5-day weather forecast Tallinn 21-05-2026

Weather forecast Tallinn Thursday, May 21 21.05.2026: sunny, temperature from 8 °C to 16 °C.

Precipitation probability 88%. Wind up to 2.69 m/s (gusts 5.25 m/s). Air humidity 62–94%, atmospheric pressure 766–768 mm Hg, UV index up to 4.4.

Sunrise 04:35
Sunset 22:02

Waxing Crescent24% illuminated
Moonrise 08:48 · Moonset 02:38

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← Wed, May 20

Thu, May 21, 2026

Fri, May 22 →

Forecast from 8 °C to 16 °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)	8	8	8	8	8	8	9	10	12	13	13	14	15	16	15	14	14	14	14	13	13	11	10	9
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0.01	0	0	0.03	0.06	0.16	0.18	0.15	0.01	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 (%)	7	6	4	6	6	9	18	54	73	41	83	79	94	100	100	71	63	65	85	13	20	27	39	20
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	88	0	0	76	100	100	100	100	64	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)	1.11	1.69	2.19	2.39	2.5	2.5	2.5	2.61	2.69	2.39	1.39	1.5	1.5	0.69	0.31	0.39	0.61	1.5	2	2	2	2.39	2.5	2.5
Wind gust (m/s)	2.31	3.58	4.61	5.03	5.25	5.25	5.25	4.89	4.64	4.03	2.61	2.75	2.67	1.25	0.53	0.72	1.06	2.61	3.44	3.5	3.61	4.86	5.25	5.25
Wind direction (°)	SW 218°	S 177°	S 173°	S 176°	S 175°	S 176°	S 178°	S 185°	SSW 193°	SSW 195°	SSW 196°	S 180°	SSW 193°	SSW 213°	NNE 27°	NNE 29°	NW 321°	NW 310°	NW 304°	WNW 285°	WNW 283°	WNW 283°	W 265°	SW 236°

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 (%)	84	84	85	86	88	90	88	82	75	70	73	69	63	62	67	76	76	74	74	75	78	85	92	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)	768	768	768	767	768	768	768	768	768	768	768	767	767	767	767	767	767	767	767	767	767	767	767	766

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	0.4	0.9	1.6	2.6	3.5	4.3	4.4	2.3	2	3	3	3	4	4	4	3	0

← Wed, May 20

Thu, May 21, 2026

Fri, May 22 →

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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 →