5-day weather forecast Tallinn 21-05-2026
Weather forecast Tallinn Thursday, May 21 21.05.2026: sunny, temperature from 8 °C to 16 °C.
Precipitation probability 88%. Wind up to 2.69 m/s (gusts 5.25 m/s). Air humidity 62–94%, atmospheric pressure 766–768 mm Hg, UV index up to 4.4.
Sunrise 04:35
Sunset 22:02
Sunset 22:02
Waxing Crescent24% illuminated
Moonrise 08:48 · Moonset 02:38
Moonrise 08:48 · Moonset 02:38
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 8 °C | 0% | 7% | 84% | 768 mm Hg | SW 218° 1.11 (2.31) m/s | 0 |
| 01:00 | Clear | 8 °C | 0% | 6% | 84% | 768 mm Hg | S 177° 1.69 (3.58) m/s | 0 |
| 02:00 | Clear | 8 °C | 0% | 4% | 85% | 768 mm Hg | S 173° 2.19 (4.61) m/s | 0 |
| 03:00 | Clear | 8 °C | 0% | 6% | 86% | 767 mm Hg | S 176° 2.39 (5.03) m/s | 0 |
| 04:00 | Clear | 8 °C | 0% | 6% | 88% | 768 mm Hg | S 175° 2.5 (5.25) m/s | 0 |
| 05:00 |  Sunny | 8 °C | 0% | 9% | 90% | 768 mm Hg | S 176° 2.5 (5.25) m/s | 0 |
| 06:00 | Sunny | 9 °C | 0% | 18% | 88% | 768 mm Hg | S 178° 2.5 (5.25) m/s | 0.1 |
| 07:00 |  Partly cloudy | 10 °C | 0% | 54% | 82% | 768 mm Hg | S 185° 2.61 (4.89) m/s | 0.4 |
| 08:00 |  Cloudy | 12 °C | 0% | 73% | 75% | 768 mm Hg | SSW 193° 2.69 (4.64) m/s | 0.9 |
| 09:00 | Partly cloudy | 13 °C | 0% | 41% | 70% | 768 mm Hg | SSW 195° 2.39 (4.03) m/s | 1.6 |
| 10:00 |  Patchy rain possible | 13 °C | 88% (0.01 mm/hr) | 83% | 73% | 768 mm Hg | SSW 196° 1.39 (2.61) m/s | 2.6 |
| 11:00 | Cloudy | 14 °C | 0% | 79% | 69% | 767 mm Hg | S 180° 1.5 (2.75) m/s | 3.5 |
| 12:00 |  Overcast | 15 °C | 0% | 94% | 63% | 767 mm Hg | SSW 193° 1.5 (2.67) m/s | 4.3 |
| 13:00 | Patchy rain possible | 16 °C | 76% (0.03 mm/hr) | 100% | 62% | 767 mm Hg | SSW 213° 0.69 (1.25) m/s | 4.4 |
| 14:00 | Patchy rain possible | 15 °C | 100% (0.06 mm/hr) | 100% | 67% | 767 mm Hg | NNE 27° 0.31 (0.53) m/s | 2.3 |
| 15:00 |  Patchy light drizzle | 14 °C | 100% (0.16 mm/hr) | 71% | 76% | 767 mm Hg | NNE 29° 0.39 (0.72) m/s | 2 |
| 16:00 |  Light rain shower | 14 °C | 100% (0.18 mm/hr) | 63% | 76% | 767 mm Hg | NW 321° 0.61 (1.06) m/s | 3 |
| 17:00 | Patchy rain possible | 14 °C | 100% (0.15 mm/hr) | 65% | 74% | 767 mm Hg | NW 310° 1.5 (2.61) m/s | 3 |
| 18:00 | Patchy rain possible | 14 °C | 64% (0.01 mm/hr) | 85% | 74% | 767 mm Hg | NW 304° 2 (3.44) m/s | 3 |
| 19:00 | Sunny | 13 °C | 0% | 13% | 75% | 767 mm Hg | WNW 285° 2 (3.5) m/s | 4 |
| 20:00 | Sunny | 13 °C | 0% | 20% | 78% | 767 mm Hg | WNW 283° 2 (3.61) m/s | 4 |
| 21:00 | Partly cloudy | 11 °C | 0% | 27% | 85% | 767 mm Hg | WNW 283° 2.39 (4.86) m/s | 4 |
| 22:00 | Partly cloudy | 10 °C | 0% | 39% | 92% | 767 mm Hg | W 265° 2.5 (5.25) m/s | 3 |
| 23:00 |  Mist | 9 °C | 0% | 20% | 94% | 766 mm Hg | SW 236° 2.5 (5.25) m/s | 0 |
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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.