Weather World
City of St. Charles, MOSt Charles, MO 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
St Charles Weather Forecast
St Charles, MO Weather Forecast Date: 1149 AM CDT Sat Oct 31 2026
Weather forecast for St Charles, MO
Today Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
This Afternoon... Cloudy with a chance of sprinkles. Highs in the lower 70s. East winds 5 to 10 mph. |
Sun Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Sunday... Cloudy. Patchy fog in the morning. A chance of showers, mainly in the morning. Highs in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 50%. |
| Mon Hi: 70°FHi: 21°C Lo: 61°F Lo: 16°C |
Monday... Cloudy. Highs around 70. Southeast winds 15 to 20 mph. |
Tue Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Tuesday... Showers. A slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 70s. Chance of rain 90%. |
Wed Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Wednesday... Partly sunny. A chance of showers, mainly in the morning. Highs in the upper 60s. Chance of rain 50%. |
Thu Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Thursday... Partly cloudy. A 20% chance of showers. Lows in the upper 40s. Highs in the upper 60s. |
Fri Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Friday... Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. |
St Charles Radar Loop
Use the map search tool if you want to place a location marker on the radar map...