5-day weather forecast Prague 21-05-2026

Weather forecast Prague today 21.05.2026: partly cloudy, temperature from 9 °C to 20 °C.

Precipitation probability 100%. Wind up to 3.61 m/s (gusts 4.61 m/s). Air humidity 53–93%, atmospheric pressure 770–772 mm Hg, UV index up to 7.

Sunrise 05:08
Sunset 20:50
Waxing Crescent24% illuminated
Moonrise 09:34 · Moonset 01:15
Chart
Table
Thu, May 21, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Patchy rain possible
11 °C100% (0.06 mm/hr)54%89%770 mm HgW 263° 2 (4.19) m/s0
01:00Weather
Partly cloudy
10 °C0% 45%91%770 mm HgW 266° 2.11 (4.42) m/s0
02:00Weather
Partly cloudy
10 °C0% 27%92%770 mm HgW 259° 2 (4.19) m/s0
03:00Weather
Partly cloudy
10 °C0% 45%92%770 mm HgWSW 254° 2.11 (4.42) m/s0
04:00Weather
Clear
9 °C0% 17%93%771 mm HgWSW 253° 2.19 (4.61) m/s0
05:00Weather
Partly cloudy
9 °C0% 40%93%771 mm HgWSW 247° 1.89 (4) m/s0
06:00Weather
Partly cloudy
9 °C0% 40%92%771 mm HgWSW 255° 1.89 (3.94) m/s0.1
07:00Weather
Partly cloudy
12 °C0% 30%86%771 mm HgWSW 258° 1.61 (2.39) m/s0.3
08:00Weather
Sunny
14 °C0% 19%78%772 mm HgW 277° 2.11 (2.56) m/s0.4
09:00Weather
Sunny
16 °C0% 17%73%771 mm HgWNW 290° 2.61 (3) m/s1
10:00Weather
Partly cloudy
17 °C0% 50%67%771 mm HgWNW 294° 3.19 (3.67) m/s3.4
11:00Weather
Patchy rain possible
18 °C62% (0.01 mm/hr)86%63%771 mm HgWNW 301° 3.61 (4.14) m/s2.8
12:00Weather
Patchy rain possible
19 °C74% (0.04 mm/hr)95%59%771 mm HgNW 309° 3.39 (3.92) m/s4.6
13:00Weather
Patchy rain possible
20 °C81% (0.05 mm/hr)95%55%771 mm HgNW 319° 3.39 (3.92) m/s7
14:00Weather
Cloudy
20 °C0% 63%54%770 mm HgNNW 329° 3.19 (3.67) m/s6.4
15:00Weather
Cloudy
20 °C0% 84%55%770 mm HgNNW 328° 2.61 (3.25) m/s4
16:00Weather
Partly cloudy
20 °C0% 53%56%770 mm HgNW 318° 2.31 (2.83) m/s5
17:00Weather
Cloudy
20 °C0% 74%53%770 mm HgNW 321° 2.61 (3.14) m/s5
18:00Weather
Overcast
20 °C0% 100%55%770 mm HgNNW 330° 2.61 (3.36) m/s5
19:00Weather
Patchy rain possible
20 °C68% (0.02 mm/hr)82%63%770 mm HgNNW 337° 2.19 (3.19) m/s4
20:00Weather
Patchy rain possible
17 °C70% (0.01 mm/hr)82%70%770 mm HgNNW 337° 2.11 (4.28) m/s4
21:00Weather
Partly cloudy
15 °C0% 34%76%771 mm HgNNW 340° 1.81 (3.78) m/s0
22:00Weather
Partly cloudy
14 °C0% 33%80%771 mm HgNNW 342° 1.5 (3.14) m/s0
23:00Weather
Clear
13 °C0% 19%82%772 mm HgNNW 336° 1.31 (2.72) m/s0
Thu, May 21, 2026

Frequently asked questions about the weather in Prague

Today in Prague the temperature ranges from 9 °C to 20 °C, wind up to 3.61 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Prague today is 100%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Prague today reaches up to 3.61 m/s with gusts up to 4.61 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Prague today ranges from 53% to 93%. View the humidity chart above for hourly details.

The UV index in Prague today reaches up to 7. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Prague today ranges from 770 to 772 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Prague today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.

Prague 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.