10-day forecast for St. Charles, IL: 32° to 68°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Thursday, October 29
57° · 1.5 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3065° / 46°0.01
Morning48°feels 47°
Afternoon63°feels 62°
Evening56°feels 56°
Overnight49°feels 47°
65 °
St. Charles, Friday, 30 October
Light rain. High 65°, low 46°.
Pressure30.36 inHg
Wind5.5 mph E
Humidity65%
Visibility6.2 mi
Dew point46°
Sat, 3157° / 50°1.5
Morning50°feels 49°
Afternoon57°feels 56°
Evening52°feels 51°
Overnight52°feels 51°
57 °
St. Charles, Saturday, 31 October
Heavy rain. High 57°, low 50°.
Pressure30.36 inHg
Wind9.6 mph SE
Humidity73%
Visibility6.2 mi
Dew point48°
Sun, 0157° / 51°0.07
Morning51°feels 50°
Afternoon57°feels 57°
Evening57°feels 56°
Overnight52°feels 51°
57 °
St. Charles, Sunday, 1 November
Light rain. High 57°, low 51°.
Pressure30.33 inHg
Wind4.5 mph SE
Humidity82%
Visibility5.3 mi
Dew point52°
Mon, 0260° / 53°0.01
Morning54°feels 54°
Afternoon59°feels 59°
Evening60°feels 59°
Overnight55°feels 54°
60 °
St. Charles, Monday, 2 November
Light rain. High 60°, low 53°.
Pressure30.09 inHg
Wind13.7 mph S
Humidity81%
Visibility—
Dew point53°
Tue, 0368° / 59°0.12
Morning62°feels 62°
Afternoon68°feels 68°
Evening65°feels 65°
Overnight65°feels 65°
68 °
St. Charles, Tuesday, 3 November
Light rain. High 68°, low 59°.
Pressure29.85 inHg
Wind18.7 mph S
Humidity72%
Visibility—
Dew point58°
Wed, 0468° / 63°0.02
Morning63°feels 63°
Afternoon65°feels 65°
Evening66°feels 65°
Overnight63°feels 63°
68 °
St. Charles, Wednesday, 4 November
Light rain. High 68°, low 63°.
Pressure29.83 inHg
Wind17.3 mph SE
Humidity76%
Visibility—
Dew point57°
Thu, 0564° / 57°0.13
Morning59°feels 59°
Afternoon63°feels 63°
Evening59°feels 59°
Overnight58°feels 58°
64 °
St. Charles, Thursday, 5 November
Light rain. High 64°, low 57°.
Pressure29.56 inHg
Wind11.3 mph S
Humidity78%
Visibility—
Dew point56°
Fri, 0652° / 37°0.11
Morning44°feels 37°
Afternoon40°feels 33°
Evening40°feels 33°
Overnight38°feels 31°
52 °
St. Charles, Friday, 6 November
Light rain. High 52°, low 37°.
Pressure29.83 inHg
Wind15 mph N
Humidity85%
Visibility—
Dew point37°
Sat, 0748° / 32°0
Morning36°feels 29°
Afternoon46°feels 42°
Evening41°feels 37°
Overnight38°feels 33°
48 °
St. Charles, Saturday, 7 November
Partly cloudy. High 48°, low 32°.
Pressure30.24 inHg
Wind12.8 mph N
Humidity61%
Visibility—
Dew point32°
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.