5-day weather forecast Prague Sep 21, 2026

15° · Patchy rain possible

Weather forecast Prague today Sep 21, 2026: patchy rain possible, temperature from 8 °C to 15 °C.

Precipitation probability 33%. Wind up to 7.39 m/s (gusts 11.14 m/s). Air humidity 48–84%, atmospheric pressure 768–771 mm Hg, UV index up to 2.5.

Sunrise 06:47
Sunset 19:03
Waxing Gibbous82% illuminated
Moonrise 17:20 · Moonset 00:45
Chart
Table
Mon, Sep 21, 2026
TimeWeatherTemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00
Clear
12 °C8% 0%76%770 mm HgWNW 300° 4.5 (10.72) m/s0
01:00
Clear
12 °C9% 0%80%770 mm HgWNW 282° 3.61 (9.39) m/s0
02:00
Patchy rain possible
11 °C33% (0.17 mm/hr)78%82%770 mm HgW 278° 3.61 (9.11) m/s0
03:00
Clear
11 °C10% 0%82%770 mm HgW 266° 3.69 (9.14) m/s0
04:00
Clear
10 °C10% 0%81%770 mm HgW 271° 4.5 (10.19) m/s0
05:00
Partly cloudy
9 °C16% 51%83%770 mm HgW 270° 3.89 (9.22) m/s0
06:00
Clear
9 °C11% 8%84%770 mm HgW 266° 3.69 (8.89) m/s0
07:00
Partly cloudy
8 °C17% 54%84%770 mm HgW 265° 3.81 (8.92) m/s0
08:00
Overcast
9 °C24% 100%79%771 mm HgW 272° 4.81 (8.92) m/s0.2
09:00
Patchy rain possible
10 °C21% (0.01 mm/hr)99%73%770 mm HgW 272° 5 (8.42) m/s0.7
10:00
Patchy rain possible
11 °C17% (0.01 mm/hr)99%64%771 mm HgW 275° 5.39 (8.72) m/s1.2
11:00
Patchy rain possible
13 °C12% (0.02 mm/hr)78%57%770 mm HgW 280° 6.5 (11.11) m/s1.2
12:00
Patchy rain possible
15 °C17% (0.09 mm/hr)92%48%769 mm HgWNW 300° 7.31 (10.61) m/s2.5
13:00
Light rain shower
15 °C20% (0.17 mm/hr)89%49%769 mm HgWNW 301° 7.11 (10.53) m/s1.7
14:00
Light rain shower
15 °C21% (0.29 mm/hr)72%51%769 mm HgWNW 301° 7 (10.42) m/s1.4
15:00
Patchy rain possible
15 °C20% (0.24 mm/hr)73%50%769 mm HgWNW 301° 6.89 (10.33) m/s1.9
16:00
Light rain shower
15 °C17% (0.22 mm/hr)56%49%768 mm HgWNW 298° 7.39 (10.81) m/s1.4
17:00
Light rain shower
15 °C22% (0.2 mm/hr)90%52%768 mm HgWNW 302° 7.31 (10.42) m/s0.6
18:00
Patchy rain possible
14 °C20% (0.17 mm/hr)78%56%769 mm HgWNW 302° 6.39 (10.72) m/s0.2
19:00
Patchy rain possible
13 °C21% (0.14 mm/hr)81%61%769 mm HgWNW 300° 5.69 (11) m/s0
20:00
Patchy rain possible
12 °C22% (0.12 mm/hr)73%71%770 mm HgWNW 295° 5.11 (11.14) m/s0
21:00
Patchy rain possible
11 °C24% (0.11 mm/hr)73%74%770 mm HgWNW 290° 4.69 (11) m/s0
22:00
Patchy rain possible
11 °C31% (0.19 mm/hr)73%79%770 mm HgWNW 285° 4.39 (10.81) m/s0
23:00
Light rain shower
11 °C33% (0.28 mm/hr)51%83%770 mm HgWNW 285° 4.39 (10.72) m/s0
Mon, Sep 21, 2026

Frequently asked questions about the 5-day weather in Prague

What will the weather be like in Prague over the next 5 days?

Over the next 5 days in Prague the temperature is expected to range from about 8 to 17 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

On which of the next 5 days will it rain in Prague?

The chance of rain in Prague over the next 5 days reaches 78%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

How accurate is the 5-day weather forecast for Prague?

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Which of the next 5 days in Prague will be the warmest and which the coolest?

Over the next 5 days the temperature in Prague ranges from about 8 to 17 °C. Compare the warmest and coolest day on the temperature chart above.

Will it be windy in Prague over the next 5 days?

Over the next 5 days the wind in Prague picks up to 7 m/s. The windiest days are easy to spot on the wind chart above.

Which day of the week in Prague is best for a walk or a trip?

For a walk or a trip, pick the days with the lowest chance of rain (up to 78%) and light wind — easy to compare on the 5-day charts above.

How can I best use the 5-day forecast for Prague?

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

Will I need an umbrella or sunscreen in Prague this week?

Rain reaches a 78% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 2.5; sunscreen is worth it from about 3 upwards.

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.