10-day forecast for St. Clair, MO: 29° to 69°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Friday, November 20
43°
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1448° / 30°0
Morning35°feels 35°
Afternoon48°feels 48°
Evening36°feels 33°
Overnight31°feels 26°
48 °
St. Clair, Saturday, 14 November
Clear. High 48°, low 30°.
Pressure30.33 inHg
Wind1.8 mph N
Humidity58%
Visibility6.2 mi
Dew point26°
Sun, 1550° / 29°0
Morning34°feels 34°
Afternoon50°feels 47°
Evening38°feels 35°
Overnight31°feels 31°
50 °
St. Clair, Sunday, 15 November
Overcast. High 50°, low 29°.
Pressure30.45 inHg
Wind2.3 mph E
Humidity51%
Visibility6.2 mi
Dew point29°
Mon, 1654° / 30°0
Morning35°feels 32°
Afternoon55°feels 52°
Evening41°feels 38°
Overnight33°feels 30°
54 °
St. Clair, Monday, 16 November
Clear. High 54°, low 30°.
Pressure30.53 inHg
Wind1 mph E
Humidity44%
Visibility6.2 mi
Dew point31°
Tue, 1758° / 33°0
Morning40°feels 38°
Afternoon54°feels 51°
Evening46°feels 42°
Overnight36°feels 32°
58 °
St. Clair, Tuesday, 17 November
Partly cloudy. High 58°, low 33°.
Pressure30.47 inHg
Wind7.5 mph SE
Humidity47%
Visibility—
Dew point33°
Wed, 1864° / 39°0
Morning46°feels 42°
Afternoon60°feels 58°
Evening53°feels 51°
Overnight49°feels 47°
64 °
St. Clair, Wednesday, 18 November
Overcast. High 64°, low 39°.
Pressure30.30 inHg
Wind10.2 mph S
Humidity41%
Visibility—
Dew point35°
Thu, 1959° / 51°0.06
Morning55°feels 53°
Afternoon55°feels 54°
Evening53°feels 53°
Overnight54°feels 53°
59 °
St. Clair, Thursday, 19 November
Light rain. High 59°, low 51°.
Pressure30.27 inHg
Wind9.4 mph SW
Humidity82%
Visibility—
Dew point50°
Fri, 2069° / 55°0
Morning60°feels 59°
Afternoon66°feels 65°
Evening58°feels 57°
Overnight56°feels 55°
69 °
St. Clair, Friday, 20 November
Overcast. High 69°, low 55°.
Pressure30.30 inHg
Wind10.1 mph SE
Humidity56%
Visibility—
Dew point50°
Sat, 2169° / 56°0.15
Morning60°feels 58°
Afternoon69°feels 67°
Evening64°feels 64°
Overnight60°feels 58°
69 °
St. Clair, Saturday, 21 November
Rain. High 69°, low 56°.
Pressure29.83 inHg
Wind20.4 mph S
Humidity34%
Visibility—
Dew point38°
Sun, 2254° / 40°0
Morning46°feels 42°
Afternoon51°feels 48°
Evening44°feels 41°
Overnight41°feels 37°
54 °
St. Clair, Sunday, 22 November
Overcast. High 54°, low 40°.
Pressure30.12 inHg
Wind11.2 mph W
Humidity45%
Visibility—
Dew point30°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in St. Clair, MO around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.