Weather forecast for 10 days
Ontario, OR

Weather forecast for the weekend

Saturday, May 31.

Mostly Sunny
6:06 am

9:24 pm
MDT
Mostly Sunny
100°F / 63°F
  • Wind: 5mph SSW
  • Humidity: 27%
  • Precip. probability: 0%
  • Precipitation: 0"
  • UV index: 8
On Saturday, in Ontario, mostly sunny weather is likely, with high visibility.
A daytime temperature reaching up to a very hot 100.4°F will sharply contrast with a nighttime low of a comfortable 62.6°F.
The temperature of 100.4°F reflects June's climate better than May's.
Sunrise will be at 6:06 am and sunset at 9:24 pm; the daylight will last for 15h and 19min.

Sunday, Jun 1.

Partly Cloudy
6:05 am

9:25 pm
MDT
Partly Cloudy
82°F / 54°F
  • Wind: 16mph NW
  • Humidity: 27%
  • Precip. probability: 0%
  • Precipitation: 0"
  • UV index: 7
On Sunday, June 1, a partly cloudy outlook will keep the sky interesting throughout the day.
A notable temperature range, reaching a high of a warm 82.4°F and a low of a cool 53.6°F, is predicted.
It will be warmer, as the maximum temperature reflects June's norm of 81°F instead of May's.
Sunrise will be at 6:05 am and sunset at 9:25 pm; the daylight will last for 15h and 20min.

Frequently asked questions

What is the weather forecast for Ontario for Saturday?
On Saturday, sunshine will dominate, with only occasional cloud cover.
What will be the maximum temperature on Saturday?
On Saturday, the highest temperature will be 100.4°F, while the lowest temperature will be 62.6°F.
What is the weather forecast for Ontario for Sunday?
On Sunday, some passing clouds may drift through, but the sun will shine at times.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 82.4°F, while the lowest temperature will be 53.6°F.
What is the weather forecast for Ontario for the next ten days?
In Ontario, a combination of bright and overcast weather is forecasted for the next ten days.
How hot will it be in the next ten days?
The maximum temperature will vary between 77°F and 100.4°F, as the minimum temperature will range between 50°F and 62.6°F.
What will be the hottest and the coldest days in Ontario?
With the maximum temperature of 100.4°F, Saturday will be the hottest day. With a maximum temperature of 77°F, Monday will be the coldest day.

Long-term weather forecast

ThuMay 29.
  • 93°F
  • 57°F
Sunny
Sunny
  • Wind: 14mph WNW
  • Humidity: 33%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0"
  • 6:07 am 9:23 pm MDT
FriMay 30.
  • 93°F
  • 54°F
Sunny
Sunny
  • Wind: 7mph NW
  • Humidity: 27%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0"
  • 6:06 am 9:24 pm MDT
SatMay 31.
  • 100°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Wind: 5mph SSW
  • Humidity: 27%
  • UV index: 8
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:06 am 9:24 pm MDT
SunJun 1.
  • 82°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph NW
  • Humidity: 27%
  • UV index: 7
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:05 am 9:25 pm MDT
MonJun 2.
  • 77°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph NW
  • Humidity: 23%
  • UV index: 8
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:05 am 9:26 pm MDT
TueJun 3.
  • 79°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph NW
  • Humidity: 24%
  • UV index: 8
  • Precip. probability: 3%
  • Precipitation: 0"
  • 6:04 am 9:27 pm MDT
WedJun 4.
  • 82°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph NW
  • Humidity: 28%
  • UV index: 8
  • Precip. probability: 12%
  • Precipitation: 0"
  • 6:04 am 9:28 pm MDT
ThuJun 5.
  • 86°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Wind: 6mph WNW
  • Humidity: 29%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0"
  • 6:04 am 9:28 pm MDT
FriJun 6.
  • 86°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WNW
  • Humidity: 30%
  • UV index: 8
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:03 am 9:29 pm MDT
SatJun 7.
  • 82°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph NW
  • Humidity: 26%
  • UV index: 8
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:03 am 9:30 pm MDT
For the next ten days, a combination of bright and cloud-filled weather is predicted.
Rain is not anticipated in Ontario in the upcoming period.
Temperature differences will be noticeable throughout the forecast window. Highs will range from 77°F to 100.4°F, while the fluctuation in night temperatures will be also significant, as the minimum temperature is expected to range between 50°F and 62.6°F.
Saturday is expected to be the hottest, reaching up to 100.4°F; the lowest daytime temperature of the period will be reached on Monday, peaking at 77°F.
Updated: May 29, 2025 @ 13:15:28 UTC
Published by: Weather Atlas | About Us
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