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)	3.89	3.69	3.89	3.81	3.81	3.69	3.69	4	4.5	4.81	5.19	6	6.11	6	5.81	5.81	5.81	5.61	5.61	5.81	6	6.31	6.31	6.39
Wind gust (m/s)	9.61	9.53	9.61	9.61	9.53	9.42	9.31	9.89	10.19	10.31	10.39	9.81	9.89	9.61	11	10.89	10.61	11	11.72	12.81	13.19	13.11	13.31	13.5
Wind direction (°)	WSW 238°	SW 233°	SW 227°	SW 219°	SW 223°	SSW 213°	SSW 209°	SSW 211°	SSW 205°	SSW 205°	SSW 201°	SSW 203°	SSW 205°	SSW 203°	SSW 202°	SSW 202°	SSW 198°	SSW 193°	SSW 193°	SSW 193°	SSW 192°	SSW 194°	SSW 196°	SSW 195°

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 (%)	90	92	89	93	91	93	93	90	86	84	80	74	70	68	74	67	64	64	65	67	68	70	74	78

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)	762	762	762	761	761	761	761	761	761	760	760	760	759	759	759	758	758	757	757	756	756	755	755	755

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	0.2	0.6	1.1	1.7	2.4	3.1	2.8	2.1	1.3	0.6	0.2	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)	3.2	3	3	3.3	3.1	3	3	3.1	3.3	3.4	4.1	4.6	4.6	5.1	4.9	4.5	4.4	4.5	4.9	5.3	5.4	5.5	6.1	6.4
PM10 (µg/m³)	6.6	6.1	6.6	6.7	6.8	7	7.2	7.5	7.1	6.6	7.7	8.5	9	8.9	9.5	8.8	8.4	8.4	8.5	8.5	8.4	8.4	8.6	9
Ozone (O₃) (µg/m³)	64	65	69	69	71	72	72	72	73	70	68	69	72	75	79	78	80	79	78	79	80	80	78	77
NO₂ (µg/m³)	1.2	1	0.8	0.8	0.8	0.7	0.7	0.8	0.9	1.3	1.5	1.4	1.1	1	0.9	0.8	0.8	1	1.2	1.4	1.5	1.5	1.8	1.8
SO₂ (µg/m³)	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.2	0.6	1.8	3	2.1	1.6	1.6	0.9	0.5	0.5	0.4	0.5	0.6	0.6	0.7	0.7
CO (µg/m³)	148	148	147	148	147	147	146	148	149	150	151	150	150	152	152	151	152	152	154	154	155	155	155	156

← Mon, Sep 7

Tue, Sep 8, 2026

Wed, Sep 9 →

Pärnu 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 →