5-day weather forecast St. Louis Nov 9, 2026

20°7° · Sunny

Weather forecast St. Louis Monday Nov 9, 2026: sunny, temperature from 7 °C to 20 °C.

Precipitation probability 14%. Wind up to 3 m/s (gusts 7.39 m/s). Air humidity 41–91%, atmospheric pressure 764–767 mm Hg, UV index up to 6.

5 days at a glance — tap a day to open it
Sunrise 06:36
Sunset 16:52
New Moon0% illuminated
Moonrise 07:15 · Moonset 16:51
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Forecast from 7 °C to 20 °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)10111081097911121517171920192018141616131414
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 (%)004000000000000000000002
Rain chance (%)117813910141071032211111422622

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)2.192.191.891.811.611.190.891.391.311.311.892.6122.531.812.311.611.692.112.3122.192.69
Wind gust (m/s)4.284.53.533.112.721.531.421.752.143.082.643.694.563.814.53.864.391.612.532.643.693.945.727.39
Wind direction (°)WNW 283°WNW 292°WNW 287°WNW 292°NW 305°NW 316°WNW 293°SW 236°WSW 240°SW 221°SW 224°SW 219°SW 224°SW 228°SW 225°SW 214°SW 219°SSW 206°S 178°SW 227°SW 224°SSW 202°WSW 237°WSW 242°

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 (%)847376898081918174815751534341474245634950705251

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)766766766767766766767767767767766766767764764765764764765764764765764764

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 Index000000034445556550000000

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)10.110.110.210.410.711.613.917.615.115.114.41310.98.67.98.29.314.116.717.217.217.116.615.3
PM10 (µg/m³)10.110.110.210.51112.114.518.315.615.514.813.411.498.18.49.414.216.917.317.317.216.815.4
Ozone (O₃) (µg/m³)15131085200371526354451534428171414151617
NO₂ (µg/m³)25.524.123.423.324.526.426.824.220.116.71514.113.411.910.612.319.930.638.641.441.641.241.340.8
SO₂ (µg/m³)1.71.51.31.31.41.71.91.91.92.43.95.87.48.38.88.98.67.97.16.35.54.743.4
CO (µg/m³)244244243249264285306335364369329265215186171185256356423427397356304243

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.