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)	11	11	11	11	11	11	11	11	11	12	13	14	14	15	15	15	15	14	13	12	11	11	10	9
Precipitation (mm/hr)	0.04	0.3	0.08	0.24	0.23	0.26	0.32	0.29	0.57	0.35	0.47	0.49	0.54	0.37	0.6	0.56	0.59	0.7	0.47	0	0	0.33	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 (%)	87	89	100	100	100	100	96	99	89	77	87	79	83	63	93	78	70	84	89	81	87	100	82	38
Rain chance (%)	30	49	40	50	49	51	53	52	60	46	53	48	49	36	49	44	44	56	54	26	29	57	34	24

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)	4.19	3.89	3.61	3.5	3.31	3.19	3.11	3	3	3.11	3.11	3	2.39	1.69	1.61	1.61	1.69	2.39	3.11	3	2.89	2.81	2.89	3
Wind gust (m/s)	11.92	11.33	10.83	10.11	9.83	9.72	9.33	8.53	8	7.36	6.11	4.81	3.42	2.33	2.11	2.14	2.72	4.72	6.61	7.61	8.11	8.19	8.81	9.81
Wind direction (°)	WSW 246°	WSW 241°	SW 235°	SW 229°	SW 229°	SW 228°	SW 227°	SW 223°	SW 224°	SW 228°	SW 225°	SW 219°	SW 221°	WSW 240°	WSW 254°	W 270°	WNW 294°	NNW 328°	NNW 345°	N 350°	N 352°	N 353°	N 359°	N 8°

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	91	92	93	93	93	93	92	89	87	85	79	76	72	71	72	74	80	85	91	94	96	96	94

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)	753	753	753	752	752	752	752	752	752	752	752	753	753	753	754	754	755	755	755	756	757	758	758	758

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	0.3	0.6	0.8	1.2	1.7	1.7	1.5	1.1	0.6	0.2	0	0	0	0	0

Air quality & pollen

Air quality is available for the first three days only.

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Mon, Sep 21, 2026

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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 →