St. Charles weather — 10-day forecast
Temperature, rain, wind and feels-like in St. Charles, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 18:00 · NOAA HRRR model
30 °C
Clear sky
Next 12 h
- 1830°
- 1929°
- 2027°
- 20:05Sunset
- 2126°
- 2225°
- 2324°
- 0023°
- 0122°
- 0222°
- 0321°
- 0421°
- 0521°
- 05:55Sunrise
- 0621°
↑ 30°18:00↓ 21°06:00
- Humidity
- 53 %
- Dew point
- 19 °C
- Gusts
- 17.1 km/h
- Clouds
- 3 %
- Pressure
- 1,014 hPa
- Storm
- likely
Grid point 1.0 km away · 3.0 km grid · elevation 232 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 68.4µg/m³
- PM2.5
- 6.1µg/m³
- PM10
- 7.0µg/m³
- Nitrogen dioxide
- 4.6µg/m³
- Sulphur dioxide
- 0.8µg/m³
- Carbon monoxide
- 178.0µg/m³
- Dust (AOD)
- 0.01
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Mainly clear14 %
30°
24°
Sat
Mainly clear12 %
30°
21°
Sun
Thunderstorm94 %
31°
18°
Mon
Thunderstorm98 %
27°
23°
Tue
Thunderstorm98 %
27°
22°
Wed
Light drizzle82 %
27°
21°
Thu
Overcast
26°
19°
Fri
Overcast
26°
20°
Sat
Thunderstorm2 mm
27°
21°
Sun
Mainly clear
28°
19°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 05:54
- Daylight
- 14 h 11
- Sunset
- 20:05
Radiation · 11.5 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in St. Charles the mean temperature will be 27.8 °C — +5.7 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around St. Charles