10-day forecast for St. Charles, IL: 25° to 62°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
55°
Best day: Wednesday, November 18
38°
Worst day: Monday, November 23
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1550° / 30°0
Morning35°feels 31°
Afternoon50°feels 50°
Evening36°feels 36°
Overnight32°feels 27°
50 °
St. Charles, Sunday, 15 November
Clear. High 50°, low 30°.
Pressure30.45 inHg
Wind2.7 mph NW
Humidity58%
Visibility6.2 mi
Dew point29°
Mon, 1649° / 30°0
Morning34°feels 29°
Afternoon49°feels 47°
Evening37°feels 33°
Overnight32°feels 32°
49 °
St. Charles, Monday, 16 November
Clear. High 49°, low 30°.
Pressure30.53 inHg
Wind6.9 mph SW
Humidity54%
Visibility6.2 mi
Dew point32°
Tue, 1751° / 32°0
Morning35°feels 29°
Afternoon52°feels 50°
Evening41°feels 36°
Overnight34°feels 29°
51 °
St. Charles, Tuesday, 17 November
Partly cloudy. High 51°, low 32°.
Pressure30.50 inHg
Wind8.6 mph SW
Humidity60%
Visibility6.2 mi
Dew point37°
Wed, 1855° / 37°0
Morning40°feels 34°
Afternoon52°feels 49°
Evening49°feels 44°
Overnight38°feels 32°
55 °
St. Charles, Wednesday, 18 November
Overcast. High 55°, low 37°.
Pressure30.33 inHg
Wind12.9 mph S
Humidity62%
Visibility—
Dew point38°
Thu, 1956° / 46°0.06
Morning49°feels 45°
Afternoon56°feels 55°
Evening54°feels 53°
Overnight51°feels 49°
56 °
St. Charles, Thursday, 19 November
Light rain. High 56°, low 46°.
Pressure30.18 inHg
Wind13.2 mph SW
Humidity63%
Visibility—
Dew point43°
Fri, 2054° / 42°0
Morning45°feels 43°
Afternoon53°feels 51°
Evening53°feels 51°
Overnight51°feels 50°
54 °
St. Charles, Friday, 20 November
Partly cloudy. High 54°, low 42°.
Pressure30.24 inHg
Wind11 mph S
Humidity50%
Visibility—
Dew point34°
Sat, 2162° / 53°0.06
Morning55°feels 54°
Afternoon62°feels 60°
Evening58°feels 56°
Overnight56°feels 55°
62 °
St. Charles, Saturday, 21 November
Light rain. High 62°, low 53°.
Pressure29.88 inHg
Wind26.4 mph S
Humidity61%
Visibility—
Dew point47°
Sun, 2247° / 33°0.03
Morning41°feels 31°
Afternoon39°feels 29°
Evening35°feels 25°
Overnight34°feels 25°
47 °
St. Charles, Sunday, 22 November
Light rain. High 47°, low 33°.
Pressure30.06 inHg
Wind26.4 mph W
Humidity67%
Visibility—
Dew point30°
Mon, 2338° / 25°0
Morning29°feels 21°
Afternoon36°feels 30°
Evening29°feels 24°
Overnight28°feels 22°
38 °
St. Charles, Monday, 23 November
Mostly clear. High 38°, low 25°.
Pressure30.33 inHg
Wind10.4 mph NW
Humidity41%
Visibility—
Dew point14°
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, IL 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.