5-day weather forecast Prague 18-05-2026

Weather forecast Prague today 18.05.2026: sunny, temperature from 5 °C to 18 °C.

No precipitation expected. Wind up to 2.11 m/s (gusts 3.58 m/s). Air humidity 34–84%, atmospheric pressure 761–763 mm Hg, UV index up to 6.

Sunrise 05:12
Sunset 20:46
Waxing Crescent2% illuminated
Moonrise 05:42 · Moonset 23:41
Chart
Table
Mon, May 18, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Partly cloudy
7 °C0% 26%76%763 mm HgE 98° 1 (2.11) m/s0
01:00Weather
Clear
7 °C0% 22%77%763 mm HgE 95° 1.31 (2.72) m/s0
02:00Weather
Clear
7 °C0% 21%79%762 mm HgESE 110° 1 (2.11) m/s0
03:00Weather
Clear
6 °C0% 24%81%762 mm HgESE 118° 0.89 (1.89) m/s0
04:00Weather
Partly cloudy
6 °C0% 26%82%762 mm HgSE 128° 0.81 (1.67) m/s0
05:00Weather
Partly cloudy
5 °C0% 26%84%762 mm HgSE 142° 0.81 (1.67) m/s0
06:00Weather
Partly cloudy
6 °C0% 29%83%763 mm HgSE 131° 0.81 (1.67) m/s0.1
07:00Weather
Partly cloudy
8 °C0% 27%77%763 mm HgESE 120° 0.69 (1.06) m/s0.3
08:00Weather
Partly cloudy
10 °C0% 26%71%763 mm HgESE 119° 1 (1.19) m/s1
09:00Weather
Sunny
12 °C0% 24%64%762 mm HgESE 107° 1.19 (1.39) m/s2
10:00Weather
Sunny
14 °C0% 20%59%762 mm HgE 98° 1.61 (1.83) m/s3.4
11:00Weather
Sunny
15 °C0% 10%53%762 mm HgE 92° 1.11 (1.28) m/s4.7
12:00Weather
Sunny
17 °C0% 10%47%761 mm HgENE 59° 0.89 (1.03) m/s5.6
13:00Weather
Sunny
18 °C0% 20%42%761 mm HgNNE 17° 1.11 (1.28) m/s6
14:00Weather
Sunny
18 °C0% 25%40%761 mm HgNNW 346° 1 (1.14) m/s5.7
15:00Weather
Partly cloudy
18 °C0% 28%41%761 mm HgWNW 298° 1.61 (1.83) m/s4.2
16:00Weather
Partly cloudy
17 °C0% 47%45%761 mm HgWNW 289° 2.11 (2.53) m/s3.1
17:00Weather
Partly cloudy
18 °C0% 0%34%761 mm HgWNW 289° 1.39 (1.69) m/s1.8
18:00Weather
Sunny
17 °C0% 21%47%761 mm HgWNW 290° 1.11 (1.36) m/s0.7
19:00Weather
Sunny
17 °C0% 15%55%761 mm HgNNE 20° 0.39 (0.53) m/s0.2
20:00Weather
Sunny
14 °C0% 14%60%761 mm HgE 87° 1 (2.08) m/s0.1
21:00Weather
Clear
11 °C0% 12%63%761 mm HgESE 115° 1.19 (2.53) m/s0
22:00Weather
Partly cloudy
11 °C0% 29%66%761 mm HgSE 140° 1.61 (3.36) m/s0
23:00Weather
Partly cloudy
11 °C0% 45%66%762 mm HgSE 143° 1.69 (3.58) m/s0
Mon, May 18, 2026

Frequently asked questions about the weather in Prague

Today in Prague the temperature ranges from 5 °C to 18 °C, wind up to 2.11 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Prague today is 0%. 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 2.11 m/s with gusts up to 3.58 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Prague today ranges from 34% to 84%. View the humidity chart above for hourly details.

The UV index in Prague today reaches up to 6. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Prague today ranges from 761 to 763 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Prague today reaches up to 47%. 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.