5-day weather forecast Prague Sep 20, 2026
14°Weather forecast Prague today Sep 20, 2026: overcast, temperature from 13 °C to 21 °C.
Precipitation probability 73%. Wind up to 8 m/s (gusts 15.72 m/s). Air humidity 40–87%, atmospheric pressure 765–768 mm Hg, UV index up to 3.6.
5 days at a glance — tap a day to open it
Sunrise 06:45
Sunset 19:05
Sunset 19:05
Waxing Gibbous73% illuminated
Moonrise 16:55 · Moonset does not set today
Moonrise 16:55 · Moonset does not set today
Chart
Table
Sun, Sep 20, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 17 °C | 7% | 32% | 66% | 767 mm Hg | SW 218° 2.69 (5.31) m/s | 0 |
| 01:00 |  Cloudy | 16 °C | 14% | 83% | 68% | 767 mm Hg | SW 216° 2.69 (5.42) m/s | 0 |
| 02:00 |  Overcast | 16 °C | 18% | 100% | 69% | 767 mm Hg | SW 215° 3 (6.42) m/s | 0 |
| 03:00 | Partly cloudy | 15 °C | 11% | 62% | 69% | 767 mm Hg | SW 214° 3.11 (7.22) m/s | 0 |
| 04:00 | Overcast | 15 °C | 18% | 100% | 70% | 767 mm Hg | SW 216° 3.11 (7.42) m/s | 0 |
| 05:00 | Overcast | 15 °C | 18% | 98% | 69% | 767 mm Hg | SW 214° 3.31 (8.61) m/s | 0 |
| 06:00 | Partly cloudy | 15 °C | 11% | 58% | 69% | 767 mm Hg | SW 220° 3.31 (9.31) m/s | 0 |
| 07:00 |  Overcast | 15 °C | 17% | 96% | 69% | 767 mm Hg | SW 217° 3.39 (9.11) m/s | 0 |
| 08:00 | Overcast | 15 °C | 16% | 100% | 64% | 767 mm Hg | SW 225° 3.5 (12.53) m/s | 0.2 |
| 09:00 | Overcast | 16 °C | 13% | 100% | 56% | 767 mm Hg | SW 234° 4.5 (12.42) m/s | 0.6 |
| 10:00 |  Cloudy | 17 °C | 8% | 77% | 50% | 767 mm Hg | WSW 242° 5.61 (12.03) m/s | 1.3 |
| 11:00 |  Sunny | 19 °C | 2% | 22% | 44% | 767 mm Hg | WSW 247° 6.31 (10.31) m/s | 2.6 |
| 12:00 | Overcast | 21 °C | 8% | 89% | 41% | 767 mm Hg | WSW 252° 6.5 (9.03) m/s | 2.9 |
| 13:00 | Overcast | 21 °C | 10% | 100% | 40% | 767 mm Hg | WSW 258° 6.89 (9.83) m/s | 3.6 |
| 14:00 | Overcast | 21 °C | 10% | 100% | 41% | 766 mm Hg | WSW 257° 6.31 (8.64) m/s | 2.5 |
| 15:00 | Overcast | 20 °C | 11% | 100% | 46% | 765 mm Hg | WSW 251° 4.61 (8.72) m/s | 1.2 |
| 16:00 | Overcast | 21 °C | 10% | 100% | 43% | 765 mm Hg | WSW 257° 6.31 (10.42) m/s | 1.2 |
| 17:00 |  Patchy rain possible | 20 °C | 13% (0.02 mm/hr) | 100% | 50% | 765 mm Hg | W 268° 4.89 (10.53) m/s | 0.4 |
| 18:00 | Patchy rain possible | 19 °C | 15% (0.03 mm/hr) | 100% | 56% | 765 mm Hg | WSW 253° 4.19 (10.42) m/s | 0.1 |
| 19:00 |  Light drizzle | 17 °C | 54% (0.6 mm/hr) | 100% | 68% | 765 mm Hg | WSW 258° 5.81 (12.72) m/s | 0 |
| 20:00 |  Light rain | 14 °C | 73% (1.42 mm/hr) | 100% | 85% | 765 mm Hg | WSW 250° 7.31 (15.72) m/s | 0 |
| 21:00 | Light rain | 14 °C | 70% (0.89 mm/hr) | 100% | 87% | 766 mm Hg | W 272° 6.81 (13.42) m/s | 0 |
| 22:00 | Patchy rain possible | 14 °C | 16% (0.03 mm/hr) | 58% | 76% | 767 mm Hg | NW 310° 8 (13.72) m/s | 0 |
| 23:00 |  Moderate rain at times | 13 °C | 47% (0.53 mm/hr) | 76% | 77% | 768 mm Hg | NW 312° 6 (12.19) m/s | 0 |
Sun, Sep 20, 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 21 °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 73%. 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 21 °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 8 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 73%) 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 73% 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 3.6; 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.