Friday
Sunny
High:
36°F
Sunny, with a high near 36.
Saint Charles, MO Weather - Extended Forecast
Friday Night
Mostly clear
Overnight low:
27°F
Mostly clear, with a low around 27.
Saturday
Sunny
High:
50°F
Sunny, with a high near 50.
Saturday Night
Mostly clear
Overnight low:
38°F
Mostly clear, with a low around 38.
Sunday
Mostly sunny
High:
57°F
Sunday Night
Chance of rain
Overnight low:
47°F
Monday
Chance of rain
High:
57°F
Monday Night
Chance of rain
Overnight low:
36°F
Tuesday
Partly sunny
High:
43°F