Weather forecast for 10 daysPort William, OH

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 8mphSE 128°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:48 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
Tomorrow, on Sunday, October 18, bright and sunny weather is also expected.
Temperatures are set to span a considerable range, with a high of a comfortable 64.4°F and a low of an icy 35.6°F.
The highest temperature is predicted to follow the average for October, around 62.8°F.
Sunrise will be at 7:48 am and sunset at 6:51 pm; tomorrow's daylight will last for 11h and 4min.

10-day overview

Daily temperatures

Maximum temperature: 72°C.
Coldest day: tomorrow 64°C.

Chance of precipitation

Highest chance: Wednesday 8%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 34°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphNE 56°
  • Humidity: 87%
  • UV index: 0
  • Sunrise: 7:47 am EDT
  • Sunset: 6:53 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 8mphSE 128°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:48 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphENE 68°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:49 am EDT
  • Sunset: 6:50 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphNE 42°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:50 am EDT
  • Sunset: 6:49 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 70°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphNNE 27°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:51 am EDT
  • Sunset: 6:47 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 68°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphNNE 25°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:52 am EDT
  • Sunset: 6:46 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 70°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphNE 56°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:53 am EDT
  • Sunset: 6:45 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 70°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphE 84°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:54 am EDT
  • Sunset: 6:43 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 70°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphNNE 25°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:56 am EDT
  • Sunset: 6:42 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 72°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphN 359°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:57 am EDT
  • Sunset: 6:41 pm EDT
  • ▼
Forecasts for the ten-day outlook show that primarily dry and sunny and occasionally dull weather is anticipated.
Rainfall is not predicted in Port William in the upcoming days.
In the coming days, the highest temperature will vary between 64.4°F and 71.6°F, while the lowest temperature will be between 33.8°F and 42.8°F.
Tuesday and next Monday, with the highest temperature of 71.6°F, will be the warmest days; the lowest daytime temperature of the period will be reached on Sunday, peaking at 64.4°F.
Updated: Oct 18, 2026 @ 00:44:57 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, expect bright skies and plenty of sunshine.

Tomorrow, the highest temperature in Port William will be 64.4°F, while the lowest temperature will be 35.6°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be notably lower than the average low of 46.6°F.

On Sunday, in Port William, sunrise will be at 7:48 am and sunset at 6:51 pm (EDT).

In Port William, tomorrow, there will be 11h and 4min of daylight.