5-day weather forecast Tallinn 18-05-2026

Weather forecast Tallinn tomorrow 18.05.2026: sunny, temperature from 6 °C to 11 °C.

Precipitation probability 88%. Wind up to 6.5 m/s (gusts 12.81 m/s). Air humidity 62–96%, atmospheric pressure 761–766 mm Hg, UV index up to 3.3.

Sunrise 04:41
Sunset 21:56

Waxing Crescent2% illuminated
Moonrise 04:24 · Moonset 00:16

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Table

← Sun, May 17

Mon, May 18, 2026

Tue, May 19 →

Forecast from 6 °C to 11 °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)	6	6	6	6	6	6	7	8	8	9	10	9	10	11	11	11	11	11	10	8	8	9	9	9
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.04	0.07	0.03	0.4	1.61	0.44	0.65	1.7	1.05

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	6	4	5	8	7	9	11	14	11	16	28	50	52	85	66	76	57	81	100	75	100	72	100
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	88	100	78	100	100	100	100	100	100

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)	0.5	0.89	0.69	1.39	1.39	1.89	2.39	2.69	3.19	3.39	4	3.89	4.11	4.39	4.81	4.89	4.31	4	4.5	4.31	4.81	6	6.5	5.89
Wind gust (m/s)	1.06	1.89	1.47	2.94	2.94	3.97	4.72	4.81	5.36	5.5	6.47	6.58	6.72	7.39	8.14	8.78	7.72	7.75	8.17	7.86	8.94	11.58	12.81	11.28
Wind direction (°)	WSW 249°	WNW 297°	NW 321°	N 354°	NNE 12°	NE 34°	NNE 29°	NNE 23°	NE 36°	NE 45°	NE 45°	NE 47°	NE 47°	NE 50°	NE 55°	NE 53°	ENE 64°	ENE 67°	ENE 73°	ENE 57°	NNE 32°	NNE 33°	NNE 31°	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 (%)	88	88	88	88	88	87	85	81	76	72	69	71	66	64	62	64	68	68	79	92	96	94	91	92

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)	765	765	766	765	766	766	766	766	766	766	766	766	766	765	765	764	764	764	764	764	763	762	762	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	0.4	0.8	1.5	2.2	2.7	3.3	3.3	2.2	1	1.2	0.8	0.5	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)	7.1	7.7	9.2	8.8	8.9	8.6	8.3	8.2	7	7.2	7.1	6.5	6	5.3	5	4.7	4.6	4.6	4.5	4.5	4.5	6.5	7.4	7.5
PM10 (µg/m³)	12.7	12.9	13.2	12.9	12.6	11.4	11.2	11	10.9	11	11.1	9.7	9.2	8.5	7.8	7.4	7.2	6.9	6.4	6.2	7.6	10.2	9.9	9.9
Ozone (O₃) (µg/m³)	70	61	56	53	50	49	50	49	50	50	51	55	59	62	64	70	70	80	81	84	82	78	77	75
NO₂ (µg/m³)	11.6	13.6	18.5	17.9	18.6	19.1	19.7	20.2	20.1	21.5	22.5	20.2	15.6	13.4	11.8	7.8	7.9	8.3	8.3	8.4	10.7	13.2	15.7	18.1
SO₂ (µg/m³)	1.7	1.7	1.7	1.7	1.8	1.8	1.9	1.8	1.7	1.7	1.8	1.8	1.8	1.7	1.7	2	2.1	2	1.9	1.9	1.9	1.8	1.9	1.9
CO (µg/m³)	159.9	149.9	154.9	157.9	153.9	152.9	148.9	143.9	142.9	142.9	142.9	145.9	145.9	142.9	147.9	142.9	134.9	135.9	135.9	140.9	150.9	156.9	154.9	143.9

← Sun, May 17

Mon, May 18, 2026

Tue, May 19 →

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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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