St. Louis Weather Outlook & Summary
St. Louis is currently 19°C with slight chance drizzle. Today's temperatures are expected between 14°C and 24°C. Dry conditions are expected throughout the day.
Hourly Forecast (24 Hours)
Scroll horizontally →7-Day Extended Forecast
Daily Highs & LowsToday
09-22
Slight Chance Drizzle
14°
24°
5%
10 km/h
Wed
09-23
Partly Sunny
14°
24°
0%
10 km/h
Thu
09-24
Mostly Sunny
15°
25°
1%
10 km/h
Fri
09-25
Mostly Sunny
14°
26°
8%
10 km/h
Sat
09-26
Partly Sunny
16°
25°
16%
10 km/h
Sun
09-27
Slight Chance Rain Showers
16°
27°
16%
10 km/h
Mon
09-28
Slight Chance Rain Showers then Mostly Sunny
29°
29°
15%
10 km/h
Comprehensive Weather Metrics
RealFeel® Temperature
20°
Feels close to actual air temperature
Humidity & Dew Point
90%
Relative atmospheric moisture level
Wind & Gusts
10 km/h
NE (45°)
Atmospheric Pressure
1013 hPa
Low pressure system
UV Index
5 (Moderate)
Minimal UV solar hazard
Cloud Cover
15%
Clear blue skies
Precipitation (Last Hr)
1 mm
Active rainfall recorded
Visibility
> 10 km
Horizontal optical clarity
Air Quality Index
Standard: US EPA AQI30Good
Air quality is considered satisfactory, and air pollution poses little or no risk.
Health Advisory
Enjoy outdoor activities. Air quality is ideal for all individuals.
*General public health guidance based on ambient atmospheric concentration. Not medical advice.
Pollutant Concentrations (µg/m³)
PM2.5 (Fine)
2.2
PM10 (Coarse)
2.2
Ozone (O₃)
51
Nitrogen (NO₂)
8
Sulphur (SO₂)
2
Carbon (CO)
192
Sun & Daylight
Night time (sun below horizon)
Sunrise
6:48 AM
Sunset
6:58 PM
St. Louis Weather Radar & Map
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