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5-day weather forecast Pärnu 18-03-2026

Weather forecast Pärnu today 18.03.2026: sunny, temperature from -1 °C to 4 °C.

Precipitation probability 73%. Wind up to 3.11 m/s (gusts 4.89 m/s). Air humidity 75–97%, atmospheric pressure 773–775 mm Hg, UV index up to 1.7.

Sunrise 06:31
Sunset 18:31
Chart
Table
Type of temperature:
°C
°F
Wed, 18 Mar, 2026
TemperaturePrecipitationCloud coverHumidityPressureWindUV Index
00:00Weather
Mist
1 °C0% 41%95%773 mm HgWSW 256° 1.69 (3.53) m/s0
01:00Weather
Mist
0 °C0% 45%95%773 mm HgW 260° 1.5 (3.08) m/s0
02:00Weather
Mist
0 °C0% 37%95%773 mm HgWSW 254° 1.5 (3.06) m/s0
03:00Weather
Mist
0 °C73% (0.01 mm/hr)82%96%773 mm HgSW 233° 1.5 (3.08) m/s0
04:00Weather
Mist
0 °C0% 15%96%773 mm HgSW 215° 1.5 (3.08) m/s0
05:00Weather
Mist
-1 °C0% 14%97%773 mm HgSSW 206° 1.61 (3.31) m/s0
06:00Weather
Freezing fog
-1 °C0% 18%97%774 mm HgSW 217° 1.61 (3.28) m/s0
07:00Weather
Mist
-1 °C83% (0.01 mm/hr)83%97%774 mm HgSW 223° 1.61 (3.22) m/s0
08:00Weather
Sunny
0 °C0% 20%94%775 mm HgSW 214° 1.5 (2.69) m/s0.3
09:00Weather
Sunny
1 °C0% 14%89%775 mm HgSSW 210° 1.69 (2.72) m/s0.6
10:00Weather
Sunny
2 °C0% 6%85%775 mm HgSSW 208° 2 (3.06) m/s1.1
11:00Weather
Sunny
3 °C0% 4%82%775 mm HgSSW 212° 2.39 (3.56) m/s1.5
12:00Weather
Sunny
4 °C0% 4%79%775 mm HgSW 216° 2.5 (3.69) m/s1.7
13:00Weather
Sunny
4 °C0% 4%76%775 mm HgSW 219° 2.89 (4.36) m/s1.7
14:00Weather
Sunny
4 °C0% 8%75%774 mm HgSW 225° 3.11 (4.78) m/s1.4
15:00Weather
Sunny
4 °C0% 13%75%774 mm HgSW 226° 3.11 (4.86) m/s1
16:00Weather
Sunny
4 °C0% 14%75%774 mm HgSW 222° 3 (4.89) m/s0.5
17:00Weather
Sunny
4 °C0% 12%79%773 mm HgSW 216° 2.61 (4.5) m/s0.2
18:00Weather
Sunny
2 °C0% 13%86%773 mm HgSSW 209° 2.31 (4.72) m/s0
19:00Weather
Clear
1 °C0% 15%90%773 mm HgSSW 209° 2.31 (4.83) m/s0
20:00Weather
Clear
1 °C0% 19%91%773 mm HgSSW 213° 2.31 (4.83) m/s0
21:00Weather
Clear
0 °C0% 22%92%773 mm HgSW 217° 2.19 (4.61) m/s0
22:00Weather
Clear
0 °C0% 24%93%773 mm HgSW 221° 2.19 (4.61) m/s0
23:00Weather
Clear
0 °C0% 25%94%773 mm HgSW 219° 2.31 (4.83) m/s0
Wed, 18 Mar, 2026

Frequently asked questions about the weather in Pärnu

Today in Pärnu the temperature ranges from -1 °C to 4 °C, wind up to 3.11 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Pärnu today is 73%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Pärnu today reaches up to 3.11 m/s with gusts up to 4.89 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Pärnu today ranges from 75% to 97%. View the humidity chart above for hourly details.

The UV index in Pärnu today reaches up to 1.7. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Pärnu today ranges from 773 to 775 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Pärnu today reaches up to 83%. 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.

Learn more about our methodology

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