5-day weather forecast Tallinn Sep 18, 2026

15°11° · Patchy rain possible

Weather forecast Tallinn Friday Sep 18, 2026: patchy rain possible, temperature from 11 °C to 15 °C.

Precipitation probability 63%. Wind up to 9.11 m/s (gusts 14.42 m/s). Air humidity 76–92%, atmospheric pressure 754–756 mm Hg, UV index up to 0.6.

Weather Alerts

ModerateSep 16, 06:00 AMSep 16, 09:00 PMTranslate with Google
Tugev tuul Tase 1
Lõuna- ja edelatuul puhanguti 16 m/s. Laine kõrgus 1-2,5 m.
https://www.rescue.ee/et
ModerateSep 16, 07:00 AMSep 16, 11:00 PMTranslate with Google
Tugev tuul Tase 1
Lõuna- ja edelatuul puhanguti 16 m/s. Laine kõrgus 1-2,5 m.
https://www.rescue.ee/et
Sunrise 06:56
Sunset 19:33
First Quarter53% illuminated
Moonrise 17:40 · Moonset 21:07
Chart
Table

Forecast from 11 °C to 15 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)111212121212121112121313141414141515151514141413
Precipitation (mm/hr)0.010.030.080.030.090.040.060000.050.530.260.240.010000.020.140.2300.010

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)727510010010010010010010010010010010010010010090921001001001007112
Rain chance (%)252837313832342726273363484730272422233546312315

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)5.55.616.196.396.395.815.395.56.196.57.117.398.1988.118.398.58.398.899.118.618.1188
Wind gust (m/s)9.699.8910.2210.6110.619.899.3910.2211.1911.9212.0312.1413.2213.1413.1913.4213.2213.7214.1114.421413.2512.3313.11
Wind direction (°)SW 218°SW 222°SW 224°SW 223°SW 222°SW 224°SSW 209°SSW 199°SSW 194°SSW 197°SSW 199°SSW 201°SSW 211°SSW 211°SSW 211°SSW 205°SSW 204°SSW 203°SSW 202°SSW 205°SSW 204°SSW 204°SSW 207°SSW 213°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)929188888987888684868890898988868479768089918891

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)754754755755755755755755755755755755755755756756756755755755755755755756

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index0000000000.20.20.30.30.40.40.60.60.50.300000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)43.12.52.22.22.52.52.52.93.95.577.97.66.14.84.33.83.12.833.232.8
PM10 (µg/m³)6.45.543.53.53.83.93.94.56.18.610.912.211.69.37.36.25.44.444.24.44.13.9
Ozone (O₃) (µg/m³)57616467.87068666565677381858276727376787673717172
NO₂ (µg/m³)4.33.52.82.52.32.52.72.9332.621.61.61.8221.922.53.13.53.42.9
SO₂ (µg/m³)0.30.30.30.30.30.30.30.30.40.40.40.30.30.30.30.30.30.20.20.20.30.30.30.4
CO (µg/m³)187171155.5140.3125124125129135138137133130129130130131131132133133133132130

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.