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 20:00 · NOAA HRRR model
25 °C
Showers
Feels like 28 °C
Next 12 h
- 2025°95 %
- 20:12Sunset
- 2125°
- 2225°
- 2325°
- 0024°
- 0124°
- 0224°
- 0324°
- 0423°
- 0523°
- 0623°13 %
- 06:16Sunrise
- 0724°
- 0825°
↓ 23°06:00↑ 25°08:00
- Humidity
- 84 %
- Dew point
- 22 °C
- Gusts
- 6.0 km/h
- Clouds
- 97 %
- Pressure
- 1,019 hPa
Grid point 1.0 km away · 3.0 km grid · elevation 65 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 78.0µg/m³
- PM2.5
- 6.1µg/m³
- PM10
- 6.2µg/m³
- Nitrogen dioxide
- 9.0µg/m³
- Sulphur dioxide
- 1.1µg/m³
- Carbon monoxide
- 242.0µg/m³
- Dust (AOD)
- 0.00
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
Showers82 %
33°
25°
Sat
Showers62 %
34°
23°
Sun
Partly cloudy62 %
34°
22°
Mon
Mainly clear18 %
36°
25°
Tue
Thunderstorm68 %
36°
26°
Wed
Thunderstorm68 %
28°
23°
Thu
Mainly clear
29°
22°
Fri
Light drizzle2 mm
30°
25°
Sat
Light showers21 mm
25°
23°
Sun
Light drizzle2 mm
26°
22°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:15
- Daylight
- 13 h 57
- Sunset
- 20:12
Radiation · 12.1 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 29.3 °C — +3.9 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around St. Charles