10-day forecast for St. Charles, MO: 27° to 68°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Friday, November 20
49° · 0.27 in
Worst day: Tuesday, November 24
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1656° / 28°0
Morning36°feels 36°
Afternoon56°feels 54°
Evening37°feels 33°
Overnight30°feels 30°
56 °
St. Charles, Monday, 16 November
Clear. High 56°, low 28°.
Pressure30.53 inHg
Wind2.7 mph S
Humidity53%
Visibility6.2 mi
Dew point35°
Tue, 1756° / 29°0
Morning39°feels 35°
Afternoon56°feels 54°
Evening47°feels 43°
Overnight32°feels 27°
56 °
St. Charles, Tuesday, 17 November
Clear. High 56°, low 29°.
Pressure30.50 inHg
Wind5.6 mph S
Humidity57%
Visibility6.2 mi
Dew point39°
Wed, 1860° / 40°0
Morning43°feels 38°
Afternoon60°feels 58°
Evening50°feels 48°
Overnight42°feels 39°
60 °
St. Charles, Wednesday, 18 November
Overcast. High 60°, low 40°.
Pressure30.36 inHg
Wind8 mph S
Humidity53%
Visibility6.2 mi
Dew point41°
Thu, 1966° / 46°0
Morning52°feels 50°
Afternoon66°feels 65°
Evening57°feels 56°
Overnight46°feels 43°
66 °
St. Charles, Thursday, 19 November
Clear. High 66°, low 46°.
Pressure30.30 inHg
Wind8.2 mph SW
Humidity60%
Visibility6.2 mi
Dew point50°
Fri, 2068° / 52°0
Morning57°feels 56°
Afternoon65°feels 64°
Evening61°feels 60°
Overnight56°feels 55°
68 °
St. Charles, Friday, 20 November
Clear. High 68°, low 52°.
Pressure30.21 inHg
Wind9.8 mph S
Humidity59%
Visibility—
Dew point49°
Sat, 2167° / 52°0
Morning57°feels 55°
Afternoon66°feels 64°
Evening58°feels 57°
Overnight55°feels 54°
67 °
St. Charles, Saturday, 21 November
Clear. High 67°, low 52°.
Pressure29.97 inHg
Wind12.1 mph S
Humidity37%
Visibility—
Dew point38°
Sun, 2260° / 44°0
Morning48°feels 45°
Afternoon56°feels 54°
Evening51°feels 48°
Overnight47°feels 43°
60 °
St. Charles, Sunday, 22 November
Partly cloudy. High 60°, low 44°.
Pressure30.15 inHg
Wind7.5 mph N
Humidity37%
Visibility—
Dew point30°
Mon, 2355° / 40°0
Morning44°feels 40°
Afternoon52°feels 49°
Evening49°feels 45°
Overnight45°feels 40°
55 °
St. Charles, Monday, 23 November
Overcast. High 55°, low 40°.
Pressure30.24 inHg
Wind9.3 mph E
Humidity45%
Visibility—
Dew point30°
Tue, 2449° / 41°0.27
Morning43°feels 39°
Afternoon48°feels 45°
Evening46°feels 42°
Overnight46°feels 42°
49 °
St. Charles, Tuesday, 24 November
Rain. High 49°, low 41°.
Pressure30.15 inHg
Wind9.5 mph E
Humidity55%
Visibility—
Dew point32°
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. Charles, 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.