8.03	9.08	9.58	9.81	9.83	4.89	4.11	4.03	4.5	5.92	6.14	5.64	5.86	5.44	3.61	5.36	4.75	3.67	3.14	1.47	1.47
Wind direction (°)	WSW 252°	WSW 240°	SW 235°	WSW 241°	WSW 244°	WSW 258°	W 265°	WNW 290°	WNW 296°	W 270°	W 276°	W 272°	W 275°	W 279°	W 280°	WNW 293°	WNW 296°	W 280°	W 278°	NW 313°	NW 309°	WNW 298°	WNW 291°	SSW 207°

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 (%)	89	90	92	92	91	90	91	90	89	72	59	50	50	48	41	36	39	43	44	44	48	52	55	56

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)	759	758	758	759	759	759	759	760	760	761	761	761	760	760	760	759	759	759	760	760	760	761	761	761

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	0.5	1.2	1.9	3.5	5.2	6.5	6.8	6	5.2	2.6	1.9	0.7	0.3	0.1	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)	5.1	4.8	5.2	5.7	6.7	7.1	7.4	8	8.3	8.8	7.4	7.2	6.2	5.7	5	4.6	4.6	5.1	5.4	5.7	7.5	8.5	10.1	11.4
PM10 (µg/m³)	6.1	5.9	5.7	6.6	7.6	8	9.1	10.2	11.7	10.9	9.2	7.8	7.6	6.7	6	5.6	5.2	6.1	6.8	7.1	9.2	11.8	13.1	14.8
Ozone (O₃) (µg/m³)	80	81	83	84	86	89	88	93	95	99	99	99	104	104	103	102	103	100	101	96	89	75	69	61
NO₂ (µg/m³)	5	4.6	4.4	3.9	3.5	3.3	3.3	3.6	3.4	2.6	2.5	2	1.9	1.5	1.5	1.5	1.6	1.6	2.2	2.9	4.6	5.4	7.3	9.4
SO₂ (µg/m³)	0.5	0.5	0.5	0.4	0.3	0.3	0.4	0.6	0.8	0.6	0.5	0.4	0.3	0.3	0.4	0.4	0.5	0.5	0.6	0.7	0.9	1.1	1.5	1.5
CO (µg/m³)	149	154	156	153	147	150	154	162	165	160	154	148	141	137	133	128	127	126	135	140	158	163	168	180

← Fri, Jul 17

Sat, Jul 18, 2026

Sun, Jul 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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