5-day weather forecast St. Louis 02-08-2026

Weather forecast St. Louis Sunday, August 2 02.08.2026: sunny, temperature from 17 °C to 29 °C.

Precipitation probability 25%. Wind up to 4.89 m/s (gusts 5.72 m/s). Air humidity 51–95%, atmospheric pressure 759–761 mm Hg, UV index up to 7.

Sunrise 06:03
Sunset 20:10
Waning Gibbous75% illuminated
Moonrise 22:09 · Moonset 10:06
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Sun, Aug 2, 2026

Forecast from 17 °C to 29 °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)191918181817171819222325262728292928272623222120
Precipitation (mm/hr)000000000000000.020.0100000000

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 (%)273542453826212095111219276774346928236000
Rain chance (%)171925252422171611754449948568101112

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)33.1132.8932.892.812.893.613.6144.314.314.614.894.894.894.613.813.392.812.612.812.39
Wind gust (m/s)5.365.445.315.085.315.225.174.784.754.174.614.944.945.285.645.645.645.565.175.225.475.395.724.97
Wind direction (°)N 350°NNW 348°NNW 348°NNW 348°N 353°N 354°N 355°N 354°N 7°NNE 12°NNE 14°NNE 12°NNE 14°NNE 14°N 10°N 11°NNE 21°NNE 31°NE 45°ENE 61°ENE 64°NE 53°NE 49°NE 53°

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 (%)939495959594949183746761575554535153596575828687

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)759759759760760760760761761761761761761761760760760759759759760760761761

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 Index00000000.35667776676776000
Sun, Aug 2, 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.