10-day forecast for St. Charles, IA: 37° to 66°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
56°
Best day: Saturday, November 7
66° · 0.94 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0366° / 49°0.94
Morning63°feels 63°
Afternoon65°feels 64°
Evening52°feels 51°
Overnight64°feels 65°
66 °
St. Charles, Tuesday, 3 November
Rain. High 66°, low 49°.
Pressure29.65 inHg
Wind8.5 mph NW
Humidity85%
Visibility6.2 mi
Dew point61°
Wed, 0452° / 48°0
Morning50°feels 45°
Afternoon51°feels 49°
Evening48°feels 43°
Overnight49°feels 45°
52 °
St. Charles, Wednesday, 4 November
Light rain. High 52°, low 48°.
Pressure29.71 inHg
Wind13.9 mph W
Humidity67%
Visibility6.2 mi
Dew point41°
Thu, 0555° / 48°0
Morning50°feels 49°
Afternoon55°feels 53°
Evening51°feels 49°
Overnight48°feels 43°
55 °
St. Charles, Thursday, 5 November
Light rain. High 55°, low 48°.
Pressure29.83 inHg
Wind13.7 mph NW
Humidity55%
Visibility6.2 mi
Dew point40°
Fri, 0650° / 46°0
Morning47°feels 42°
Afternoon48°feels 44°
Evening48°feels 45°
Overnight47°feels 42°
50 °
St. Charles, Friday, 6 November
Overcast. High 50°, low 46°.
Pressure30.09 inHg
Wind10.5 mph N
Humidity69%
Visibility—
Dew point38°
Sat, 0756° / 44°0
Morning47°feels 44°
Afternoon53°feels 51°
Evening50°feels 47°
Overnight45°feels 40°
56 °
St. Charles, Saturday, 7 November
Overcast. High 56°, low 44°.
Pressure30.06 inHg
Wind10.6 mph SW
Humidity52%
Visibility—
Dew point35°
Sun, 0848° / 40°0.09
Morning42°feels 34°
Afternoon48°feels 41°
Evening45°feels 38°
Overnight43°feels 36°
48 °
St. Charles, Sunday, 8 November
Light rain. High 48°, low 40°.
Pressure29.85 inHg
Wind18.2 mph NW
Humidity74%
Visibility—
Dew point39°
Mon, 0951° / 37°0
Morning41°feels 35°
Afternoon48°feels 44°
Evening44°feels 40°
Overnight41°feels 37°
51 °
St. Charles, Monday, 9 November
Mostly clear. High 51°, low 37°.
Pressure30.06 inHg
Wind10 mph NW
Humidity54%
Visibility—
Dew point31°
Tue, 1053° / 37°0
Morning41°feels 36°
Afternoon50°feels 47°
Evening44°feels 41°
Overnight42°feels 38°
53 °
St. Charles, Tuesday, 10 November
Clear. High 53°, low 37°.
Pressure30.15 inHg
Wind11.3 mph NW
Humidity48%
Visibility—
Dew point30°
Wed, 1154° / 41°0
Morning45°feels 44°
Afternoon52°feels 49°
Evening46°feels 43°
Overnight42°feels 40°
54 °
St. Charles, Wednesday, 11 November
Overcast. High 54°, low 41°.
Pressure30.18 inHg
Wind5.7 mph E
Humidity42%
Visibility—
Dew point29°
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.