Weather forecast for 10 days
Ontario, CA

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Weather forecast for the weekend

Weather forecast - Saturday, Dec 21.

Mostly Sunny
6:51 am

4:46 pm
PST
Mostly Sunny
72°F / 52°F
  • Wind: 7mph W
  • Humidity: 44%
  • Precip. probability: 1%
  • Precipitation: 0"
  • UV index: 3
On Saturday, in Ontario, primarily bright and sunny weather is expected.
Temperatures will oscillate between an agreeable 71.6°F (22°C) at their highest and a cool 51.8°F (11°C) at their lowest.
The maximum temperature today will be higher and more in line with November's average highest temperature of 70.7°F (21.5°C) than December's of 62.1°F (16.7°C).
Sunrise will be at 6:51 am and sunset at 4:46 pm; the daylight will last for 9h and 56min.

Weather forecast - Sunday, Dec 22.

Cloudy
6:51 am

4:47 pm
PST
Cloudy
70°F / 50°F
  • Wind: 7mph WSW
  • Humidity: 48%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 2
Tomorrow, in Ontario, the sky will also be clouded.
The highest temperature will be a pleasant 69.8°F (21°C), while the lowest temperature will be a cool 50°F (10°C).
The highest temperature of 69.8°F (21°C) will be more in line with November's average maximum of 70.7°F (21.5°C) than the average maximum of 62.1°F (16.7°C) in December.
Sunrise will be at 6:51 am and sunset at 4:47 pm; tomorrow's daylight will last for 9h and 56min.

Frequently asked questions

What is the weather forecast for Ontario for tomorrow?

Tomorrow, in Ontario, cloudy weather is expected.

What will be the maximum temperature tomorrow?

Tomorrow, the maximum temperature will be 69.8°F (21°C), while the minimum temperature will be 50°F (10°C).
The highest temperature will be a few degrees higher than the average maximum of 62.1°F (16.7°C) in December. Tomorrow, the lowest temperature will be also relatively higher than the average low temperature.

When are sunrise and sunset tomorrow?

On Sunday, in Ontario, sunrise will be at 6:51 am and sunset at 4:47 pm (PST).

How many hours of daylight will Ontario have tomorrow?

Tomorrow, the daylight will last for 9h and 56min.

What is the weather forecast for Ontario for the next ten days?

In Ontario, a combination of predominantly cloudy and occasionally sunny and rainy weather is forecasted for the next ten days.

Will it rain in the next ten days?

Rainfall is forecasted only for Tuesday. With a probability of 61%, light precipitation of 0.16" (4mm) is expected.

How warm will it be in the next ten days?

The maximum temperature will vary between 60.8°F (16°C) and 75.2°F (24°C), while the minimum temperature will be between 46.4°F (8°C) and 53.6°F (12°C).

What will be the warmest and the coldest days?

Next Monday will be the warmest day, with a maximum temperature of 75.2°F (24°C). Tuesday will be the coldest day, with a maximum temperature of 60.8°F (16°C).

Long-term weather forecast

10 days weather forecast - Ontario, CA

SatDec 21.
  • 72°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph W
  • Humidity: 44%
  • UV index: 3
  • Precip. probability: 1%
  • Precipitation: 0"
  • 6:51 am 4:46 pm PST
SunDec 22.
  • 70°F
  • 50°F
Cloudy
Cloudy
  • Wind: 7mph WSW
  • Humidity: 48%
  • UV index: 2
  • Precip. probability: 2%
  • Precipitation: 0"
  • 6:51 am 4:47 pm PST
MonDec 23.
  • 72°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph W
  • Humidity: 54%
  • UV index: 3
  • Precip. probability: 3%
  • Precipitation: 0"
  • 6:52 am 4:48 pm PST
TueDec 24.
  • 61°F
  • 48°F
Showers
Showers
  • Wind: 9mph WSW
  • Humidity: 80%
  • UV index: 2
  • Precip. probability: 61%
  • Precipitation: 0.16"
  • 6:52 am 4:48 pm PST
WedDec 25.
  • 64°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph W
  • Humidity: 61%
  • UV index: 3
  • Precip. probability: 5%
  • Precipitation: 0"
  • 6:52 am 4:49 pm PST
ThuDec 26.
  • 64°F
  • 46°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 7mph WSW
  • Humidity: 48%
  • UV index: 2
  • Precip. probability: 1%
  • Precipitation: 0"
  • 6:53 am 4:49 pm PST
FriDec 27.
  • 68°F
  • 48°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph W
  • Humidity: 48%
  • UV index: 3
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:53 am 4:50 pm PST
SatDec 28.
  • 73°F
  • 52°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph W
  • Humidity: 43%
  • UV index: 2
  • Precip. probability: 1%
  • Precipitation: 0"
  • 6:53 am 4:51 pm PST
SunDec 29.
  • 73°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph WSW
  • Humidity: 40%
  • UV index: 3
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:54 am 4:51 pm PST
MonDec 30.
  • 75°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph W
  • Humidity: 35%
  • UV index: 3
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:54 am 4:52 pm PST
For the next ten days, a combination of primarily cloudy and occasionally sunny and rainy weather is forecasted.
With a 61% probability, rainfall is expected only on Tuesday. The precipitation will be light at 0.16" (4mm).
Temperature variation will be noticeable in the upcoming period. The maximum temperature will range between 60.8°F (16°C) and 75.2°F (24°C), while the lowest temperature will range between 46.4°F (8°C) and 53.6°F (12°C).
The warmest day will be next Monday, with a maximum of 75.2°F (24°C); with the highest temperature of 60.8°F (16°C), Tuesday will be the coldest day.
December is the coldest month in Ontario, with an average high-temperature of 62.1°F (16.7°C) and an average low-temperature of 45.5°F (7.5°C).
Updated: Dec 21, 2024 @ 11:36:21 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate

Ontario, California, USA

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