10-day forecast for Cornwall, MO: 32° to 89°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Tuesday, October 13
88° · 1.29 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1076° / 54°0
Morning60°feels 59°
Afternoon75°feels 75°
Evening60°feels 59°
Overnight58°feels 56°
76 °
Cornwall, Saturday, 10 October
Overcast. High 76°, low 54°.
Pressure30.03 inHg
Wind2 mph E
Humidity53%
Visibility6.2 mi
Dew point54°
Sun, 1187° / 52°0
Morning58°feels 58°
Afternoon85°feels 84°
Evening73°feels 73°
Overnight57°feels 55°
87 °
Cornwall, Sunday, 11 October
Clear. High 87°, low 52°.
Pressure30.00 inHg
Wind2.2 mph W
Humidity43%
Visibility6.2 mi
Dew point55°
Mon, 1289° / 64°0
Morning66°feels 65°
Afternoon88°feels 86°
Evening75°feels 74°
Overnight67°feels 66°
89 °
Cornwall, Monday, 12 October
Clear. High 89°, low 64°.
Pressure29.97 inHg
Wind10.5 mph SW
Humidity40%
Visibility6.2 mi
Dew point58°
Tue, 1389° / 67°0
Morning71°feels 71°
Afternoon88°feels 90°
Evening81°feels 83°
Overnight70°feels 70°
89 °
Cornwall, Tuesday, 13 October
Clear. High 89°, low 67°.
Pressure29.91 inHg
Wind8.4 mph SW
Humidity53%
Visibility6.2 mi
Dew point65°
Wed, 1479° / 70°0.67
Morning71°feels 72°
Afternoon74°feels 75°
Evening74°feels 76°
Overnight72°feels 74°
79 °
Cornwall, Wednesday, 14 October
Rain. High 79°, low 70°.
Pressure30.03 inHg
Wind6 mph S
Humidity98%
Visibility—
Dew point72°
Thu, 1588° / 67°1.29
Morning73°feels 75°
Afternoon86°feels 89°
Evening72°feels 73°
Overnight70°feels 71°
88 °
Cornwall, Thursday, 15 October
Heavy rain. High 88°, low 67°.
Pressure29.94 inHg
Wind10.3 mph SW
Humidity51%
Visibility—
Dew point65°
Fri, 1669° / 53°0.01
Morning58°feels 57°
Afternoon62°feels 59°
Evening56°feels 54°
Overnight54°feels 51°
69 °
Cornwall, Friday, 16 October
Light rain. High 69°, low 53°.
Pressure30.18 inHg
Wind14.2 mph NW
Humidity33%
Visibility—
Dew point32°
Sat, 1751° / 40°0
Morning44°feels 38°
Afternoon50°feels 46°
Evening43°feels 38°
Overnight40°feels 35°
51 °
Cornwall, Saturday, 17 October
Clear. High 51°, low 40°.
Pressure30.42 inHg
Wind14.5 mph NW
Humidity40%
Visibility—
Dew point26°
Sun, 1854° / 32°0
Morning38°feels 34°
Afternoon51°feels 48°
Evening43°feels 43°
Overnight40°feels 39°
54 °
Cornwall, Sunday, 18 October
Overcast. High 54°, low 32°.
Pressure30.47 inHg
Wind5.3 mph NE
Humidity37%
Visibility—
Dew point24°
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.