Weather forecast for 10 daysWilliamsport, PA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 63°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSW 228°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:22 pm EDT
  • ▼
On Sunday, October 18, expect consistent sunshine and open skies.
A significant variation in temperature is forecasted, ranging from a high of a breezy 62.6°F to a low of an icy 33.8°F.
This predicted maximum temperature is expected to mirror October's typical high of 59.4°F.
Sunrise will be at 7:23 am and sunset at 6:22 pm; the daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Warmest period: tomorrow - Tuesday 70°C.
Coldest period: Friday - Saturday 61°C.

Chance of precipitation

Highest chance: Saturday - Sunday 20%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 63°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSW 228°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:22 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 4mphWNW 302°
  • 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: 8%
  • Precipitation: 0"
  • Wind: 9mphN 350°
  • Humidity: 58%
  • 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 337°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:27 am EDT
  • Sunset: 6:17 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 61°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphN 0°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:29 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 61°F
  • 32°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 5mphENE 59°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:30 am EDT
  • Sunset: 6:14 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 63°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 4mphW 272°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:31 am EDT
  • Sunset: 6:12 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphNW 307°
  • Humidity: 61%
  • 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: 7mphNNW 335°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 7:33 am EDT
  • Sunset: 6:10 pm EDT
  • ▼
Looking ahead to the next ten days, primarily dry and sunny and occasionally cloudy weather is forecasted.
Rain is not expected in Williamsport in the upcoming days.
In the upcoming period, 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.
The warmest days will be Monday and Tuesday, with a maximum of 69.8°F; Friday and Saturday, with the highest temperature of 60.8°F, will be the coldest days.
Updated: Oct 18, 2026 @ 10:15:39 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, sunny conditions are expected to continue.

Today, the maximum temperature will be 62.6°F, while the minimum temperature will be 33.8°F.
Today, the highest temperature will be in line with the average maximum temperature in October. Today, the lowest temperature will be a couple of degrees lower than the average low temperature.

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

In Williamsport, the length of the day today will be 10h and 59min.