5-day weather forecast Prague Sep 20, 2026

22°14° · Overcast

Weather forecast Prague Sunday Sep 20, 2026: overcast, temperature from 14 °C to 22 °C.

Precipitation probability 32%. Wind up to 5.69 m/s (gusts 9.69 m/s). Air humidity 39–77%, atmospheric pressure 768–770 mm Hg, UV index up to 3.4.

Sunrise 06:45
Sunset 19:05
Waxing Gibbous73% illuminated
Moonrise 16:55 · Moonset does not set today
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Table

Forecast from 14 °C to 22 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)151514141414141414151819202121222121201918161615
Precipitation (mm/hr)000000000000000000000.010.190.010.08

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)206698100991001001004736381001001009610010098100100100100100100
Rain chance (%)5101516161716179651110109101010121316322228

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)2.812.692.612.392.192.312.192.192.1933.894.695.315.395.55.695.3954.193.613.613.613.894.31
Wind gust (m/s)5.895.725.114.313.723.924.223.945.615.896.426.9277.317.727.898.117.588.6198.929.698.31
Wind direction (°)WSW 241°WSW 241°WSW 241°SW 236°SW 223°SW 225°SW 228°SW 216°SW 228°WSW 245°WSW 248°W 259°W 262°W 265°W 263°W 272°W 274°W 279°WNW 291°WNW 284°WNW 289°NW 308°WNW 302°NW 317°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)626464646566646767595145424140394345505763727775

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)770770770770770770770770770770770770770769769768768768768768769769770770

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index000000000.20.61.21.93.43.31.81.50.90.30.100000

Air quality & pollen

Air quality is available for the first three days only.

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.