5-day weather forecast St. Louis 29-07-2026

Weather forecast St. Louis today 29.07.2026: sunny, temperature from 20 °C to 35 °C.

Precipitation probability 14%. Wind up to 4.19 m/s (gusts 6.14 m/s). Air humidity 34–91%, atmospheric pressure 749–762 mm Hg, UV index up to 9.

Sunrise 05:59
Sunset 20:14
Full Moon99% illuminated
Moonrise 20:41 · Moonset 06:06
Chart
Table
Wed, Jul 29, 2026

Forecast from 20 °C to 35 °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)252424232221202021232530313334353529292724232221
Precipitation (mm/hr)000000000000000000000000

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 (%)15113110000000000002000000
Rain chance (%)1414121411788532211111124681011

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)3.613.392.892.692.52.112.1122.693.112.813.193.313.814.1144.194.1143.8132.312.312.31
Wind gust (m/s)6.145.784.944.143.863.534.143.613.833.783.223.673.814.364.724.614.834.815.085.755.784.834.834.83
Wind direction (°)ENE 57°NE 50°NE 56°ENE 70°ENE 67°ENE 65°ENE 57°NE 56°NE 53°ENE 60°ENE 66°ENE 65°ENE 69°ENE 66°ENE 65°ENE 63°ENE 63°ENE 61°ENE 58°ENE 58°ENE 61°ENE 68°ENE 77°E 82°

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 (%)899088918575767888615450464037353448546171788284

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)758758759759760760760761749761761761761761761761761761761761761761761762

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 Index00000000.312.44.46.68.398.56.84.62.51.10.30000

Air quality & pollen

Air quality
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
PM2.5 (µg/m³)1312.612.111.510.810.29.58.77.86.35.14.84.95.46.16.77.376.35.44.94.84.44.2
PM10 (µg/m³)13.613.212.711.911.210.59.88.986.55.355.15.76.57.17.77.56.65.554.84.44.2
Ozone (O₃) (µg/m³)5251505049464243516477911051151201201181131049481665448
NO₂ (µg/m³)13.91312.612.312.112.312.612.210.37.65.4432.31.91.82.23.24.66.71013.816.717.9
SO₂ (µg/m³)1.51.41.31.21.21.31.41.61.92.22.52.833.23.23.23.12.92.72.42.11.81.61.5
CO (µg/m³)181177172165159154150148150153154150143138137138140143147154168186196193
Wed, Jul 29, 2026

Frequently asked questions about the 5-day weather in St. Louis

Over the next 5 days in St. Louis the temperature is expected to range from about 17 to 35 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

The chance of rain in St. Louis over the next 5 days reaches 82%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

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.

Over the next 5 days the temperature in St. Louis ranges from about 17 to 35 °C. Compare the warmest and coolest day on the temperature chart above.

Over the next 5 days the wind in St. Louis picks up to 8 m/s. The windiest days are easy to spot on the wind chart above.

For a walk or a trip, pick the days with the lowest chance of rain (up to 82%) and light wind — easy to compare on the 5-day charts above.

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.

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.