Weather forecast for 10 daysArnold, PA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 52°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 13mphNNW 338°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:32 am EDT
  • Sunset: 6:36 pm EDT
  • ▼
Today, in Arnold, a partly cloudy sky is anticipated.
Temperatures will oscillate between a crisp 51.8°F at their highest and a harsh 30.2°F at their lowest.
Today, the high of 51.8°F will be lower and more in line with November's typical maximum of 48.4°F than October's 61.3°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
  • ▼
Tomorrow, on Sunday, conditions remain stable and sunny, with little cloud presence.
The temperature will peak at a breezy 60.8°F during the day, dropping to a low of a cold 32°F at night.
The highest temperature is anticipated to follow the average for October, around 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
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 13mphNNW 338°
  • Humidity: 47%
  • 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 42°
  • 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 1°
  • Humidity: 61%
  • 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 40°
  • 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 96°
  • 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 270°
  • Humidity: 68%
  • UV index: 4
  • Sunrise: 7:42 am EDT
  • Sunset: 6:23 pm EDT
  • ▼
Forecasts for the ten-day outlook show that primarily clear and occasionally dull weather is anticipated.
Rainfall is not expected in Arnold in the upcoming period.
Expect a substantial fluctuation in daytime highs throughout the forecast window. The temperature is expected to swing from 51.8°F up to 68°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 30.2°F and 44.6°F.
With a maximum temperature of 68°F, Monday, Tuesday and next Monday will be the warmest days in Arnold; today is the coldest day, with a maximum temperature of 51.8°F.
Updated: Oct 17, 2026 @ 16:18:41 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, occasional clouds will pass by, but expect bright spells.

Today, the highest temperature will be 51.8°F, while the lowest temperature will be 30.2°F.
The highest temperature will be significantly lower than the average maximum of 61.3°F in October. The lowest temperature will be also notably 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, today, there will be 11h and 4min of daylight.

Tomorrow, sunny skies are in store, with excellent visibility.

Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 32°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be uncommonly 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).

In Arnold, tomorrow, there will be 11h and 1min of daylight.