5-day weather forecast Pärnu 21-08-2026
Weather forecast Pärnu Friday, August 21 21.08.2026: patchy rain possible, temperature from 10 °C to 18 °C.
Precipitation probability 60%. Wind up to 4.81 m/s (gusts 10.53 m/s). Air humidity 70–96%, atmospheric pressure 754–756 mm Hg, UV index up to 1.5.
5 days at a glance — tap a day to open it
Sunrise 05:57
Sunset 20:53
Sunset 20:53
First Quarter69% illuminated
Moonrise 18:35 · Moonset 22:40
Moonrise 18:35 · Moonset 22:40
Chart
TableForecast from 10 °C to 18 °C and precipitation
Cloud cover and precipitation probability
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
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.