10-day forecast for Cornwall, PA: 31° to 78°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Tuesday, October 13
68° · 0.58 in
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1378° / 54°0
Morning56°feels 56°
Afternoon76°feels 77°
Evening70°feels 70°
Overnight57°feels 56°
78 °
Cornwall, Tuesday, 13 October
Clear. High 78°, low 54°.
Pressure29.94 inHg
Wind6.1 mph SW
Humidity69%
Visibility6.2 mi
Dew point62°
Wed, 1477° / 64°0.01
Morning65°feels 65°
Afternoon76°feels 76°
Evening70°feels 71°
Overnight67°feels 68°
77 °
Cornwall, Wednesday, 14 October
Light rain. High 77°, low 64°.
Pressure29.91 inHg
Wind11.1 mph W
Humidity69%
Visibility6.2 mi
Dew point64°
Thu, 1563° / 54°0
Morning54°feels 53°
Afternoon63°feels 62°
Evening56°feels 55°
Overnight60°feels 59°
63 °
Cornwall, Thursday, 15 October
Mostly clear. High 63°, low 54°.
Pressure30.24 inHg
Wind4.5 mph N
Humidity61%
Visibility6.2 mi
Dew point47°
Fri, 1668° / 55°0.58
Morning59°feels 59°
Afternoon67°feels 67°
Evening62°feels 60°
Overnight55°feels 54°
68 °
Cornwall, Friday, 16 October
Rain. High 68°, low 55°.
Pressure29.68 inHg
Wind19.1 mph W
Humidity90%
Visibility—
Dew point63°
Sat, 1755° / 39°0
Morning49°feels 44°
Afternoon51°feels 48°
Evening52°feels 49°
Overnight41°feels 36°
55 °
Cornwall, Saturday, 17 October
Clear. High 55°, low 39°.
Pressure30.24 inHg
Wind15.9 mph NW
Humidity50%
Visibility—
Dew point32°
Sun, 1851° / 31°0
Morning34°feels 30°
Afternoon44°feels 41°
Evening48°feels 46°
Overnight36°feels 32°
51 °
Cornwall, Sunday, 18 October
Clear. High 51°, low 31°.
Pressure30.62 inHg
Wind8.4 mph S
Humidity47%
Visibility—
Dew point22°
Mon, 1959° / 35°0
Morning39°feels 38°
Afternoon52°feels 49°
Evening57°feels 55°
Overnight42°feels 42°
59 °
Cornwall, Monday, 19 October
Clear. High 59°, low 35°.
Pressure30.53 inHg
Wind7 mph SW
Humidity50%
Visibility—
Dew point30°
Tue, 2063° / 43°0
Morning46°feels 46°
Afternoon56°feels 54°
Evening59°feels 58°
Overnight50°feels 49°
63 °
Cornwall, Tuesday, 20 October
Overcast. High 63°, low 43°.
Pressure30.36 inHg
Wind5.2 mph W
Humidity56%
Visibility—
Dew point38°
Wed, 2162° / 45°0
Morning51°feels 50°
Afternoon58°feels 57°
Evening58°feels 56°
Overnight46°feels 44°
62 °
Cornwall, Wednesday, 21 October
Clear. High 62°, low 45°.
Pressure30.45 inHg
Wind7.3 mph NE
Humidity67%
Visibility—
Dew point46°
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, PA 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.