10-day forecast for Cornwall, MO: 35° to 90°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Tuesday, October 13
55°
Worst day: Saturday, October 17
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1076° / 56°0.02
Morning60°feels 59°
Afternoon75°feels 74°
Evening62°feels 62°
Overnight59°feels 58°
76 °
Cornwall, Saturday, 10 October
Light rain. High 76°, low 56°.
Pressure30.06 inHg
Wind3.2 mph NE
Humidity50%
Visibility6.2 mi
Dew point54°
Sun, 1187° / 58°0.01
Morning60°feels 59°
Afternoon84°feels 83°
Evening73°feels 73°
Overnight60°feels 59°
87 °
Cornwall, Sunday, 11 October
Light rain. High 87°, low 58°.
Pressure29.94 inHg
Wind4.3 mph NW
Humidity45%
Visibility6.2 mi
Dew point55°
Mon, 1289° / 64°0
Morning66°feels 66°
Afternoon88°feels 87°
Evening78°feels 77°
Overnight67°feels 66°
89 °
Cornwall, Monday, 12 October
Clear. High 89°, low 64°.
Pressure29.94 inHg
Wind9.7 mph SW
Humidity41%
Visibility6.2 mi
Dew point58°
Tue, 1390° / 67°0
Morning73°feels 73°
Afternoon87°feels 88°
Evening83°feels 85°
Overnight71°feels 70°
90 °
Cornwall, Tuesday, 13 October
Clear. High 90°, low 67°.
Pressure29.88 inHg
Wind10.2 mph SW
Humidity42%
Visibility—
Dew point59°
Wed, 1486° / 71°0.13
Morning76°feels 78°
Afternoon81°feels 85°
Evening76°feels 77°
Overnight71°feels 73°
86 °
Cornwall, Wednesday, 14 October
Rain. High 86°, low 71°.
Pressure29.88 inHg
Wind11.7 mph S
Humidity69%
Visibility—
Dew point70°
Thu, 1590° / 69°0.01
Morning75°feels 75°
Afternoon88°feels 88°
Evening80°feels 80°
Overnight73°feels 73°
90 °
Cornwall, Thursday, 15 October
Light rain. High 90°, low 69°.
Pressure29.85 inHg
Wind15.5 mph SW
Humidity39%
Visibility—
Dew point58°
Fri, 1669° / 49°0.05
Morning58°feels 56°
Afternoon61°feels 58°
Evening52°feels 48°
Overnight51°feels 48°
69 °
Cornwall, Friday, 16 October
Light rain. High 69°, low 49°.
Pressure30.21 inHg
Wind11.4 mph NW
Humidity29%
Visibility—
Dew point29°
Sat, 1755° / 39°0
Morning46°feels 42°
Afternoon53°feels 50°
Evening44°feels 40°
Overnight40°feels 37°
55 °
Cornwall, Saturday, 17 October
Clear. High 55°, low 39°.
Pressure30.30 inHg
Wind10.9 mph NW
Humidity39%
Visibility—
Dew point29°
Sun, 1860° / 35°0
Morning41°feels 38°
Afternoon56°feels 53°
Evening47°feels 46°
Overnight42°feels 40°
60 °
Cornwall, Sunday, 18 October
Partly cloudy. High 60°, low 35°.
Pressure30.30 inHg
Wind6 mph NE
Humidity36%
Visibility—
Dew point28°
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 Cornwall, MO 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.