Weather forecast for: Saint Clair MO
Last Update: 9:46 pm CDT Oct 25, 2026
Tonight: Mostly cloudy, with a low around 49. Calm wind.
Monday: Partly sunny, with a high near 76. Calm wind becoming southwest around 5 mph.
Monday Night: Mostly cloudy, with a low around 48. Calm wind.
Tuesday: Partly sunny, with a high near 74. Light south wind.
Tuesday Night: Mostly cloudy, with a low around 50. Calm wind.
Wednesday: Sunny, with a high near 78.
Wednesday Night: Clear, with a low around 53.
Thursday: Sunny, with a high near 82.
Thursday Night: Partly cloudy, with a low around 55.
Friday: Partly sunny, with a high near 79.
Friday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 56.
Saturday: Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Sunday: A 20 percent chance of showers. Partly sunny, with a high near 75.