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 3.69 m/s (gusts 4.94 m/s). Air humidity 46–94%, atmospheric pressure 769–772 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
Partly cloudy
11 °C0% 39%93%769 mm HgW 262° 2.31 (4.83) m/s0
01:00Weather
Partly cloudy
10 °C0% 34%93%769 mm HgWSW 257° 2.19 (4.61) m/s0
02:00Weather
Partly cloudy
10 °C0% 41%94%770 mm HgWSW 254° 2.31 (4.83) m/s0
03:00Weather
Mist
9 °C0% 39%94%770 mm HgWSW 257° 2.31 (4.83) m/s0
04:00Weather
Mist
9 °C0% 41%94%770 mm HgWSW 252° 2.11 (4.42) m/s0
05:00Weather
Mist
9 °C0% 19%94%770 mm HgWSW 253° 2 (4.19) m/s0
06:00Weather
Sunny
9 °C0% 19%94%770 mm HgWSW 250° 2 (4.19) m/s0.1
07:00Weather
Partly cloudy
11 °C0% 27%89%770 mm HgWSW 258° 1.89 (2.97) m/s0.3
08:00Weather
Partly cloudy
13 °C0% 37%83%771 mm HgW 279° 2.31 (2.86) m/s0.4
09:00Weather
Partly cloudy
15 °C0% 60%77%771 mm HgWNW 295° 2.81 (3.22) m/s1
10:00Weather
Light drizzle
16 °C100% (0.26 mm/hr)90%73%770 mm HgNW 304° 3.11 (3.58) m/s3.4
11:00Weather
Light rain shower
17 °C100% (0.32 mm/hr)82%70%770 mm HgNW 315° 3 (3.61) m/s2.8
12:00Weather
Light rain shower
18 °C100% (0.28 mm/hr)54%66%770 mm HgNW 325° 3.19 (3.78) m/s4.6
13:00Weather
Patchy rain possible
18 °C100% (0.24 mm/hr)74%67%770 mm HgNNW 338° 3.69 (4.94) m/s7
14:00Weather
Patchy rain possible
19 °C100% (0.17 mm/hr)74%62%770 mm HgNNW 341° 3.11 (3.92) m/s6.4
15:00Weather
Patchy rain possible
19 °C100% (0.12 mm/hr)74%58%770 mm HgNNW 336° 3.39 (3.94) m/s4
16:00Weather
Patchy rain possible
19 °C100% (0.13 mm/hr)53%58%770 mm HgNNW 344° 3.69 (4.31) m/s4
17:00Weather
Patchy rain possible
20 °C100% (0.11 mm/hr)58%56%770 mm HgN 350° 3.31 (3.97) m/s4
18:00Weather
Patchy rain possible
19 °C100% (0.08 mm/hr)74%59%770 mm HgN 358° 2.81 (3.61) m/s4
19:00Weather
Patchy rain possible
18 °C100% (0.06 mm/hr)83%66%770 mm HgN 355° 2.5 (4) m/s4
20:00Weather
Patchy rain possible
16 °C67% (0.02 mm/hr)56%70%770 mm HgN 0° 2.39 (4.44) m/s4
21:00Weather
Partly cloudy
19 °C0% 0%46%770 mm HgNNE 14° 2 (4.19) m/s0
22:00Weather
Partly cloudy
12 °C0% 42%82%772 mm HgNNE 18° 1.5 (3.14) m/s0
23:00Weather
Clear
12 °C0% 12%84%772 mm HgN 356° 0.89 (1.89) 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 3.69 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 3.69 m/s with gusts up to 4.94 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Prague today ranges from 46% to 94%. 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 769 to 772 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Prague today reaches up to 90%. 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.