Weather forecast for tomorrow
Ontario, CA

Weather forecast for tomorrow

Sunday, Apr 20.

Mostly Sunny
6:11 am

7:27 pm
PDT
Mostly Sunny
79°F / 54°F
  • Wind: 12mph SW
  • Humidity: 38%
  • Precip. probability: 1%
  • Precipitation: 0"
  • UV index: 9
Tomorrow, in Ontario, sunshine will lead the day, with clouds making only brief appearances.
The maximum anticipated temperature is a warm 78.8°F, while the minimum temperature will be a crisp 53.6°F.
The maximum temperature will be higher and more in tune with May's average of 76.6°F than with April's.
Sunrise will be at 6:11 am and sunset at 7:27 pm; tomorrow's daylight will last for 13h and 16min.

Frequently asked questions

What is the weather forecast for Ontario for tomorrow?
Tomorrow, sunshine will dominate, with only occasional cloud cover.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 78.8°F, while the minimum temperature will be 53.6°F.
Tomorrow, the maximum temperature will be relatively higher than the average highest temperature in April. Tomorrow, the lowest temperature will be in line with the average low temperature.
What time are sunrise and sunset tomorrow?
On Sunday, in Ontario, sunrise will be at 6:11 am and sunset at 7:27 pm (PDT).
How many hours of daylight will Ontario have tomorrow?
Tomorrow, the daylight will last for 13h and 16min.

Hourly weather forecast

12 am
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Wind: 2mph WNW
  • Pressure: 30.06"Hg
  • Humidity: 63%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 9mi
2 am
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Wind: 3mph NNW
  • Pressure: 30.06"Hg
  • Humidity: 68%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 9mi
4 am
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Wind: 2mph WNW
  • Pressure: 30.03"Hg
  • Humidity: 71%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 9mi
6 am
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Wind: 2mph NW
  • Pressure: 30.06"Hg
  • Humidity: 73%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 9mi
Sunrise: 6:11 am
8 am
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Wind: 2mph SSE
  • Pressure: 30.06"Hg
  • Humidity: 61%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 9mi
10 am
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Wind: 2mph SSW
  • Pressure: 30.06"Hg
  • Humidity: 44%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Wind: 5mph WSW
  • Pressure: 30"Hg
  • Humidity: 32%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WSW
  • Pressure: 29.97"Hg
  • Humidity: 26%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WSW
  • Pressure: 29.94"Hg
  • Humidity: 27%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WSW
  • Pressure: 29.94"Hg
  • Humidity: 29%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 7:27 pm
8 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WSW
  • Pressure: 29.97"Hg
  • Humidity: 42%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
10 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph WSW
  • Pressure: 30"Hg
  • Humidity: 53%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Sunday, a combination of sun-filled and overcast weather is forecasted.
The temperature will be between the lowest temperature of 51.8°F and the highest temperature of 78.8°F. The warmest part of the day is expected around 3 pm.
The expected high tomorrow will reflect May's average of 76.6°F rather than April's. The temperature low is forecasted to be close to the usual April value of 50.2°F.
Updated: Apr 19, 2025 @ 12:29:31 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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