5-day weather forecast Tallinn Sep 18, 2026
15°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
Tugev tuul Tase 1
Lõuna- ja edelatuul puhanguti 16 m/s. Laine kõrgus 1-2,5 m.
https://www.rescue.ee/et
Tugev tuul Tase 1
Lõuna- ja edelatuul puhanguti 16 m/s. Laine kõrgus 1-2,5 m.
https://www.rescue.ee/et
5 days at a glance — tap a day to open it
Sunrise 06:56
Sunset 19:33
Sunset 19:33
First Quarter53% illuminated
Moonrise 17:40 · Moonset 21:07
Moonrise 17:40 · Moonset 21:07
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 11 °C | 25% (0.01 mm/hr) | 72% | 92% | 754 mm Hg | SW 218° 5.5 (9.69) m/s | 0 |
| 01:00 | Patchy rain possible | 12 °C | 28% (0.03 mm/hr) | 75% | 91% | 754 mm Hg | SW 222° 5.61 (9.89) m/s | 0 |
| 02:00 | Patchy rain possible | 12 °C | 37% (0.08 mm/hr) | 100% | 88% | 755 mm Hg | SW 224° 6.19 (10.22) m/s | 0 |
| 03:00 | Patchy rain possible | 12 °C | 31% (0.03 mm/hr) | 100% | 88% | 755 mm Hg | SW 223° 6.39 (10.61) m/s | 0 |
| 04:00 | Patchy rain possible | 12 °C | 38% (0.09 mm/hr) | 100% | 89% | 755 mm Hg | SW 222° 6.39 (10.61) m/s | 0 |
| 05:00 | Patchy rain possible | 12 °C | 32% (0.04 mm/hr) | 100% | 87% | 755 mm Hg | SW 224° 5.81 (9.89) m/s | 0 |
| 06:00 | Patchy rain possible | 12 °C | 34% (0.06 mm/hr) | 100% | 88% | 755 mm Hg | SSW 209° 5.39 (9.39) m/s | 0 |
| 07:00 |  Overcast | 11 °C | 27% | 100% | 86% | 755 mm Hg | SSW 199° 5.5 (10.22) m/s | 0 |
| 08:00 | Overcast | 12 °C | 26% | 100% | 84% | 755 mm Hg | SSW 194° 6.19 (11.19) m/s | 0 |
| 09:00 | Overcast | 12 °C | 27% | 100% | 86% | 755 mm Hg | SSW 197° 6.5 (11.92) m/s | 0.2 |
| 10:00 | Patchy rain possible | 13 °C | 33% (0.05 mm/hr) | 100% | 88% | 755 mm Hg | SSW 199° 7.11 (12.03) m/s | 0.2 |
| 11:00 |  Light rain shower | 13 °C | 63% (0.53 mm/hr) | 100% | 90% | 755 mm Hg | SSW 201° 7.39 (12.14) m/s | 0.3 |
| 12:00 | Light rain shower | 14 °C | 48% (0.26 mm/hr) | 100% | 89% | 755 mm Hg | SSW 211° 8.19 (13.22) m/s | 0.3 |
| 13:00 | Light rain shower | 14 °C | 47% (0.24 mm/hr) | 100% | 89% | 755 mm Hg | SSW 211° 8 (13.14) m/s | 0.4 |
| 14:00 | Patchy rain possible | 14 °C | 30% (0.01 mm/hr) | 100% | 88% | 756 mm Hg | SSW 211° 8.11 (13.19) m/s | 0.4 |
| 15:00 | Overcast | 14 °C | 27% | 100% | 86% | 756 mm Hg | SSW 205° 8.39 (13.42) m/s | 0.6 |
| 16:00 | Overcast | 15 °C | 24% | 90% | 84% | 756 mm Hg | SSW 204° 8.5 (13.22) m/s | 0.6 |
| 17:00 | Overcast | 15 °C | 22% | 92% | 79% | 755 mm Hg | SSW 203° 8.39 (13.72) m/s | 0.5 |
| 18:00 | Patchy rain possible | 15 °C | 23% (0.02 mm/hr) | 100% | 76% | 755 mm Hg | SSW 202° 8.89 (14.11) m/s | 0.3 |
| 19:00 | Patchy rain possible | 15 °C | 35% (0.14 mm/hr) | 100% | 80% | 755 mm Hg | SSW 205° 9.11 (14.42) m/s | 0 |
| 20:00 |  Light rain shower | 14 °C | 46% (0.23 mm/hr) | 100% | 89% | 755 mm Hg | SSW 204° 8.61 (14) m/s | 0 |
| 21:00 |  Overcast | 14 °C | 31% | 100% | 91% | 755 mm Hg | SSW 204° 8.11 (13.25) m/s | 0 |
| 22:00 | Patchy rain possible | 14 °C | 23% (0.01 mm/hr) | 71% | 88% | 755 mm Hg | SSW 207° 8 (12.33) m/s | 0 |
| 23:00 |  Clear | 13 °C | 15% | 12% | 91% | 756 mm Hg | SSW 213° 8 (13.11) m/s | 0 |
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.