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St. Clair MO Weather - Cloudy
Cloudy
54°F
Updated 8:45 am
Feels Like 50°F
Humidity 58%
Wind SSE 4 mph
Barometer  30.33 in
Visibility 6 mi
St. Clair MO Weather - Cloudy
Cloudy
12°C
Updated 8:45 am
Feels Like 10°C
Humidity 58%
Wind SSE 7 km/h
Barometer  1027 mb
Visibility 10 km
St. Clair, MO Weather and Current Conditionsst. clair mo weather forecast

St. Clair, MO Weather Forecast

St. Clair Missouri WeatherSt. Clair, Missouri Weather Weather Forecast
14 day API forecast for St. Clair, Missouri. Note. The 7-day weather forecast for St. Clair, MO is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
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
St. Clair Weather - 2026-10-24 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
St. Clair Weather - 2026-10-24 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
St. Clair Weather - 2026-10-24 - Evening - Cloudy
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
St. Clair Weather - 2026-10-25 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
St. Clair Weather - 2026-10-25 - Afternoon - Overcast
78°F 25°C
Overcast
Early-Evening
St. Clair Weather - 2026-10-25 - Evening - Overcast
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
St. Clair Weather - 2026-10-26 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
St. Clair Weather - 2026-10-26 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
St. Clair Weather - 2026-10-26 - Evening - Overcast
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
St. Clair Weather - 2026-10-27 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
St. Clair Weather - 2026-10-27 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
St. Clair Weather - 2026-10-27 - Evening - Overcast
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
St. Clair Weather - 2026-10-28 - Morning - Partly Cloudy
61°F 16°C
Partly Cloudy
Mid-Afternoon
St. Clair Weather - 2026-10-28 - Afternoon - Partly Cloudy
79°F 26°C
Partly Cloudy
Early-Evening
St. Clair Weather - 2026-10-28 - Evening - Sunny
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
St. Clair Weather - 2026-10-29 - Morning - Partly Cloudy
61°F 16°C
Partly Cloudy
Mid-Afternoon
St. Clair Weather - 2026-10-29 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
St. Clair Weather - 2026-10-29 - Evening - Sunny
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
St. Clair Weather - 2026-10-30 - Morning - Cloudy
65°F 19°C
Cloudy
Mid-Afternoon
St. Clair Weather - 2026-10-30 - Afternoon - Overcast
76°F 25°C
Overcast
Early-Evening
St. Clair Weather - 2026-10-30 - Evening - Overcast
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
St. Clair Weather - 2026-10-31 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
St. Clair Weather - 2026-10-31 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
St. Clair Weather - 2026-10-31 - Evening - Overcast
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
St. Clair Weather - 2026-11-01 - Morning - Cloudy
69°F 20°C
Cloudy
Mid-Afternoon
St. Clair Weather - 2026-11-01 - Afternoon - Scattered Showers
72°F 22°C
Scattered Showers
Early-Evening
St. Clair Weather - 2026-11-01 - Evening - Scattered Showers
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
St. Clair Weather - 2026-11-02 - Morning - Partly Cloudy
59°F 15°C
Partly Cloudy
Mid-Afternoon
St. Clair Weather - 2026-11-02 - Afternoon - Scattered Showers
63°F 17°C
Scattered Showers
Early-Evening
St. Clair Weather - 2026-11-02 - Evening - Scattered Showers
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
St. Clair Weather - 2026-11-03 - Morning - Partly Cloudy
50°F 10°C
Partly Cloudy
Mid-Afternoon
St. Clair Weather - 2026-11-03 - Afternoon - Partly Cloudy
56°F 13°C
Partly Cloudy
Early-Evening
St. Clair Weather - 2026-11-03 - Evening - Partly Cloudy
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
St. Clair Weather - 2026-11-04 - Morning - Drizzle
49°F 9°C
Drizzle
Mid-Afternoon
St. Clair Weather - 2026-11-04 - Afternoon - Scattered Showers
52°F 11°C
Scattered Showers
Early-Evening
St. Clair Weather - 2026-11-04 - Evening - Drizzle
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
St. Clair Weather - 2026-11-05 - Morning - Partly Cloudy
49°F 9°C
Partly Cloudy
Mid-Afternoon
St. Clair Weather - 2026-11-05 - Afternoon - Overcast
53°F 12°C
Overcast
Early-Evening
St. Clair Weather - 2026-11-05 - Evening - Cloudy
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
St. Clair Weather - 2026-11-06 - Morning - Partly Cloudy
44°F 6°C
Partly Cloudy
Mid-Afternoon
St. Clair Weather - 2026-11-06 - Afternoon - Partly Cloudy
47°F 8°C
Partly Cloudy
Early-Evening
St. Clair Weather - 2026-11-06 - Evening - Partly Cloudy
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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Weather by the Numbers

