5-day weather forecast Tallinn 18-05-2026

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

Precipitation probability 100%. Wind up to 6.61 m/s (gusts 11.64 m/s). Air humidity 62–96%, atmospheric pressure 762–766 mm Hg, UV index up to 3.3.

Sunrise 04:41
Sunset 21:56

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

Chart

Table

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	8	8	8	9	10	10	11	11	11	11	11	11	11	10	9	8	8	9
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.05	0.24	1.41	1.24	3.12	0.31

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	4	7	14	19	19	0	18	19	19	20	20	23	26	32	52	100	100	59	95	81	73	100	100
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	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)	1	1	0.81	1.31	1.39	1.81	2	2.11	2.69	3	3.39	3.69	3.89	4	4.11	4	3.61	3.39	2.61	2.19	1.69	3.81	5.19	6.61
Wind gust (m/s)	2.11	2.11	1.67	2.72	2.94	3.78	3.83	3.69	4.5	4.92	5.44	5.97	6.39	6.69	6.86	7.33	6.83	6.72	5.33	4.61	3.53	7.69	9.67	11.64
Wind direction (°)	W 277°	W 279°	WNW 292°	NNW 331°	NNW 345°	NNE 12°	N 10°	NNE 19°	NE 39°	NE 36°	NE 43°	NE 40°	NE 35°	NE 39°	NE 52°	NE 52°	NE 55°	ENE 67°	ENE 69°	NE 45°	NE 51°	N 7°	N 4°	NNE 16°

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 (%)	90	90	90	89	89	89	87	81	77	73	68	66	65	65	62	63	65	67	69	77	88	93	96	96

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	765	766	766	766	766	766	766	765	765	765	764	764	764	764	764	764	763	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	0.4	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)	7.2	7.3	8.2	8	8.5	9	9	8.5	7.9	7.7	7.1	6.5	5.9	5.8	5.1	4.9	5	5.1	5.2	5.4	5.7	6	6.2	7.3
PM10 (µg/m³)	12.5	12.9	12.5	11.9	12.5	12.4	12.2	11.6	10.3	9.4	9.4	9.3	8.7	8.5	8.7	8.1	8	8.3	8.2	8.2	9.1	9.6	10.1	10.5
Ozone (O₃) (µg/m³)	80	67	60	56	54	51	52	49	46	49	54	53	52	55	68	72	76	83	84	84	83	83	81	80
NO₂ (µg/m³)	13.2	15.1	16	17.9	19.3	19.8	19.4	18.2	17.5	17.9	20.7	15.3	13.2	10.5	8.9	6.8	6.3	5.7	5.3	6	8.1	10	11.8	13.9
SO₂ (µg/m³)	1.6	1.6	1.7	1.7	1.9	1.9	1.9	1.9	1.8	1.7	1.8	1.7	1.7	1.7	1.7	1.6	2.1	1.9	1.7	1.6	1.6	1.7	1.7	1.9
CO (µg/m³)	154.9	158.9	155.9	163.9	151.9	147.9	148.9	147.9	144.9	143.9	144.9	147.9	145.9	150.9	148.9	143.9	138.9	138.9	141.9	141.9	143.9	146.9	159.9	166.9

Mon, May 18, 2026

Tue, May 19 →

Frequently asked questions about the weather in Tallinn

Today in Tallinn the temperature ranges from 6 °C to 11 °C, wind up to 6.61 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Tallinn today is 100%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Tallinn today reaches up to 6.61 m/s with gusts up to 11.64 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Tallinn today ranges from 62% to 96%. View the humidity chart above for hourly details.

The UV index in Tallinn today reaches up to 3.3. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Tallinn today ranges from 762 to 766 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Tallinn today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.

Tallinn 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 →