St. Clair, MO 14 Day Weather - 63077 WeatherWorld.com
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St. Clair, MO Weather Forecast


St. Clair, MO Weather Forecast Dated: 845 AM Sat Oct 24 2026
Expect a cool pattern with more clouds than sun and mostly dry weather over the coming period. moderate humidity and a stable pattern will dominate.
Saturday, October 24, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
76°F 24°C
Overcast
Early-Evening
63°F 17°C
Cloudy
Pleasant near 76°F 24°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Sunday, October 25, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
64°F 18°C
Overcast
Comfortable with temperatures reaching 78°F 25°C, overcast throughout the day, with steady humidity and steady pressure.
Monday, October 26, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
64°F 18°C
Overcast
Enjoyable around 77°F 25°C, overcast throughout the day, with steady humidity and barometric pressure falling.
Tuesday, October 27, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
63°F 17°C
Overcast
Mild temperatures up to 74°F 23°C, overcast throughout the day, with steady humidity and steady pressure.
Wednesday, October 28, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
Mid-Afternoon
79°F 26°C
Partly Cloudy
Early-Evening
66°F 19°C
Sunny
Mild with a high of 79°F 26°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.
Thursday, October 29, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
67°F 20°C
Sunny
Pleasant near 74°F 23°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Friday, October 30, 2026
Mid-Morning
65°F 19°C
Cloudy
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
68°F 20°C
Overcast
Comfortable with temperatures reaching 76°F 25°C, overcast throughout the day, with lower humidity and steady pressure.
Saturday, October 31, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
67°F 20°C
Overcast
Enjoyable around 73°F 23°C, overcast throughout the day, with steady humidity and steady pressure. Winds out of the S at 8 mph 13 km/h. Gusts up to 24 mph 39 km/h.
Sunday, November 1, 2026
Mid-Morning
69°F 20°C
Cloudy
Mid-Afternoon
72°F 22°C
Scattered Showers
Early-Evening
66°F 19°C
Scattered Showers
Mild temperatures up to 72°F 22°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds switching from the SSW to the SW at 9 mph 14 km/h. Gusts up to 25 mph 40 km/h.
Monday, November 2, 2026
Mid-Morning
59°F 15°C
Partly Cloudy
Mid-Afternoon
63°F 17°C
Scattered Showers
Early-Evening
58°F 15°C
Scattered Showers
Mildly cool near 63°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Tuesday, November 3, 2026
Mid-Morning
50°F 10°C
Partly Cloudy
Mid-Afternoon
56°F 13°C
Partly Cloudy
Early-Evening
51°F 11°C
Partly Cloudy
Chilly near 56°F 13°C, partly cloudy through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds moving from the WNW to the NW at 7 mph 12 km/h. Gusts up to 20 mph 32 km/h.
Wednesday, November 4, 2026
Mid-Morning
49°F 9°C
Drizzle
Mid-Afternoon
52°F 11°C
Scattered Showers
Early-Evening
51°F 11°C
Drizzle
Crisp with a high near 52°F 11°C, locally heavy downpours at times, with steady humidity and steady pressure.
Thursday, November 5, 2026
Mid-Morning
49°F 9°C
Partly Cloudy
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
48°F 9°C
Cloudy
Brisk around 53°F 12°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds out of the NNW at 8 mph 13 km/h.
Friday, November 6, 2026
Mid-Morning
44°F 6°C
Partly Cloudy
Mid-Afternoon
47°F 8°C
Partly Cloudy
Early-Evening
38°F 3°C
Partly Cloudy
Cool and brisk at 47°F 8°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and barometric pressure rising.
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