10-day forecast for St. Charles, MO: 34° to 71°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Saturday, November 21
45°
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1448° / 34°0
Morning38°feels 36°
Afternoon47°feels 47°
Evening40°feels 40°
Overnight36°feels 33°
48 °
St. Charles, Saturday, 14 November
Clear. High 48°, low 34°.
Pressure30.33 inHg
Wind1.9 mph N
Humidity56%
Visibility6.2 mi
Dew point26°
Sun, 1551° / 34°0
Morning38°feels 38°
Afternoon51°feels 48°
Evening41°feels 41°
Overnight36°feels 36°
51 °
St. Charles, Sunday, 15 November
Overcast. High 51°, low 34°.
Pressure30.47 inHg
Wind1.5 mph E
Humidity51%
Visibility6.2 mi
Dew point30°
Mon, 1653° / 35°0
Morning38°feels 38°
Afternoon53°feels 50°
Evening43°feels 40°
Overnight37°feels 37°
53 °
St. Charles, Monday, 16 November
Clear. High 53°, low 35°.
Pressure30.53 inHg
Wind1.8 mph S
Humidity50%
Visibility6.2 mi
Dew point33°
Tue, 1754° / 36°0
Morning41°feels 38°
Afternoon52°feels 49°
Evening45°feels 43°
Overnight38°feels 35°
54 °
St. Charles, Tuesday, 17 November
Clear. High 54°, low 36°.
Pressure30.47 inHg
Wind6.3 mph SE
Humidity56%
Visibility—
Dew point35°
Wed, 1861° / 39°0
Morning44°feels 41°
Afternoon57°feels 55°
Evening55°feels 53°
Overnight51°feels 49°
61 °
St. Charles, Wednesday, 18 November
Overcast. High 61°, low 39°.
Pressure30.33 inHg
Wind9.6 mph S
Humidity55%
Visibility—
Dew point39°
Thu, 1960° / 53°0
Morning56°feels 54°
Afternoon59°feels 57°
Evening58°feels 56°
Overnight57°feels 55°
60 °
St. Charles, Thursday, 19 November
Overcast. High 60°, low 53°.
Pressure30.30 inHg
Wind9.4 mph S
Humidity58%
Visibility—
Dew point44°
Fri, 2065° / 56°0.01
Morning58°feels 57°
Afternoon63°feels 61°
Evening60°feels 58°
Overnight58°feels 56°
65 °
St. Charles, Friday, 20 November
Light rain. High 65°, low 56°.
Pressure30.36 inHg
Wind5.4 mph SE
Humidity52%
Visibility—
Dew point45°
Sat, 2171° / 54°0
Morning58°feels 56°
Afternoon67°feels 66°
Evening63°feels 61°
Overnight59°feels 58°
71 °
St. Charles, Saturday, 21 November
Clear. High 71°, low 54°.
Pressure30.21 inHg
Wind8.7 mph SW
Humidity42%
Visibility—
Dew point42°
Sun, 2269° / 58°0.01
Morning61°feels 59°
Afternoon68°feels 66°
Evening64°feels 62°
Overnight61°feels 59°
69 °
St. Charles, Sunday, 22 November
Light rain. High 69°, low 58°.
Pressure29.97 inHg
Wind13.8 mph S
Humidity36%
Visibility—
Dew point39°
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.