Weather forecast for 10 days
Ontario, CA

Weather forecast for the weekend

Saturday, May 3.

Cloudy
5:57 am

7:37 pm
PDT
Cloudy
68°F / 54°F
  • Wind: 12mph WSW
  • Humidity: 73%
  • Precip. probability: 8%
  • Precipitation: 0.04"
  • UV index: 6
Tomorrow, on Saturday, thick clouds will dominate the sky.
Minimal precipitation is predicted. Temperature span will be from a high of an agreeable 68°F to a low of a cool 53.6°F.
The lower temperature of 68°F is more typical of April than May.
Sunrise will be at 5:57 am and sunset at 7:37 pm; tomorrow's daylight will last for 13h and 40min.

Sunday, May 4.

Cloudy
5:56 am

7:38 pm
PDT
Cloudy
63°F / 54°F
  • Wind: 11mph SSW
  • Humidity: 66%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 7
On Sunday, in Ontario, cloudy weather is expected.
The temperature will peak at a comfortable 62.6°F during the day, slightly dropping to a low of a crisp 53.6°F at night.
On Sunday, the forecasted high of 62.6°F is more in line with April's average of 72.9°F than May's 76.6°F.
Sunrise will be at 5:56 am and sunset at 7:38 pm; the daylight will last for 13h and 42min.

Frequently asked questions

What is the weather forecast for Ontario for Sunday?
On Sunday, gray and overcast skies will be present.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 62.6°F, while the minimum temperature will be 53.6°F.
What is the weather forecast for Ontario for the next ten days?
In Ontario, a combination of cloudy and sun-filled weather is predicted for the next ten days.
How hot will it be in the next ten days?
The maximum temperature will range between 62.6°F and 87.8°F, while the minimum temperature will range between 53.6°F and 62.6°F.
What will be the hottest and the coldest days?
With a maximum temperature of 87.8°F, next Friday and Saturday will be the hottest days. The coldest day will be Sunday, with a maximum of 62.6°F.

Long-term weather forecast

FriMay 2.
  • 73°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WSW
  • Humidity: 53%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:58 am 7:36 pm PDT
SatMay 3.
  • 68°F
  • 54°F
Cloudy
Cloudy
  • Wind: 12mph WSW
  • Humidity: 73%
  • UV index: 6
  • Precip. probability: 8%
  • Precipitation: 0.04"
  • 5:57 am 7:37 pm PDT
SunMay 4.
  • 63°F
  • 54°F
Cloudy
Cloudy
  • Wind: 11mph SSW
  • Humidity: 66%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:56 am 7:38 pm PDT
MonMay 5.
  • 66°F
  • 54°F
Cloudy
Cloudy
  • Wind: 10mph WSW
  • Humidity: 70%
  • UV index: 6
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:55 am 7:39 pm PDT
TueMay 6.
  • 70°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WSW
  • Humidity: 67%
  • UV index: 9
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:54 am 7:39 pm PDT
WedMay 7.
  • 79°F
  • 57°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph WSW
  • Humidity: 54%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:53 am 7:40 pm PDT
ThuMay 8.
  • 86°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph WSW
  • Humidity: 42%
  • UV index: 9
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:52 am 7:41 pm PDT
FriMay 9.
  • 88°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph WSW
  • Humidity: 37%
  • UV index: 10
  • Precip. probability: 0%
  • Precipitation: 0"
  • 5:51 am 7:42 pm PDT
SatMay 10.
  • 88°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph WSW
  • Humidity: 37%
  • UV index: 10
  • Precip. probability: 0%
  • Precipitation: 0"
  • 5:50 am 7:43 pm PDT
SunMay 11.
  • 84°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WSW
  • Humidity: 43%
  • UV index: 10
  • Precip. probability: 0%
  • Precipitation: 0"
  • 5:50 am 7:43 pm PDT
A combination of overcast and bright weather is expected.
Rainfall is not anticipated in Ontario in the upcoming days.
Significant changes in temperature are expected in the upcoming days. Maximum temperatures are forecasted between 62.6°F and 87.8°F, while the low temperature range extends from 53.6°F to 62.6°F.
Next Friday and Saturday, with the highest temperature of 87.8°F, will be the hottest days in Ontario; expect the coldest day on Sunday with a high of 62.6°F.
Updated: May 2, 2025 @ 21:31:08 UTC
Published by: Weather U.S. | About Us
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