5-day weather forecast St. Louis 22-08-2026
Weather forecast St. Louis Saturday, August 22 22.08.2026: sunny, temperature from 21 °C to 32 °C.
Precipitation probability 43%. Wind up to 7.11 m/s (gusts 9.11 m/s). Air humidity 37–84%, atmospheric pressure 761–763 mm Hg, UV index up to 7.9.
5 days at a glance — tap a day to open it
Sunrise 06:21
Sunset 19:46
Sunset 19:46
Waxing Gibbous78% illuminated
Moonrise 16:56 · Moonset 01:01
Moonrise 16:56 · Moonset 01:01
Chart
TableSat, Aug 22, 2026
Forecast from 21 °C to 32 °C and precipitation
Cloud cover and precipitation probability
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
Sat, Aug 22, 2026
St. Louis 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.