5-day weather forecast Pärnu 20-08-2026
Weather forecast Pärnu Thursday, August 20 20.08.2026: patchy rain possible, temperature from 11 °C to 17 °C.
Precipitation probability 75%. Wind up to 6.81 m/s (gusts 12.5 m/s). Air humidity 75–96%, atmospheric pressure 750–754 mm Hg, UV index up to 2.3.
5 days at a glance — tap a day to open it
Sunrise 05:55
Sunset 20:55
Sunset 20:55
First Quarter58% illuminated
Moonrise 17:19 · Moonset 22:06
Moonrise 17:19 · Moonset 22:06
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 11 °C | 23% | 100% | 78% | 751 mm Hg | E 81° 0.5 (3.5) m/s | 0 |
| 01:00 | Overcast | 11 °C | 23% | 100% | 79% | 751 mm Hg | E 98° 1.69 (5.69) m/s | 0 |
| 02:00 | Overcast | 11 °C | 24% | 100% | 81% | 751 mm Hg | ESE 105° 2 (2) m/s | 0 |
| 03:00 | Overcast | 11 °C | 24% | 100% | 81% | 751 mm Hg | ESE 108° 2.11 (2.92) m/s | 0 |
| 04:00 | Overcast | 11 °C | 23% | 100% | 78% | 751 mm Hg | ESE 122° 2.11 (4) m/s | 0 |
| 05:00 | Overcast | 11 °C | 23% | 100% | 79% | 751 mm Hg | SE 127° 2.11 (3.81) m/s | 0 |
| 06:00 |  Patchy rain possible | 12 °C | 26% (0.01 mm/hr) | 100% | 82% | 750 mm Hg | SE 135° 2 (4.31) m/s | 0 |
| 07:00 | Patchy rain possible | 13 °C | 27% (0.01 mm/hr) | 100% | 84% | 750 mm Hg | SE 144° 2 (5.31) m/s | 0.1 |
| 08:00 |  Light rain shower | 13 °C | 75% (1.1 mm/hr) | 100% | 92% | 750 mm Hg | SE 137° 2.31 (5.11) m/s | 0.2 |
| 09:00 | Light rain shower | 13 °C | 62% (0.43 mm/hr) | 100% | 96% | 750 mm Hg | SE 127° 2.69 (6.39) m/s | 0.5 |
| 10:00 | Light rain shower | 13 °C | 58% (0.36 mm/hr) | 100% | 96% | 750 mm Hg | SE 142° 3.39 (8.72) m/s | 0.8 |
| 11:00 | Light rain shower | 14 °C | 65% (0.49 mm/hr) | 100% | 95% | 750 mm Hg | SSE 159° 3.69 (8.5) m/s | 1.4 |
| 12:00 | Light rain shower | 15 °C | 70% (0.71 mm/hr) | 100% | 94% | 750 mm Hg | SSE 165° 3.81 (8.31) m/s | 2.1 |
| 13:00 | Light rain shower | 15 °C | 62% (0.59 mm/hr) | 86% | 93% | 751 mm Hg | S 185° 3.81 (7.89) m/s | 1.8 |
| 14:00 | Light rain shower | 16 °C | 67% (1.29 mm/hr) | 66% | 90% | 750 mm Hg | SSW 202° 4.19 (7.5) m/s | 1.4 |
| 15:00 | Light rain shower | 17 °C | 58% (0.75 mm/hr) | 70% | 88% | 751 mm Hg | SW 216° 4.19 (7.5) m/s | 1.4 |
| 16:00 | Patchy rain possible | 17 °C | 36% (0.21 mm/hr) | 79% | 84% | 751 mm Hg | SW 224° 5.11 (8.53) m/s | 2.3 |
| 17:00 | Patchy rain possible | 17 °C | 35% (0.28 mm/hr) | 74% | 78% | 751 mm Hg | SW 216° 6.11 (10.31) m/s | 1.2 |
| 18:00 | Patchy rain possible | 17 °C | 26% (0.06 mm/hr) | 89% | 78% | 751 mm Hg | SW 218° 6.5 (10.39) m/s | 0.8 |
| 19:00 | Patchy rain possible | 17 °C | 32% (0.17 mm/hr) | 79% | 81% | 751 mm Hg | SW 230° 5.81 (9.89) m/s | 0.3 |
| 20:00 | Patchy rain possible | 16 °C | 33% (0.15 mm/hr) | 80% | 82% | 751 mm Hg | WSW 257° 5.31 (10.19) m/s | 0.1 |
| 21:00 |  Patchy rain possible | 14 °C | 22% (0.01 mm/hr) | 66% | 88% | 752 mm Hg | W 276° 6.5 (11.81) m/s | 0 |
| 22:00 | Patchy rain possible | 14 °C | 25% (0.01 mm/hr) | 93% | 83% | 753 mm Hg | WNW 283° 6.81 (12.5) m/s | 0 |
| 23:00 | Overcast | 14 °C | 20% | 94% | 75% | 754 mm Hg | WNW 287° 6.11 (11.83) m/s | 0 |
Pärnu 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.