Weather forecast for 10 daysWilliamsport, PA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 50°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphNNW 343°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:22 am EDT
  • Sunset: 6:24 pm EDT
  • ▼
Today, on Saturday, October 17, changing cloud patterns will allow for periods of sunshine.
The temperature scale will run from a maximum of a fresh 50°F to a minimum of a freezing 30.2°F.
Today, the forecast leans colder as the expected high better matches November's average of 46.2°F.
Sunrise was at 7:22 am and sunset will be at 6:24 pm; the daylight will last for 11h and 2min.

Sunday Oct 18, 2026

  • 63°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphSW 235°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:22 pm EDT
  • ▼
Tomorrow, on Sunday, conditions remain stable and sunny, with little cloud presence.
Temperature readings will considerable fluctuate from a daytime peak of a breezy 62.6°F to a nighttime low of a wintry 33.8°F.
The forecasted peak temperature will reflect the average October high of 59.4°F.
Sunrise will be at 7:23 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Warmest period: Monday - Tuesday 70°C.
Coldest day: today 50°C.

Chance of precipitation

Highest chance: 19%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 50°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphNNW 343°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:22 am EDT
  • Sunset: 6:24 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 63°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphSW 235°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:22 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 4mphNW 312°
  • Humidity: 56%
  • 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: 7%
  • Precipitation: 0"
  • Wind: 9mphN 352°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:25 am EDT
  • Sunset: 6:19 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphN 0°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:26 am EDT
  • Sunset: 6:18 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 68°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphNNW 339°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:27 am EDT
  • Sunset: 6:17 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 64°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 7mphN 359°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:29 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 63°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 5mphN 357°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:30 am EDT
  • Sunset: 6:14 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 5mphNNW 342°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:31 am EDT
  • Sunset: 6:12 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 6mphNW 324°
  • Humidity: 65%
  • UV index: 3
  • Sunrise: 7:32 am EDT
  • Sunset: 6:11 pm EDT
  • ▼
Across the following ten days, a combination of sun-filled and cloudy weather is anticipated.
Rain is not expected in Williamsport in the upcoming days.
Temperature differences will be noticeable in the next ten days. The maximum temperature will vary between 50°F and 69.8°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.
The warmest days in Williamsport will be Monday and Tuesday, with a maximum of 69.8°F; today is the coldest day, with a maximum temperature of 50°F.
Updated: Oct 17, 2026 @ 15:34:23 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, sunny moments will alternate with patchy cloud cover.

Today, the highest temperature will be 50°F, while the lowest temperature will be 30.2°F.
Today, the highest temperature will be significantly lower than the average maximum of 59.4°F in October. Today, the lowest temperature will be also uncommonly lower than the average low of 42.6°F.

On Saturday, in Williamsport, sunrise was at 7:22 am and sunset will be at 6:24 pm (EDT).

In Williamsport, today, there will be 11h and 2min of daylight.

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

Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 33.8°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature will be slightly cooler than the average low of 42.6°F.

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

In Williamsport, tomorrow, there will be 10h and 59min of daylight.