Sat, 24th
St. Clair MO Weather - Saturday, Oct 24, 2026 - Overcast
Hi: 76°F 24°C
Lo: 51°F 11°C
Sunrise 07:22 AM
Sunset 06:14 PM
Wind SE 5 mph9 km/h
Dew Point 42°F6°C
uv Index 4
Barometric Pressure 30.3 in1026 mb
POP 10% *
Humidity 33%
Sun, 25th
St. Clair MO Weather - Sunday, Oct 25, 2026 - Overcast
Hi: 78°F 25°C
Lo: 52°F 11°C
Sunrise 07:24 AM
Sunset 06:12 PM
Wind S 4 mph7 km/h
Dew Point 43°F6°C
uv Index 4
Barometric Pressure 30.39 in1029 mb
POP 10% *
Humidity 33%
Mon, 26th
St. Clair MO Weather - Monday, Oct 26, 2026 - Overcast
Hi: 77°F 25°C
Lo: 55°F 13°C
Sunrise 07:25 AM
Sunset 06:11 PM
Wind SSW 6 mph9 km/h
Dew Point 45°F7°C
uv Index 3
Barometric Pressure 30.3 in1026 mb
POP 8% *
Humidity 36%
Tue, 27th
St. Clair MO Weather - Tuesday, Oct 27, 2026 - Overcast
Hi: 74°F 23°C
Lo: 53°F 12°C
Sunrise 07:26 AM
Sunset 06:10 PM
Wind S 6 mph10 km/h
Dew Point 44°F7°C
uv Index 2
Barometric Pressure 30.24 in1024 mb
POP 10% *
Humidity 41%
Wed, 28th
St. Clair MO Weather - Wednesday, Oct 28, 2026 - Overcast
Hi: 79°F 26°C
Lo: 53°F 12°C
Sunrise 07:27 AM
Sunset 06:09 PM
Wind SSE 6 mph9 km/h
Dew Point 46°F8°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 11% *
Humidity 48%
Thu, 29th
St. Clair MO Weather - Thursday, Oct 29, 2026 - Sunny
Hi: 75°F 24°C
Lo: 54°F 12°C
Sunrise 07:28 AM
Sunset 06:07 PM
Wind S 4 mph6 km/h
Dew Point 51°F11°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 2% *
Humidity 49%
Fri, 30th
St. Clair MO Weather - Friday, Oct 30, 2026 - Cloudy
Hi: 79°F 26°C
Lo: 58°F 15°C
Sunrise 07:29 AM
Sunset 06:06 PM
Wind SSW 7 mph11 km/h
Dew Point 51°F10°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 9% *
Humidity 43%
Sat, 31st
St. Clair MO Weather - Saturday, Oct 31, 2026 - Overcast
Hi: 74°F 23°C
Lo: 60°F 16°C
Sunrise 07:30 AM
Sunset 06:05 PM
Wind S 8 mph13 km/h
Dew Point 50°F10°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 11% *
Humidity 47%
Sun, 1st
St. Clair MO Weather - Sunday, Nov 1, 2026 - Overcast
Hi: 76°F 24°C
Lo: 62°F 17°C
Sunrise 07:31 AM
Sunset 06:04 PM
Wind SSW 11 mph18 km/h
Dew Point 60°F16°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 14% *
Humidity 58%
Mon, 2nd
St. Clair MO Weather - Monday, Nov 2, 2026 - Partly Cloudy
Hi: 64°F 18°C
Lo: 53°F 12°C
Sunrise 06:32 AM
Sunset 05:03 PM
Wind W 6 mph10 km/h
Dew Point 44°F6°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 4% *
Humidity 48%
Tue, 3rd
St. Clair MO Weather - Tuesday, Nov 3, 2026 - Partly Cloudy
Hi: 56°F 14°C
Lo: 45°F 7°C
Sunrise 06:33 AM
Sunset 05:02 PM
Wind WNW 11 mph18 km/h
Dew Point 32°F-0°C
uv Index 4
Barometric Pressure 29.85 in1011 mb
POP 2% *
Humidity 39%
Wed, 4th
St. Clair MO Weather - Wednesday, Nov 4, 2026 - Patchy Rain Nearby
Hi: 54°F 12°C
Lo: 44°F 7°C
Sunrise 06:34 AM
Sunset 05:01 PM
Wind N 5 mph8 km/h
Dew Point 43°F6°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 21% *
Humidity 68%
Thu, 5th
St. Clair MO Weather - Thursday, Nov 5, 2026 - Partly Cloudy
Hi: 53°F 12°C
Lo: 45°F 7°C
Sunrise 06:35 AM
Sunset 05:00 PM
Wind NNW 8 mph13 km/h
Dew Point 38°F3°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 6% *
Humidity 55%
Fri, 6th
St. Clair MO Weather - Friday, Nov 6, 2026 - Partly Cloudy
Hi: 48°F 9°C
Lo: 33°F 0°C
Sunrise 06:36 AM
Sunset 04:59 PM
Wind NNW 3 mph4 km/h
Dew Point 26°F-3°C
uv Index 3
Barometric Pressure 30.18 in1022 mb
POP 4% *
Humidity 43%
* POP = Probability of Precipitation. Data for 12:00 PM.