10-day forecast for Cornwall, CT: 33° to 71°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Tuesday, October 20
71° · 0.52 in
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1671° / 49°0.52
Morning55°feels 55°
Afternoon71°feels 72°
Evening62°feels 62°
Overnight51°feels 50°
71 °
Cornwall, Friday, 16 October
Rain. High 71°, low 49°.
Pressure29.74 inHg
Wind12.8 mph SW
Humidity97%
Visibility2.0 mi
Dew point61°
Sat, 1752° / 37°0
Morning42°feels 35°
Afternoon46°feels 40°
Evening40°feels 34°
Overnight49°feels 43°
52 °
Cornwall, Saturday, 17 October
Mostly clear. High 52°, low 37°.
Pressure30.18 inHg
Wind15.1 mph NW
Humidity56%
Visibility6.2 mi
Dew point29°
Sun, 1853° / 33°0
Morning36°feels 36°
Afternoon52°feels 49°
Evening45°feels 45°
Overnight34°feels 29°
53 °
Cornwall, Sunday, 18 October
Clear. High 53°, low 33°.
Pressure30.59 inHg
Wind2.2 mph W
Humidity50%
Visibility6.2 mi
Dew point29°
Mon, 1960° / 36°0
Morning38°feels 38°
Afternoon60°feels 58°
Evening56°feels 54°
Overnight38°feels 38°
60 °
Cornwall, Monday, 19 October
Clear. High 60°, low 36°.
Pressure30.53 inHg
Wind2.4 mph NE
Humidity47%
Visibility6.2 mi
Dew point36°
Tue, 2066° / 43°0
Morning47°feels 43°
Afternoon59°feels 57°
Evening59°feels 58°
Overnight45°feels 42°
66 °
Cornwall, Tuesday, 20 October
Overcast. High 66°, low 43°.
Pressure30.27 inHg
Wind7.2 mph N
Humidity47%
Visibility—
Dew point36°
Wed, 2159° / 40°0
Morning46°feels 42°
Afternoon55°feels 53°
Evening51°feels 49°
Overnight41°feels 37°
59 °
Cornwall, Wednesday, 21 October
Clear. High 59°, low 40°.
Pressure30.30 inHg
Wind9.5 mph N
Humidity46%
Visibility—
Dew point33°
Thu, 2255° / 37°0
Morning40°feels 38°
Afternoon51°feels 48°
Evening50°feels 48°
Overnight39°feels 37°
55 °
Cornwall, Thursday, 22 October
Clear. High 55°, low 37°.
Pressure30.47 inHg
Wind4.3 mph S
Humidity52%
Visibility—
Dew point31°
Fri, 2361° / 39°0
Morning44°feels 41°
Afternoon56°feels 54°
Evening55°feels 54°
Overnight43°feels 41°
61 °
Cornwall, Friday, 23 October
Clear. High 61°, low 39°.
Pressure30.27 inHg
Wind8.5 mph NW
Humidity60%
Visibility—
Dew point40°
Sat, 2458° / 38°0
Morning42°feels 39°
Afternoon51°feels 49°
Evening51°feels 49°
Overnight39°feels 36°
58 °
Cornwall, Saturday, 24 October
Clear. High 58°, low 38°.
Pressure30.39 inHg
Wind4.4 mph NW
Humidity60%
Visibility—
Dew point36°
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, CT 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.