Weather forecast for 10 daysArnold, PA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 52°F
  • 30°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 12mphNNW 341°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:32 am EDT
  • Sunset: 6:36 pm EDT
  • ▼
On Saturday, October 17, morning cloud cover will break apart, making way for brighter and drier conditions in the afternoon.
The temperature variation is anticipated to range from a maximum of a fresh 51.8°F to a minimum of a freezing 30.2°F.
It will feel colder, with a temperature more typical of November's average maximum of 48.4°F.
Sunrise was at 7:32 am and sunset will be at 6:36 pm; the daylight will last for 11h and 4min.

Sunday Oct 18, 2026

  • 61°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphSSE 151°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:33 am EDT
  • Sunset: 6:34 pm EDT
  • ▼
On Sunday, October 18, the weather remains calm, bright, and sunny.
Substantial temperature variations are forecasted, soaring to a maximum of a comfortable 60.8°F and descending to a minimum of a cold 32°F.
Tomorrow's high temperature will mirror the usual October maximum of 61.3°F.
Sunrise will be at 7:33 am and sunset at 6:34 pm; tomorrow's daylight will last for 11h and 1min.

10-day overview

Daily temperatures

Maximum temperature: 68°C.
Coldest day: today 52°C.

Chance of precipitation

Highest chance: Monday 12%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 52°F
  • 30°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 12mphNNW 341°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:32 am EDT
  • Sunset: 6:36 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 61°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphSSE 151°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:33 am EDT
  • Sunset: 6:34 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 5mphNNE 33°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:34 am EDT
  • Sunset: 6:33 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 68°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphN 10°
  • Humidity: 63%
  • UV index: 4
  • Sunrise: 7:35 am EDT
  • Sunset: 6:31 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphNE 43°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:36 am EDT
  • Sunset: 6:30 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphN 0°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:38 am EDT
  • Sunset: 6:28 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphNE 39°
  • Humidity: 64%
  • UV index: 4
  • Sunrise: 7:39 am EDT
  • Sunset: 6:27 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 63°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphENE 73°
  • Humidity: 63%
  • UV index: 4
  • Sunrise: 7:40 am EDT
  • Sunset: 6:26 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 66°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphE 100°
  • Humidity: 64%
  • UV index: 4
  • Sunrise: 7:41 am EDT
  • Sunset: 6:24 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 7mphW 260°
  • Humidity: 67%
  • UV index: 4
  • Sunrise: 7:42 am EDT
  • Sunset: 6:23 pm EDT
  • ▼
In the days ahead, primarily sunny and occasionally gloomy weather is forecasted.
Rainfall is not predicted in Arnold in the upcoming period.
Temperature differences will be noticeable across the forecast period. Highs will range from 51.8°F to 68°F, while there will be also a marked difference in overnight low temperatures, as the minimum temperature is expected to range between 30.2°F and 44.6°F.
Monday, Tuesday and next Monday, with the highest temperature of 68°F, will be the warmest days in Arnold; today is the coldest day, with a maximum temperature of 51.8°F.
Updated: Oct 17, 2026 @ 15:14:49 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Arnold, patchy morning clouds will clear as the afternoon brings plenty of sunshine.

Today, the highest temperature will be 51.8°F, while the lowest temperature will be 30.2°F.
Today, the highest temperature will be noticeably lower than the average maximum of 61.3°F in October. The lowest temperature will be also significantly lower than the average low of 45°F.

On Saturday, in Arnold, sunrise was at 7:32 am and sunset will be at 6:36 pm (EDT).

In Arnold, the length of the day today will be 11h and 4min.

On Sunday, expect consistent sunshine and open skies.

Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 32°F.
The maximum temperature will be in line with the average highest temperature of 61.3°F in October. The lowest temperature will be notably lower than the average low of 45°F.

On Sunday, in Arnold, sunrise will be at 7:33 am and sunset at 6:34 pm (EDT).

Tomorrow in Arnold, the daylight will last for 11h and 1min.