Weather forecast for 10 daysCornwall, PA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 52°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphNNW 348°
  • Humidity: 40%
  • UV index: 4
  • Sunrise: 7:18 am EDT
  • Sunset: 6:23 pm EDT
  • ▼
Today, expect sunny weather with a crisp, clear sky.
The temperature is expected to vary between a fresh 51.8°F and an icy 32°F.
Today, the colder forecast high of 51.8°F matches November's pattern over October's.
Sunrise was at 7:18 am and sunset will be at 6:23 pm; the daylight will last for 11h and 4min.

Sunday Oct 18, 2026

  • 61°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphN 3°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:19 am EDT
  • Sunset: 6:21 pm EDT
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Tomorrow, in Cornwall, uninterrupted sunshine is also anticipated.
Temperature readings are expected to span from a high of a breezy 60.8°F to a low of an icy 33.8°F.
Tomorrow's forecasted high will be in line with October's typical peak of 61.7°F.
Sunrise will be at 7:19 am and sunset at 6:21 pm; tomorrow's daylight will last for 11h and 2min.

10-day overview

Daily temperatures

Warmest day: Tuesday 70°C.
Coldest day: today 52°C.

Chance of precipitation

Highest chance: Sunday 25.10. 18%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 52°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphNNW 348°
  • Humidity: 40%
  • UV index: 4
  • Sunrise: 7:18 am EDT
  • Sunset: 6:23 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 61°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphN 3°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:19 am EDT
  • Sunset: 6:21 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphNNE 12°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:20 am EDT
  • Sunset: 6:20 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphN 2°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:21 am EDT
  • Sunset: 6:18 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphNNE 18°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:17 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 68°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 10mphN 352°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:24 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 8mphN 9°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:25 am EDT
  • Sunset: 6:14 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 63°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphNNE 30°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:26 am EDT
  • Sunset: 6:13 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 7mphN 356°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:27 am EDT
  • Sunset: 6:11 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 7mphNNW 333°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:28 am EDT
  • Sunset: 6:10 pm EDT
  • ▼
Weather models show that primarily sunny and occasionally cloud-filled weather is predicted.
Rainfall is not anticipated in Cornwall in the upcoming days.
The temperature will vary considerably across the forecast period. Maximum temperatures are forecasted between 51.8°F and 69.8°F, while the variation in nighttime lows will be also notably wide, as the lowest temperatures will be recorded between 32°F and 46.4°F.
With the highest temperature of 69.8°F, Tuesday will be the warmest day; today is the coldest day, with a maximum temperature of 51.8°F.
Updated: Oct 17, 2026 @ 18:22:29 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, bright and sunny weather is expected.

Today, the maximum temperature will be 51.8°F, while the minimum temperature will be 32°F.
Today, the highest temperature will be significantly lower than the average maximum of 61.7°F in October. Today, the lowest temperature will be also noticeably lower than the average low of 46°F.

On Saturday, in Cornwall, sunrise was at 7:18 am and sunset will be at 6:23 pm (EDT).

Today, the daylight will last for 11h and 4min.

Tomorrow, sunshine is forecasted under mostly clear skies.

Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 33.8°F.
The maximum temperature will be in line with the average highest temperature of 61.7°F in October. Tomorrow, the lowest temperature will be significantly lower than the average low of 46°F.

On Sunday, in Cornwall, sunrise will be at 7:19 am and sunset at 6:21 pm (EDT).

Tomorrow, the daylight will last for 11h and 2min.