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	1.5	1.11	0.69	0.89	1.39	2.11	2.61	2.89	3.5	3.81	4.19	4.69	4.89	5.19	5.11	5	4.89	4.5	3.69	3.69	3.69	3.69	3.69
Wind gust (m/s)	2.11	1.53	1.11	0.69	0.89	1.44	2.22	3.83	4.92	5.22	5.22	5.11	5.53	5.42	5.5	5.33	5.22	5.19	6.53	7.39	6.81	6.92	8	7.92
Wind direction (°)	W 272°	W 260°	W 278°	NNW 344°	NE 48°	E 94°	ESE 105°	ESE 110°	ESE 103°	ESE 104°	ESE 105°	E 94°	E 84°	E 82°	E 79°	E 80°	E 79°	ENE 76°	ENE 68°	ENE 61°	ENE 65°	ENE 66°	ENE 66°	ENE 61°

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 (%)	64	68	71	72	73	74	75	74	67	62	57	52	48	45	43	42	42	43	49	57	58	58	59	61

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)	766	765	765	764	764	764	764	765	764	765	765	765	764	764	764	764	764	764	764	764	764	765	765	765

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	0.7	1.6	2.7	3.9	4.8	5.1	4.6	3.6	2.3	1.2	0.4	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)	10	9.2	9.2	9.9	10.2	10.6	11	11.3	11.6	10.1	9.1	6.9	5.7	5	4.5	4.5	4.2	4.1	4.4	5	6.3	7	7.8	8.6
PM10 (µg/m³)	13.1	12.7	12.7	13.2	13	13.1	13.1	13.1	13.1	13.1	11.6	9.8	7.2	6.5	5.8	5.7	5.5	5.4	6	6.6	8.1	9.7	9.9	10.5
Ozone (O₃) (µg/m³)	37	38	35	34	33	31	28	31	38	50	59	73	80	85	86	89	90	88	86	84	77	68	64	61
NO₂ (µg/m³)	8.6	8.2	7.2	6.8	6.6	6.6	7.4	7.2	6.3	4.2	2.3	1.8	1.4	1	1	1.2	1.4	1.6	1.9	2.5	3.8	4.6	4.7	4.7
SO₂ (µg/m³)	1.1	1.1	1.1	1.1	1	0.8	0.6	0.7	0.9	1	0.8	0.9	0.9	0.9	0.7	0.7	0.6	0.7	0.8	1	1	1.1	1.2	1.1
CO (µg/m³)	178	179	180	179	177	176	177	177	172	163	159	148	146	144	146	147	147	147	148	151	153	154	156	159

← Mon, Aug 24

Tue, Aug 25, 2026

Wed, Aug 26 →

Kalisz 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 →