Weather forecast for tomorrowOntario, OH

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 61°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphS 182°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:45 am EDT
  • Sunset: 6:45 pm EDT
  • ▼
Tomorrow, on Sunday, October 18, the outlook remains bright and sunny.
The temperature variation is expected to range from a maximum of a comfortable 60.8°F to a minimum of a wintry 35.6°F.
Expect temperatures to reach October's average high of 60.6°F.
Sunrise will be at 7:45 am and sunset at 6:45 pm; tomorrow's daylight will last for 11h and 1min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest period: 3 am - 6 am 34°C.

Chance of precipitation

Highest chance: 3 am - 6 am 6%.

Hourly weather forecast

  • 12 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphS 182°
  • Humidity: 87%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 36°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphS 186°
  • Humidity: 90%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 34°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphSSW 196°
  • Humidity: 90%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 34°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 189°
  • Humidity: 88%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:45 am
  • 8 am
  • 34°F
  • Feels like:
    28°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 177°
  • Humidity: 89%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 45°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphS 180°
  • Humidity: 67%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 54°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 179°
  • Humidity: 46%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphS 183°
  • Humidity: 35%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphS 185°
  • Humidity: 33%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 175°
  • Humidity: 41%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:45 pm
  • 8 pm
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 164°
  • Humidity: 54%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 164°
  • Humidity: 61%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, sunny conditions are likely to prevail.
The temperature will be between the lowest temperature of 33.8°F and the highest temperature of 60.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature tomorrow will be resembling the average high in October. Forecast models suggest a low more resembling November's typical minimum of 34°F than October's usual 45°F.
Updated: Oct 17, 2026 @ 18:58:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Ontario, a sun-drenched sky is anticipated.

Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be in line with the average highest temperature of 60.6°F in October. The lowest temperature will be notably lower than the average low of 45°F.

On Sunday, in Ontario, sunrise will be at 7:45 am and sunset at 6:45 pm (EDT).

In Ontario, the length of the day tomorrow will be 11h and 1min.