10-day forecast for St. Charles, IL: 33° to 69°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
58°
Best day: Sunday, November 8
63° · 0.32 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 0463° / 54°0.32
Morning62°feels 62°
Afternoon58°feels 57°
Evening55°feels 53°
Overnight63°feels 63°
63 °
St. Charles, Wednesday, 4 November
Rain. High 63°, low 54°.
Pressure29.62 inHg
Wind16 mph SW
Humidity73%
Visibility6.2 mi
Dew point52°
Thu, 0554° / 48°0.02
Morning50°feels 49°
Afternoon54°feels 53°
Evening52°feels 51°
Overnight53°feels 51°
54 °
St. Charles, Thursday, 5 November
Light rain. High 54°, low 48°.
Pressure29.74 inHg
Wind14.8 mph SW
Humidity77%
Visibility6.2 mi
Dew point46°
Fri, 0648° / 41°0.04
Morning44°feels 38°
Afternoon47°feels 42°
Evening42°feels 38°
Overnight46°feels 41°
48 °
St. Charles, Friday, 6 November
Light rain. High 48°, low 41°.
Pressure30.06 inHg
Wind10.7 mph N
Humidity62%
Visibility6.2 mi
Dew point35°
Sat, 0748° / 33°0
Morning37°feels 33°
Afternoon46°feels 42°
Evening41°feels 36°
Overnight38°feels 34°
48 °
St. Charles, Saturday, 7 November
Clear. High 48°, low 33°.
Pressure30.15 inHg
Wind9.1 mph W
Humidity57%
Visibility—
Dew point30°
Sun, 0858° / 40°0
Morning45°feels 40°
Afternoon56°feels 54°
Evening48°feels 45°
Overnight43°feels 39°
58 °
St. Charles, Sunday, 8 November
Mostly clear. High 58°, low 40°.
Pressure30.06 inHg
Wind8 mph W
Humidity61%
Visibility—
Dew point41°
Mon, 0954° / 37°0
Morning41°feels 40°
Afternoon51°feels 49°
Evening47°feels 44°
Overnight44°feels 42°
54 °
St. Charles, Monday, 9 November
Clear. High 54°, low 37°.
Pressure30.06 inHg
Wind6.2 mph S
Humidity50%
Visibility—
Dew point32°
Tue, 1057° / 46°0
Morning49°feels 47°
Afternoon56°feels 54°
Evening48°feels 46°
Overnight46°feels 44°
57 °
St. Charles, Tuesday, 10 November
Overcast. High 57°, low 46°.
Pressure30.06 inHg
Wind7.7 mph N
Humidity61%
Visibility—
Dew point42°
Wed, 1156° / 43°0
Morning47°feels 44°
Afternoon54°feels 51°
Evening46°feels 43°
Overnight43°feels 39°
56 °
St. Charles, Wednesday, 11 November
Overcast. High 56°, low 43°.
Pressure29.97 inHg
Wind7.4 mph N
Humidity37%
Visibility—
Dew point28°
Thu, 1248° / 37°0
Morning42°feels 38°
Afternoon47°feels 43°
Evening42°feels 37°
Overnight37°feels 32°
48 °
St. Charles, Thursday, 12 November
Overcast. High 48°, low 37°.
Pressure30.12 inHg
Wind9.1 mph NE
Humidity58%
Visibility—
Dew point33°
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.