Weather forecast for 10 daysOntario, WI
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 16mphSSW 203°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:20 am CDT
- Sunset: 6:14 pm CDT
- details ▼
Today, in Ontario, sunshine will likely continue with scattered clouds at most.
The maximum temperature will be a breezy 64.4°F, while the minimum predicted temperature is a wintry 39.2°F.
The day's peak of 64.4°F reflects September's seasonal pattern more than October's.
Sunrise was at 7:20 am and sunset will be at 6:14 pm; the daylight will last for 10h and 53min.
The maximum temperature will be a breezy 64.4°F, while the minimum predicted temperature is a wintry 39.2°F.
The day's peak of 64.4°F reflects September's seasonal pattern more than October's.
Sunrise was at 7:20 am and sunset will be at 6:14 pm; the daylight will last for 10h and 53min.
10-day overview
Daily temperatures
Warmest day: Thursday 73°C.
Minimum temperature: 64°C.
Minimum temperature: 64°C.
Chance of precipitation
Highest chance: Monday 26.10. 18%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 16mphSSW 203°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:20 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 39°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphSSW 192°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:21 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphSSE 152°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:23 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 45°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphSSW 199°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:24 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 73°F
- 46°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 5mphSSE 149°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:25 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 52°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 10mphSSE 155°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:27 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 52°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 13mphS 171°
- Humidity: 54%
- UV index: 2
- Sunrise: 7:28 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 68°F
- 48°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 7mphWSW 250°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:29 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 64°F
- 45°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 6mphESE 108°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:30 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 64°F
- 48°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 8mphSE 130°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:32 am CDT
- Sunset: 6:00 pm CDT
- details ▼
Conditions over the next ten days suggest that a combination of dull and mostly clear weather is expected.
Rainfall is not forecasted in Ontario in the upcoming days.
In the coming days, the highest temperature will range between 64.4°F and 73.4°F, while the lowest nightly temperature differences will be quite pronounced, as temperatures overnight will fluctuate from 39.2°F up to 51.8°F.
Thursday will be the warmest day, with a maximum temperature of 73.4°F; the coldest days will be Sunday, next Monday and Tuesday, with a maximum of 64.4°F.
Rainfall is not forecasted in Ontario in the upcoming days.
In the coming days, the highest temperature will range between 64.4°F and 73.4°F, while the lowest nightly temperature differences will be quite pronounced, as temperatures overnight will fluctuate from 39.2°F up to 51.8°F.
Thursday will be the warmest day, with a maximum temperature of 73.4°F; the coldest days will be Sunday, next Monday and Tuesday, with a maximum of 64.4°F.
Updated: Oct 18, 2026 @ 12:21:37 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, in Ontario, clear skies and sunshine are anticipated.
Today, the maximum temperature will be 64.4°F, while the minimum temperature will be 39.2°F.
Today, the maximum temperature will be moderately higher than the average highest temperature in October. Today, the lowest temperature will be in line with the average low temperature.
Today, the maximum temperature will be moderately higher than the average highest temperature in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Ontario, sunrise was at 7:20 am and sunset will be at 6:14 pm (CDT).
Today, the daylight will last for 10h and 53min.
