Clayton, MO 7-Day Night Weather Forecast
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Clayton, MO Weather Forecast


Clayton, MO Weather Forecast Date: 624 PM CST Wed Nov 04 2026
The area/counties/county of: Madison County Il, including the cities of: Alton, Edwardsville, Belleville, Cahokia, Saint Charles, and Saint Louis.or toggle through each period.
Tonight... Mostly cloudy this evening, then clearing. Cooler with lows in the mid 40s. Southwest winds 5 to 10 mph.
Thursday... Mostly sunny. Highs in the lower 60s. West winds 5 to 10 mph.
Thursday Night... Mostly cloudy. A slight chance of rain in the evening. Lows in the mid 40s. Northwest winds around 5 mph. Chance of rain 20%.
Friday... Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 50s. North winds 5 to 10 mph.
Friday Night... Mostly clear. Cooler with lows in the lower 30s. North winds around 5 mph.
Saturday... Mostly sunny. Highs in the mid 50s.
Saturday Night... Mostly clear. Lows in the lower 30s. Highs in the upper 50s.
Sunday... Mostly clear. Lows in the lower 30s. Highs in the upper 50s.
Sunday Night... Clear. Lows in the mid 30s.
Monday... Sunny. Highs in the mid 60s.
Monday Night... Clear. Lows in the upper 30s.
Tuesday... Mostly clear. Highs in the mid 60s. Lows in the lower 40s.
Tuesday Night... Mostly clear. Highs in the mid 60s. Lows in the lower 40s.
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