5-day weather forecast Pärnu 18-05-2026

Weather forecast Pärnu tomorrow 18.05.2026: sunny, temperature from 6 °C to 14 °C.

Precipitation probability 100%. Wind up to 5.19 m/s (gusts 7.61 m/s). Air humidity 59–97%, atmospheric pressure 761–765 mm Hg, UV index up to 2.

Sunrise 04:49
Sunset 21:49

Waxing Crescent2% illuminated
Moonrise 04:41 · Moonset 00:01

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Table

← Sun, May 17

Mon, May 18, 2026

Tue, May 19 →

Forecast from 6 °C to 14 °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)	7	7	7	7	6	6	7	9	10	12	13	14	13	13	13	13	12	11	10	10	10	10	10	11
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0.2	0.26	0.06	0.03	0.25	0.34	0.71	0.02	0.03	2.08	2.99	0.09	0.01

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 (%)	16	15	19	19	22	29	22	29	27	35	49	62	98	61	74	100	96	100	74	100	100	100	100	100
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	100	100	100	61	100	100	100	76	76	100	100	100	79

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)	2.69	2.61	2.89	3	3.11	3.31	3.61	3.81	4.39	4.5	4.5	4.61	4.19	3.89	4.5	5.19	4.69	4.19	4.61	4.61	4.19	4.81	4.69	4.5
Wind gust (m/s)	5.67	5.47	6.08	6.31	6.5	6.92	6.89	6.11	6.36	6.47	6.47	6.83	6.78	6.42	7.06	7.56	7.56	6.69	7.33	7.47	6.72	7.61	7.61	7.33
Wind direction (°)	N 355°	N 2°	NNE 12°	NNE 16°	NNE 21°	NNE 24°	NNE 23°	NNE 29°	NE 34°	NE 39°	NE 41°	NE 39°	NE 40°	NE 44°	NE 44°	NE 55°	NE 54°	NE 38°	NNE 25°	NNE 19°	NNE 28°	NNE 23°	NNE 24°	NNE 32°

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 (%)	82	85	87	87	86	84	82	76	69	63	59	62	72	70	67	68	81	88	93	94	95	97	97	97

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)	764	764	765	765	765	764	764	764	764	764	764	764	764	764	763	763	763	763	762	762	761	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	0.3	0.8	1.3	1.8	2	2	1.6	1.7	1.9	0.9	0.4	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)	5.7	6.1	6.6	5.6	5.2	5.4	6.3	7	6.7	6.9	6.7	5.8	4.6	4.1	4.2	4.4	4.4	4.4	4.4	4.2	4.1	4.6	5.2	5.1
PM10 (µg/m³)	8.7	8.4	8.7	8.2	7.4	7.9	7.8	7.9	8	8.6	9.6	8.4	7.6	6.9	6.4	6	6	5.7	5.7	5.8	6.5	6.6	8	8
Ozone (O₃) (µg/m³)	71	66	61	57	52	49	46	46	48	51	58	59	61	69	73	74	78	80	82	83	83	81	77	74
NO₂ (µg/m³)	3.5	4.1	3.4	3	2.9	3.3	3.7	3.9	3.4	3.7	3.4	3.3	3	2.7	2.3	2.1	1.9	1.9	1.9	1.8	1.9	2	2.1	2.1
SO₂ (µg/m³)	1	1	1	1	1	1	1	1	1	1.1	1.2	1.2	1.2	1.1	1	1	1	1	1	1.1	1.2	1.1	1.1	1.1
CO (µg/m³)	155.9	151.9	146.9	135.9	131.9	130.9	135.9	133.9	137.9	137.9	136.9	134.9	132.9	129.9	129.9	127.9	128.9	127.9	127.9	127.9	127.9	127.9	126.9	127.9

← Sun, May 17

Mon, May 18, 2026

Tue, May 19 →

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.

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