10-day forecast for St. Charles, IA: 14° to 66°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Friday, November 20
30° · 0.16 in
Worst day: Sunday, November 22
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1548° / 25°0
Morning29°feels 25°
Afternoon48°feels 46°
Evening34°feels 30°
Overnight27°feels 22°
48 °
St. Charles, Sunday, 15 November
Clear. High 48°, low 25°.
Pressure30.45 inHg
Wind5.8 mph S
Humidity56%
Visibility6.2 mi
Dew point29°
Mon, 1653° / 31°0
Morning33°feels 26°
Afternoon53°feels 50°
Evening41°feels 35°
Overnight32°feels 26°
53 °
St. Charles, Monday, 16 November
Mostly clear. High 53°, low 31°.
Pressure30.45 inHg
Wind9.9 mph SW
Humidity52%
Visibility6.2 mi
Dew point34°
Tue, 1755° / 38°0
Morning41°feels 36°
Afternoon55°feels 52°
Evening48°feels 43°
Overnight39°feels 33°
55 °
St. Charles, Tuesday, 17 November
Mostly clear. High 55°, low 38°.
Pressure30.33 inHg
Wind12.8 mph S
Humidity55%
Visibility6.2 mi
Dew point38°
Wed, 1857° / 45°0.02
Morning48°feels 42°
Afternoon55°feels 53°
Evening55°feels 53°
Overnight51°feels 49°
57 °
St. Charles, Wednesday, 18 November
Light rain. High 57°, low 45°.
Pressure30.09 inHg
Wind18.3 mph S
Humidity51%
Visibility—
Dew point36°
Thu, 1956° / 43°0
Morning46°feels 42°
Afternoon54°feels 51°
Evening47°feels 45°
Overnight45°feels 42°
56 °
St. Charles, Thursday, 19 November
Partly cloudy. High 56°, low 43°.
Pressure30.27 inHg
Wind14.7 mph SW
Humidity51%
Visibility—
Dew point35°
Fri, 2066° / 43°0.01
Morning48°feels 45°
Afternoon58°feels 58°
Evening58°feels 57°
Overnight56°feels 55°
66 °
St. Charles, Friday, 20 November
Light rain. High 66°, low 43°.
Pressure30.09 inHg
Wind21 mph S
Humidity85%
Visibility—
Dew point52°
Sat, 2160° / 34°0.27
Morning58°feels 58°
Afternoon58°feels 56°
Evening41°feels 32°
Overnight39°feels 29°
60 °
St. Charles, Saturday, 21 November
Snow. High 60°, low 34°.
Pressure29.71 inHg
Wind24.6 mph NW
Humidity86%
Visibility—
Dew point56°
Sun, 2230° / 20°0.16
Morning24°feels 11°
Afternoon24°feels 12°
Evening21°feels 9°
Overnight21°feels 9°
30 °
St. Charles, Sunday, 22 November
Snow. High 30°, low 20°.
Pressure30.39 inHg
Wind26.5 mph NW
Humidity73%
Visibility—
Dew point17°
Mon, 2322° / 14°0
Morning18°feels 5°
Afternoon21°feels 9°
Evening16°feels 4°
Overnight14°feels 4°
22 °
St. Charles, Monday, 23 November
Light snow. High 22°, low 14°.
Pressure30.45 inHg
Wind15.6 mph N
Humidity61%
Visibility—
Dew point10°
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.