5-day weather forecast Pärnu 21-05-2026

Weather forecast Pärnu Thursday, May 21 21.05.2026: sunny, temperature from 7 °C to 15 °C.

No precipitation expected. Wind up to 3.69 m/s (gusts 6.28 m/s). Air humidity 57–90%, atmospheric pressure 762–769 mm Hg, UV index up to 5.

Sunrise 04:43
Sunset 21:55

Waxing Crescent24% illuminated
Moonrise 08:58 · Moonset 02:29

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← Wed, May 20

Thu, May 21, 2026

Forecast from 7 °C to 15 °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)	9	8	8	7	8	8	8	10	12	13	13	14	15	15	15	15	15	15	15	14	13	13	12	12
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	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 (%)	4	5	5	5	4	7	16	29	14	19	9	12	5	28	19	11	5	5	26	11	14	26	33	41
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

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	1.61	1.39	1.19	0.69	0.89	1	0.89	1.31	1.11	2.31	2.61	2.19	3.31	3.5	2.5	3.5	3.39	2	3.69	3.61	1.31	1.39	1.5
Wind gust (m/s)	4.19	3.36	2.94	2.53	1.47	1.89	2.11	1.58	2	1.58	3.53	3.97	3.39	5.06	5.36	4.33	5.64	5.58	3.61	6.28	6.25	2.72	2.89	3.11
Wind direction (°)	NNW 346°	N 5°	N 9°	NNE 27°	E 90°	E 93°	E 100°	SSE 163°	S 187°	SSW 198°	SW 223°	SW 217°	SW 224°	SW 224°	SW 225°	SW 227°	SW 229°	SW 235°	SW 228°	WSW 249°	WSW 254°	WSW 254°	S 186°	ESE 118°

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	83	83	84	89	90	80	80	75	62	69	66	57	64	63	57	63	65	57	71	80	73	75	76

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	765	764	764	768	768	765	769	768	764	768	768	764	768	768	764	768	768	763	767	767	762	762	762

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	0.9	1.7	2.6	3.6	4.4	4.8	4.7	4.1	4	4	5	4	4	4	0	0

← Wed, May 20

Thu, May 21, 2026

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 →