10-day forecast for Cornwall, PA: 29° to 79°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Tuesday, October 13
71° · 0.81 in
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1379° / 54°0
Morning56°feels 56°
Afternoon78°feels 79°
Evening72°feels 72°
Overnight56°feels 56°
79 °
Cornwall, Tuesday, 13 October
Clear. High 79°, low 54°.
Pressure29.94 inHg
Wind6.6 mph SW
Humidity70%
Visibility6.2 mi
Dew point63°
Wed, 1477° / 64°0
Morning65°feels 65°
Afternoon77°feels 78°
Evening71°feels 71°
Overnight67°feels 67°
77 °
Cornwall, Wednesday, 14 October
Overcast. High 77°, low 64°.
Pressure29.94 inHg
Wind10.9 mph W
Humidity70%
Visibility6.2 mi
Dew point64°
Thu, 1566° / 55°0.09
Morning55°feels 54°
Afternoon66°feels 65°
Evening62°feels 61°
Overnight61°feels 61°
66 °
Cornwall, Thursday, 15 October
Light rain. High 66°, low 55°.
Pressure30.21 inHg
Wind2.9 mph NE
Humidity64%
Visibility6.2 mi
Dew point51°
Fri, 1671° / 55°0.81
Morning64°feels 64°
Afternoon70°feels 71°
Evening63°feels 62°
Overnight59°feels 59°
71 °
Cornwall, Friday, 16 October
Rain. High 71°, low 55°.
Pressure29.62 inHg
Wind18.9 mph NW
Humidity93%
Visibility—
Dew point67°
Sat, 1752° / 33°0
Morning48°feels 42°
Afternoon47°feels 42°
Evening44°feels 38°
Overnight36°feels 29°
52 °
Cornwall, Saturday, 17 October
Clear. High 52°, low 33°.
Pressure30.30 inHg
Wind15.7 mph NW
Humidity51%
Visibility—
Dew point31°
Sun, 1851° / 29°0
Morning33°feels 29°
Afternoon44°feels 41°
Evening48°feels 45°
Overnight35°feels 31°
51 °
Cornwall, Sunday, 18 October
Clear. High 51°, low 29°.
Pressure30.71 inHg
Wind8.9 mph S
Humidity47%
Visibility—
Dew point22°
Mon, 1961° / 34°0
Morning38°feels 36°
Afternoon52°feels 50°
Evening58°feels 56°
Overnight43°feels 41°
61 °
Cornwall, Monday, 19 October
Clear. High 61°, low 34°.
Pressure30.56 inHg
Wind6.4 mph SW
Humidity47%
Visibility—
Dew point28°
Tue, 2065° / 44°0
Morning48°feels 46°
Afternoon59°feels 57°
Evening62°feels 61°
Overnight49°feels 48°
65 °
Cornwall, Tuesday, 20 October
Mostly clear. High 65°, low 44°.
Pressure30.39 inHg
Wind4.1 mph W
Humidity57%
Visibility—
Dew point41°
Wed, 2164° / 47°0
Morning50°feels 50°
Afternoon60°feels 58°
Evening61°feels 60°
Overnight49°feels 47°
64 °
Cornwall, Wednesday, 21 October
Overcast. High 64°, low 47°.
Pressure30.39 inHg
Wind6.2 mph SE
Humidity61%
Visibility—
Dew point44°
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.