10-day forecast for Cornwall, MO: 30° to 88°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Monday, October 12
84° · 0.88 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1288° / 59°0
Morning62°feels 61°
Afternoon87°feels 88°
Evening74°feels 74°
Overnight61°feels 61°
88 °
Cornwall, Monday, 12 October
Clear. High 88°, low 59°.
Pressure30.00 inHg
Wind10.5 mph SW
Humidity47%
Visibility6.2 mi
Dew point60°
Tue, 1388° / 65°0
Morning67°feels 66°
Afternoon87°feels 89°
Evening78°feels 79°
Overnight70°feels 69°
88 °
Cornwall, Tuesday, 13 October
Clear. High 88°, low 65°.
Pressure29.97 inHg
Wind9 mph SW
Humidity51%
Visibility6.2 mi
Dew point63°
Wed, 1475° / 71°0.54
Morning72°feels 74°
Afternoon74°feels 76°
Evening72°feels 74°
Overnight73°feels 74°
75 °
Cornwall, Wednesday, 14 October
Rain. High 75°, low 71°.
Pressure30.06 inHg
Wind2 mph SE
Humidity96%
Visibility2.4 mi
Dew point73°
Thu, 1584° / 69°0.88
Morning71°feels 72°
Afternoon80°feels 84°
Evening76°feels 78°
Overnight71°feels 72°
84 °
Cornwall, Thursday, 15 October
Heavy rain. High 84°, low 69°.
Pressure30.06 inHg
Wind8.8 mph SW
Humidity74%
Visibility—
Dew point70°
Fri, 1671° / 54°0.01
Morning63°feels 63°
Afternoon63°feels 61°
Evening57°feels 55°
Overnight56°feels 54°
71 °
Cornwall, Friday, 16 October
Light rain. High 71°, low 54°.
Pressure30.30 inHg
Wind16.7 mph N
Humidity54%
Visibility—
Dew point47°
Sat, 1749° / 35°0
Morning40°feels 34°
Afternoon46°feels 42°
Evening38°feels 35°
Overnight35°feels 32°
49 °
Cornwall, Saturday, 17 October
Clear. High 49°, low 35°.
Pressure30.56 inHg
Wind11.8 mph N
Humidity19%
Visibility—
Dew point6°
Sun, 1856° / 30°0
Morning37°feels 35°
Afternoon51°feels 47°
Evening42°feels 39°
Overnight37°feels 35°
56 °
Cornwall, Sunday, 18 October
Clear. High 56°, low 30°.
Pressure30.56 inHg
Wind8.4 mph S
Humidity22%
Visibility—
Dew point12°
Mon, 1965° / 35°0
Morning43°feels 39°
Afternoon61°feels 58°
Evening50°feels 47°
Overnight45°feels 43°
65 °
Cornwall, Monday, 19 October
Clear. High 65°, low 35°.
Pressure30.45 inHg
Wind8.9 mph SW
Humidity18%
Visibility—
Dew point16°
Tue, 2066° / 43°0
Morning49°feels 47°
Afternoon63°feels 60°
Evening53°feels 50°
Overnight49°feels 46°
66 °
Cornwall, Tuesday, 20 October
Overcast. High 66°, low 43°.
Pressure30.36 inHg
Wind7.5 mph S
Humidity24%
Visibility—
Dew point25°
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.