10-day forecast for St. Charles, MN: 53° to 84°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Monday, August 10
73° · 1.48 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1083° / 69°0
Morning72°feels 73°
Afternoon82°feels 85°
Evening75°feels 76°
Overnight72°feels 73°
83 °
St. Charles, Monday, 10 August
Overcast. High 83°, low 69°.
Pressure29.94 inHg
Wind7.8 mph S
Humidity79%
Visibility6.2 mi
Dew point70°
Tue, 1184° / 68°0.64
Morning70°feels 70°
Afternoon82°feels 85°
Evening76°feels 77°
Overnight68°feels 69°
84 °
St. Charles, Tuesday, 11 August
Heavy rain. High 84°, low 68°.
Pressure29.80 inHg
Wind6 mph NE
Humidity67%
Visibility6.2 mi
Dew point68°
Wed, 1282° / 61°0
Morning65°feels 65°
Afternoon80°feels 80°
Evening71°feels 71°
Overnight67°feels 67°
82 °
St. Charles, Wednesday, 12 August
Partly cloudy. High 82°, low 61°.
Pressure29.91 inHg
Wind6.4 mph N
Humidity48%
Visibility6.2 mi
Dew point56°
Thu, 1370° / 58°0
Morning60°feels 59°
Afternoon68°feels 67°
Evening66°feels 66°
Overnight60°feels 59°
70 °
St. Charles, Thursday, 13 August
Overcast. High 70°, low 58°.
Pressure30.09 inHg
Wind8 mph NE
Humidity56%
Visibility—
Dew point50°
Fri, 1473° / 53°0
Morning59°feels 58°
Afternoon72°feels 72°
Evening68°feels 68°
Overnight60°feels 59°
73 °
St. Charles, Friday, 14 August
Overcast. High 73°, low 53°.
Pressure30.18 inHg
Wind9.5 mph E
Humidity48%
Visibility—
Dew point49°
Sat, 1567° / 56°0.01
Morning58°feels 57°
Afternoon62°feels 61°
Evening65°feels 65°
Overnight62°feels 62°
67 °
St. Charles, Saturday, 15 August
Light rain. High 67°, low 56°.
Pressure30.24 inHg
Wind8.4 mph SE
Humidity69%
Visibility—
Dew point50°
Sun, 1679° / 63°0
Morning67°feels 68°
Afternoon78°feels 78°
Evening74°feels 75°
Overnight67°feels 68°
79 °
St. Charles, Sunday, 16 August
Overcast. High 79°, low 63°.
Pressure30.09 inHg
Wind10.8 mph SW
Humidity59%
Visibility—
Dew point61°
Mon, 1776° / 57°0
Morning62°feels 62°
Afternoon75°feels 75°
Evening70°feels 70°
Overnight63°feels 62°
76 °
St. Charles, Monday, 17 August
Overcast. High 76°, low 57°.
Pressure30.12 inHg
Wind8.4 mph NE
Humidity48%
Visibility—
Dew point53°
Tue, 1884° / 62°0.11
Morning66°feels 66°
Afternoon76°feels 77°
Evening79°feels 82°
Overnight71°feels 72°
84 °
St. Charles, Tuesday, 18 August
Light rain. High 84°, low 62°.
Pressure29.94 inHg
Wind13.2 mph S
Humidity78%
Visibility—
Dew point66°
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, MN 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.