Weather forecast for 10 days
Cornwall, PA

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Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
5:34 am

8:40 pm
EDT
Partly Cloudy
86°F / 70°F
  • Wind: 7mph WSW
  • Humidity: 62%
  • Precip. probability: 8%
  • Precipitation: 0"
  • UV index: 9
On Saturday, June 21, sunlight and clouds will take turns dominating the sky.
Rainfall is not anticipated. The temperature will vary between a maximum of a blazing 86°F and a minimum of a pleasant 69.8°F.
With a forecast of 86°F, the day’s weather feels closer to July than June.
Sunrise will be at 5:34 am and sunset at 8:40 pm; the daylight will last for 15h and 6min.

Sunday, Jun 22.

Partly Cloudy
5:34 am

8:40 pm
EDT
Partly Cloudy
91°F / 73°F
  • Wind: 8mph W
  • Humidity: 64%
  • Precip. probability: 16%
  • Precipitation: 0"
  • UV index: 8
On Sunday, in Cornwall, expect a mix of sun and clouds throughout the day.
Rainfall is not predicted. Forecasted temperature values will span from a humid 91.4°F down to a temperate 73.4°F.
On Sunday, it will be hotter with a forecast high that reflects July's climate of 82°F.
Sunrise will be at 5:34 am and sunset at 8:40 pm; the daylight will last for 15h and 6min.

Frequently asked questions

What is the weather forecast for Cornwall for Saturday?
On Saturday, expect a partly sunny afternoon with variable cloud cover.
Will it rain on Saturday?
No, it will not rain on Saturday in Cornwall.
What will be the maximum temperature in Cornwall on Saturday?
On Saturday, the maximum temperature will be 86°F, while the minimum temperature will be 69.8°F.
What is the weather forecast for Cornwall for Sunday?
On Sunday, patchy clouds will move across the sky, allowing for sunshine at times.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 91.4°F, while the minimum temperature will be 73.4°F.
What is the weather forecast for Cornwall for the next ten days?
In Cornwall, weather will be unstable, and a combination of sun-filled, cloud-filled, turbulent and damp weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is forecasted for Monday through Thursday in Cornwall. With light precipitation of 0.24", Thursday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 66.2°F and 95°F, as the minimum temperature will vary between 60.8°F and 75.2°F.
Taking the humidity into consideration, the maximum feel-like temperature will range between 66.2°F and 114.8°F.
What will be the hottest and the coldest days?
With a maximum temperature of 95°F, next Monday and Tuesday will be the hottest days. Today is the coldest day, with a maximum temperature of 66.2°F.

Long-term weather forecast

MonJun 16.
  • 66°F
  • 61°F
Showers
Showers
  • Wind: 6mph E
  • Humidity: 89%
  • UV index: 4
  • Precip. probability: 60%
  • Precipitation: 0.16"
  • 5:33 am 8:39 pm EDT
TueJun 17.
  • 75°F
  • 68°F
Cloudy
Cloudy
  • Wind: 7mph SSE
  • Humidity: 88%
  • UV index: 4
  • Precip. probability: 24%
  • Precipitation: 0.16"
  • 5:33 am 8:39 pm EDT
WedJun 18.
  • 84°F
  • 70°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 8mph SW
  • Humidity: 80%
  • UV index: 7
  • Precip. probability: 67%
  • Precipitation: 0.2"
  • 5:34 am 8:39 pm EDT
ThuJun 19.
  • 88°F
  • 63°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 14mph WSW
  • Humidity: 68%
  • UV index: 8
  • Precip. probability: 60%
  • Precipitation: 0.24"
  • 5:34 am 8:40 pm EDT
FriJun 20.
  • 82°F
  • 64°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph WNW
  • Humidity: 60%
  • UV index: 9
  • Precip. probability: 18%
  • Precipitation: 0"
  • 5:34 am 8:40 pm EDT
SatJun 21.
  • 86°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph WSW
  • Humidity: 62%
  • UV index: 9
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:34 am 8:40 pm EDT
SunJun 22.
  • 91°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph W
  • Humidity: 64%
  • UV index: 8
  • Precip. probability: 16%
  • Precipitation: 0"
  • 5:34 am 8:40 pm EDT
MonJun 23.
  • 95°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph WNW
  • Humidity: 62%
  • UV index: 9
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:35 am 8:40 pm EDT
TueJun 24.
  • 95°F
  • 73°F
Sunny
Sunny
  • Wind: 7mph W
  • Humidity: 59%
  • UV index: 9
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:35 am 8:40 pm EDT
WedJun 25.
  • 90°F
  • 70°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph WNW
  • Humidity: 60%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:35 am 8:41 pm EDT
And a mix of clear, cloud-filled, stormy and rain-soaked weather is anticipated.
Rainfall is anticipated on Monday through Thursday.
Temperature variation will be noticeable in the upcoming days. The maximum temperature will vary between 66.2°F and 95°F, while the lowest nightly temperature differences will be also quite pronounced, as the overnight lows will vary from 60.8°F to 75.2°F.
With a maximum temperature of 95°F, next Monday and Tuesday will be the hottest days; today is the coldest day, with a maximum temperature of 66.2°F.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and range between 66.2°F and a blazing hot 114.8°F.
Updated: Jun 16, 2025 @ 10:22:41 UTC
Published by: Weather U.S. | About Us
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