10-day forecast for St. Charles, IL: 28° to 54°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
49°
Best day: Wednesday, November 18
54° · 0.21 in
Worst day: Friday, November 20
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1248° / 35°0
Morning40°feels 32°
Afternoon47°feels 41°
Evening37°feels 29°
Overnight42°feels 36°
48 °
St. Charles, Thursday, 12 November
Overcast. High 48°, low 35°.
Pressure29.94 inHg
Wind17.1 mph N
Humidity64%
Visibility6.2 mi
Dew point29°
Fri, 1342° / 32°0
Morning34°feels 25°
Afternoon41°feels 34°
Evening34°feels 27°
Overnight35°feels 26°
42 °
St. Charles, Friday, 13 November
Light rain. High 42°, low 32°.
Pressure30.06 inHg
Wind13.1 mph N
Humidity66%
Visibility6.2 mi
Dew point28°
Sat, 1442° / 28°0
Morning32°feels 23°
Afternoon42°feels 38°
Evening35°feels 31°
Overnight30°feels 22°
42 °
St. Charles, Saturday, 14 November
Clear. High 42°, low 28°.
Pressure30.24 inHg
Wind8.9 mph NW
Humidity67%
Visibility6.2 mi
Dew point27°
Sun, 1546° / 31°0
Morning37°feels 34°
Afternoon46°feels 46°
Evening37°feels 34°
Overnight31°feels 28°
46 °
St. Charles, Sunday, 15 November
Partly cloudy. High 46°, low 31°.
Pressure30.45 inHg
Wind0.9 mph W
Humidity60%
Visibility6.2 mi
Dew point32°
Mon, 1648° / 30°0
Morning35°feels 31°
Afternoon46°feels 42°
Evening38°feels 34°
Overnight35°feels 30°
48 °
St. Charles, Monday, 16 November
Clear. High 48°, low 30°.
Pressure30.50 inHg
Wind7.2 mph SW
Humidity57%
Visibility—
Dew point30°
Tue, 1747° / 32°0
Morning36°feels 31°
Afternoon45°feels 41°
Evening39°feels 35°
Overnight37°feels 31°
47 °
St. Charles, Tuesday, 17 November
Clear. High 47°, low 32°.
Pressure30.47 inHg
Wind8 mph S
Humidity60%
Visibility—
Dew point31°
Wed, 1849° / 33°0
Morning38°feels 32°
Afternoon48°feels 43°
Evening42°feels 36°
Overnight38°feels 33°
49 °
St. Charles, Wednesday, 18 November
Clear. High 49°, low 33°.
Pressure30.33 inHg
Wind11.4 mph S
Humidity50%
Visibility—
Dew point29°
Thu, 1949° / 37°0
Morning40°feels 35°
Afternoon48°feels 44°
Evening45°feels 41°
Overnight44°feels 39°
49 °
St. Charles, Thursday, 19 November
Overcast. High 49°, low 37°.
Pressure30.18 inHg
Wind10.8 mph S
Humidity51%
Visibility—
Dew point30°
Fri, 2054° / 42°0.21
Morning44°feels 39°
Afternoon49°feels 45°
Evening51°feels 50°
Overnight49°feels 47°
54 °
St. Charles, Friday, 20 November
Rain. High 54°, low 42°.
Pressure30.03 inHg
Wind11.7 mph S
Humidity73%
Visibility—
Dew point40°
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.