10-day forecast for St. Charles, IA: 42° to 69°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Sunday, November 1
64° · 1.37 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0269° / 59°0.31
Morning61°feels 61°
Afternoon66°feels 66°
Evening67°feels 67°
Overnight61°feels 61°
69 °
St. Charles, Monday, 2 November
Rain. High 69°, low 59°.
Pressure29.74 inHg
Wind20.5 mph S
Humidity90%
Visibility4.4 mi
Dew point62°
Tue, 0364° / 51°1.37
Morning63°feels 64°
Afternoon62°feels 62°
Evening56°feels 55°
Overnight64°feels 65°
64 °
St. Charles, Tuesday, 3 November
Heavy rain. High 64°, low 51°.
Pressure29.65 inHg
Wind7.8 mph NW
Humidity81%
Visibility6.2 mi
Dew point57°
Wed, 0452° / 49°0.05
Morning50°feels 49°
Afternoon52°feels 51°
Evening49°feels 44°
Overnight51°feels 49°
52 °
St. Charles, Wednesday, 4 November
Light rain. High 52°, low 49°.
Pressure29.65 inHg
Wind13.2 mph W
Humidity77%
Visibility6.2 mi
Dew point46°
Thu, 0551° / 48°0.04
Morning49°feels 45°
Afternoon51°feels 49°
Evening49°feels 44°
Overnight48°feels 43°
51 °
St. Charles, Thursday, 5 November
Light rain. High 51°, low 48°.
Pressure29.80 inHg
Wind12.4 mph NW
Humidity76%
Visibility—
Dew point44°
Fri, 0652° / 44°0
Morning46°feels 41°
Afternoon50°feels 47°
Evening49°feels 49°
Overnight45°feels 44°
52 °
St. Charles, Friday, 6 November
Overcast. High 52°, low 44°.
Pressure30.03 inHg
Wind10.9 mph N
Humidity68%
Visibility—
Dew point39°
Sat, 0763° / 43°0
Morning49°feels 46°
Afternoon58°feels 56°
Evening52°feels 49°
Overnight46°feels 42°
63 °
St. Charles, Saturday, 7 November
Overcast. High 63°, low 43°.
Pressure29.94 inHg
Wind12.3 mph W
Humidity47%
Visibility—
Dew point37°
Sun, 0862° / 43°0
Morning48°feels 44°
Afternoon58°feels 56°
Evening52°feels 50°
Overnight49°feels 48°
62 °
St. Charles, Sunday, 8 November
Mostly clear. High 62°, low 43°.
Pressure29.94 inHg
Wind11.1 mph W
Humidity42%
Visibility—
Dew point34°
Mon, 0964° / 45°0
Morning50°feels 48°
Afternoon62°feels 60°
Evening52°feels 50°
Overnight48°feels 45°
64 °
St. Charles, Monday, 9 November
Clear. High 64°, low 45°.
Pressure30.03 inHg
Wind10.5 mph NW
Humidity46%
Visibility—
Dew point40°
Tue, 1057° / 42°0
Morning46°feels 42°
Afternoon55°feels 53°
Evening50°feels 48°
Overnight48°feels 46°
57 °
St. Charles, Tuesday, 10 November
Overcast. High 57°, low 42°.
Pressure30.15 inHg
Wind9.1 mph SE
Humidity50%
Visibility—
Dew point36°
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, IA 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.