5-day weather forecast Tallinn 20-05-2026

Weather forecast Tallinn Wednesday, May 20 20.05.2026: sunny, temperature from 8 °C to 13 °C.

Precipitation probability 72%. Wind up to 5.5 m/s (gusts 8.67 m/s). Air humidity 63–97%, atmospheric pressure 761–768 mm Hg, UV index up to 4.5.

Sunrise 04:37
Sunset 22:00

Waxing Crescent15% illuminated
Moonrise 06:58 · Moonset 02:21

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Table

← Tue, May 19

Wed, May 20, 2026

Thu, May 21 →

Forecast from 8 °C to 13 °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)	10	9	9	9	8	8	8	8	9	9	10	11	12	12	13	13	13	13	13	12	11	10	9	9
Precipitation (mm/hr)	0	0	0	0.04	0.08	0.06	0.01	0.01	0.01	0.01	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 (%)	89	93	100	100	100	100	100	100	97	99	93	47	9	9	7	10	7	7	8	6	5	5	5	7
Rain chance (%)	0	0	0	72	100	100	79	67	80	61	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)	5.31	5.5	4.81	4.81	4.61	4.61	4.69	4.5	5	5	5	4.5	4.81	4.69	4.39	4.39	4.81	5	4.39	4	2.81	2.11	1.81	1.31
Wind gust (m/s)	8.53	8.47	7.58	7.53	7.25	7.11	7.17	6.83	7.58	7.67	7.58	6.86	7.08	7.39	7.03	7.28	8.19	8.67	7.92	7.39	5.5	4.42	3.78	2.72
Wind direction (°)	S 187°	S 188°	S 188°	SSW 195°	SSW 205°	SW 219°	SW 223°	SW 222°	SW 229°	WSW 241°	WSW 249°	W 262°	W 272°	W 271°	W 274°	W 279°	WNW 282°	W 281°	W 280°	W 281°	WNW 290°	WNW 296°	WNW 283°	W 263°

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 (%)	96	95	96	97	97	97	96	95	95	94	90	82	74	69	65	64	63	64	65	68	74	81	83	84

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)	761	761	761	761	762	763	763	764	764	765	765	766	767	767	767	767	767	767	767	767	767	767	767	768

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	0.1	0.4	0.6	0.7	1.6	2.2	3.9	4.5	4.1	3.1	2.1	1.3	0.7	0.3	0.1	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)	7.6	7.4	7.3	5.4	4.8	4.7	4.9	4.6	4.4	4.3	4.2	3.7	3.6	3.6	3.8	3.8	3.9	4.3	4.5	4.6	5.1	5.6	6	6.2
PM10 (µg/m³)	8.4	8.2	8.2	6.7	6.2	5.5	5.1	4.9	4.8	4.6	4.6	4.3	4.5	4.2	4.4	5.1	5.4	5.9	6.3	6.4	6.8	7.5	7.9	8.3
Ozone (O₃) (µg/m³)	66	65	63	64	67	68	67	64	63	66	71	75	76	83	90	91	89	90	92	93	95	96	95	92
NO₂ (µg/m³)	6.9	6.5	5.9	5.2	4.9	4.3	4.2	3.8	4	3.9	4.2	5.2	5.2	5	4.7	4.1	4	4.1	4.2	4.6	5.5	6.2	7.8	8.3
SO₂ (µg/m³)	1.4	1.3	1.3	1.2	1.2	1.2	1.2	1.1	1.2	1.2	1.2	1.3	1.3	1.3	1.3	1.3	1.2	1.2	1.2	1.2	1.2	1.2	1.3	1.3
CO (µg/m³)	155.9	155.9	148.9	145.9	138.9	137.9	134.9	133.9	133.9	133.9	133.9	135.9	135.9	131.9	130.9	130.9	129.9	128.9	128.9	131.9	133.9	137.9	142.9	142.9

← Tue, May 19

Wed, May 20, 2026

Thu, May 21 →

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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.

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