10-day forecast for St. Charles, IL: 31° to 69°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
62°
Best day: Monday, November 2
64° · 0.49 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0369° / 60°0.32
Morning63°feels 63°
Afternoon69°feels 69°
Evening64°feels 64°
Overnight63°feels 64°
69 °
St. Charles, Tuesday, 3 November
Rain. High 69°, low 60°.
Pressure29.83 inHg
Wind14 mph S
Humidity91%
Visibility3.8 mi
Dew point62°
Wed, 0464° / 55°0.49
Morning59°feels 59°
Afternoon58°feels 56°
Evening56°feels 54°
Overnight63°feels 63°
64 °
St. Charles, Wednesday, 4 November
Heavy rain. High 64°, low 55°.
Pressure29.68 inHg
Wind15.3 mph SW
Humidity70%
Visibility6.2 mi
Dew point48°
Thu, 0556° / 51°0.04
Morning52°feels 50°
Afternoon56°feels 54°
Evening51°feels 50°
Overnight54°feels 53°
56 °
St. Charles, Thursday, 5 November
Light rain. High 56°, low 51°.
Pressure29.71 inHg
Wind14.6 mph SW
Humidity64%
Visibility6.2 mi
Dew point42°
Fri, 0655° / 49°0.05
Morning52°feels 51°
Afternoon53°feels 52°
Evening50°feels 48°
Overnight51°feels 50°
55 °
St. Charles, Friday, 6 November
Light rain. High 55°, low 49°.
Pressure29.88 inHg
Wind7.8 mph N
Humidity72%
Visibility6.2 mi
Dew point46°
Sat, 0754° / 46°0
Morning49°feels 45°
Afternoon53°feels 51°
Evening50°feels 47°
Overnight48°feels 45°
54 °
St. Charles, Saturday, 7 November
Overcast. High 54°, low 46°.
Pressure30.03 inHg
Wind8.9 mph N
Humidity68%
Visibility—
Dew point42°
Sun, 0847° / 40°0.09
Morning45°feels 40°
Afternoon46°feels 41°
Evening42°feels 33°
Overnight40°feels 33°
47 °
St. Charles, Sunday, 8 November
Light rain. High 47°, low 40°.
Pressure29.71 inHg
Wind16.9 mph N
Humidity78%
Visibility—
Dew point40°
Mon, 0946° / 31°0
Morning35°feels 28°
Afternoon43°feels 37°
Evening40°feels 36°
Overnight38°feels 32°
46 °
St. Charles, Monday, 9 November
Partly cloudy. High 46°, low 31°.
Pressure30.03 inHg
Wind10.7 mph NW
Humidity71%
Visibility—
Dew point33°
Tue, 1052° / 35°0
Morning39°feels 36°
Afternoon49°feels 47°
Evening43°feels 38°
Overnight39°feels 34°
52 °
St. Charles, Tuesday, 10 November
Clear. High 52°, low 35°.
Pressure30.00 inHg
Wind7.5 mph NW
Humidity62%
Visibility—
Dew point36°
Wed, 1151° / 35°0
Morning39°feels 36°
Afternoon49°feels 45°
Evening42°feels 37°
Overnight39°feels 35°
51 °
St. Charles, Wednesday, 11 November
Overcast. High 51°, low 35°.
Pressure30.03 inHg
Wind9.3 mph SW
Humidity50%
Visibility—
Dew point30°
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.