Weather forecast for 10 daysSouth Williamsport, PA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 61°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSSW 196°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:22 pm EDT
  • ▼
On Sunday, October 18, the outlook remains bright and sunny.
Substantial temperature fluctuations from a high of a comfortable 60.8°F to a low of a wintry 32°F are forecasted.
Today, the anticipated peak temperature is expected to mirror October's average high of 59.4°F.
Sunrise was at 7:23 am and sunset will be at 6:22 pm; the daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Warmest day: Tuesday 70°C.
Minimum temperature: 61°C.

Chance of precipitation

Highest chance: Saturday - Sunday 20%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 61°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSSW 196°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:22 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 4mphWNW 301°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:24 am EDT
  • Sunset: 6:21 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 9mphN 351°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:25 am EDT
  • Sunset: 6:19 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphN 355°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:26 am EDT
  • Sunset: 6:18 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 9mphNNW 336°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:27 am EDT
  • Sunset: 6:17 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 61°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphN 1°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:28 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 63°F
  • 32°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 4mphENE 65°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:30 am EDT
  • Sunset: 6:14 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 63°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 4mphW 273°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:31 am EDT
  • Sunset: 6:12 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphNW 308°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:32 am EDT
  • Sunset: 6:11 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 64°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 6mphNNW 339°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:33 am EDT
  • Sunset: 6:10 pm EDT
  • ▼
Across the following ten days, a combination of sunny and cloud-filled weather is predicted.
Rainfall is not expected in South Williamsport in the upcoming period.
In the upcoming days, the maximum temperature will vary between 60.8°F and 69.8°F, while the low temperature range extends from 32°F to 42.8°F.
Expect the warmest day on Tuesday, with temperatures peaking at 69.8°F; the coldest days will be Sunday and Friday, with a maximum of 60.8°F.
Updated: Oct 18, 2026 @ 14:31:32 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, skies will stay clear and sunny.

Today, the highest temperature will be 60.8°F, while the lowest temperature will be 32°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature will be notably lower than the average low of 42.6°F.

On Sunday, in South Williamsport, sunrise was at 7:23 am and sunset will be at 6:22 pm (EDT).

Today, the daylight will last for 10h and 59min.