5-day weather forecast Pärnu 18-03-2026
Weather forecast Pärnu today 18.03.2026: sunny, temperature from -1 °C to 4 °C.
No precipitation expected. Wind up to 3.19 m/s (gusts 5.03 m/s). Air humidity 74–100%, atmospheric pressure 773–775 mm Hg, UV index up to 1.8.
Sunset 18:31
| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Mist | 0 °C | 0% | 23% | 96% | 773 mm Hg | WSW 245° 1.5 (3.14) m/s | 0 |
| 01:00 | Mist | 0 °C | 0% | 27% | 96% | 773 mm Hg | WSW 238° 1.61 (3.36) m/s | 0 |
| 02:00 | Mist | 0 °C | 0% | 27% | 97% | 773 mm Hg | SW 232° 1.61 (3.36) m/s | 0 |
| 03:00 | Mist | -1 °C | 0% | 36% | 97% | 773 mm Hg | SW 221° 1.5 (3.14) m/s | 0 |
| 04:00 | Mist | -1 °C | 0% | 29% | 96% | 774 mm Hg | SW 229° 1.39 (2.94) m/s | 0 |
| 05:00 | Mist | -1 °C | 0% | 12% | 95% | 773 mm Hg | SSW 206° 1.61 (3.36) m/s | 0 |
| 06:00 | Mist | -1 °C | 0% | 9% | 95% | 774 mm Hg | SSW 211° 1.61 (3.36) m/s | 0 |
| 07:00 |  Mist | -1 °C | 0% | 9% | 95% | 774 mm Hg | SW 222° 1.61 (3.36) m/s | 0 |
| 08:00 |  Sunny | 0 °C | 0% | 11% | 91% | 775 mm Hg | SW 217° 1.5 (2.83) m/s | 0.3 |
| 09:00 |  Light rain | 0 °C | 0% | 100% | 100% | 774 mm Hg | SSW 211° 1.81 (2.92) m/s | 0.6 |
| 10:00 | Sunny | 3 °C | 0% | 12% | 82% | 775 mm Hg | SW 217° 2 (3.08) m/s | 1.1 |
| 11:00 | Sunny | 3 °C | 0% | 3% | 79% | 775 mm Hg | SW 215° 2.31 (3.47) m/s | 1.5 |
| 12:00 | Sunny | 4 °C | 0% | 4% | 77% | 775 mm Hg | SW 218° 2.69 (4.08) m/s | 1.8 |
| 13:00 | Sunny | 4 °C | 0% | 5% | 75% | 775 mm Hg | SW 223° 3 (4.61) m/s | 1.7 |
| 14:00 | Sunny | 4 °C | 0% | 7% | 74% | 775 mm Hg | SW 224° 3.11 (4.78) m/s | 1.5 |
| 15:00 | Sunny | 4 °C | 0% | 11% | 74% | 775 mm Hg | SW 224° 3.19 (5) m/s | 1 |
| 16:00 | Sunny | 4 °C | 0% | 15% | 75% | 774 mm Hg | SW 223° 3 (4.86) m/s | 0.5 |
| 17:00 | Sunny | 3 °C | 0% | 19% | 79% | 774 mm Hg | SW 216° 2.61 (4.56) m/s | 0.2 |
| 18:00 | Sunny | 2 °C | 0% | 21% | 86% | 774 mm Hg | SSW 208° 2.39 (4.94) m/s | 0 |
| 19:00 |  Clear | 1 °C | 0% | 22% | 89% | 774 mm Hg | SSW 205° 2.39 (5.03) m/s | 0 |
| 20:00 |  Partly cloudy | 0 °C | 0% | 25% | 89% | 773 mm Hg | SSW 211° 2.39 (5.03) m/s | 0 |
| 21:00 | Partly cloudy | 0 °C | 0% | 30% | 90% | 773 mm Hg | SW 218° 2.19 (4.61) m/s | 0 |
| 22:00 | Partly cloudy | 0 °C | 0% | 39% | 91% | 773 mm Hg | SW 218° 2.31 (4.83) m/s | 0 |
| 23:00 | Partly cloudy | 0 °C | 0% | 39% | 93% | 773 mm Hg | SSW 212° 2.31 (4.83) m/s | 0 |
Frequently asked questions about the weather in Pärnu
What is the weather in Pärnu today?
Today in Pärnu the temperature ranges from -1 °C to 4 °C, wind up to 3.19 m/s. Check the detailed hourly forecast above for more information.
Will it rain in Pärnu this week?
The precipitation probability in Pärnu today is 0%. View the full multi-day forecast above to see the rain chances for each upcoming day.
What is the wind speed in Pärnu today?
The wind speed in Pärnu today reaches up to 3.19 m/s with gusts up to 5.03 m/s. Check the detailed wind chart above for hourly wind data.
What is the humidity in Pärnu today?
The air humidity in Pärnu today ranges from 74% to 100%. View the humidity chart above for hourly details.
What is the UV index in Pärnu today?
The UV index in Pärnu today reaches up to 1.8. Check the UV index chart above for hourly values throughout the day.
What is the atmospheric pressure in Pärnu today?
The atmospheric pressure in Pärnu today ranges from 773 to 775 mm Hg. View the pressure chart above for hourly readings.
What is the cloud cover in Pärnu today?
Cloud cover in Pärnu today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.
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.