Weather forecast for 10 days
Ontario, CA

Weather forecast for the weekend

Saturday, Apr 12.

AM Clouds / PM Sun
6:21 am

7:21 pm
PDT
AM Clouds / PM Sun
82°F / 54°F
  • Wind: 13mph WSW
  • Humidity: 36%
  • Precip. probability: 0%
  • Precipitation: 0"
  • UV index: 6
Today, expect morning clouds but afternoon sunshine will take over.
A stark contrast will be observed between the day's peak temperature of a moderately hot 82.4°F and the night's low of a crisp 53.6°F.
The temperature will be higher and more consistent with May's average high of 76.6°F than with April's usual.
Sunrise was at 6:21 am and sunset will be at 7:21 pm; the daylight will last for 13h and 0min.

Sunday, Apr 13.

Partly Cloudy
6:19 am

7:22 pm
PDT
Partly Cloudy
79°F / 52°F
  • Wind: 12mph WSW
  • Humidity: 49%
  • Precip. probability: 7%
  • Precipitation: 0"
  • UV index: 8
Tomorrow, on Sunday, April 13, changing cloud patterns will allow for periods of sunshine.
The temperature will peak at a temperate 78.8°F during the day, dropping to a low of a cool 51.8°F at night.
With a forecast of 78.8°F, the day’s weather feels closer to May than April.
Sunrise will be at 6:19 am and sunset at 7:22 pm; tomorrow's daylight will last for 13h and 2min.

Frequently asked questions

What is the weather forecast for Ontario for tomorrow?
Tomorrow, moderate cloud cover will mix with sunshine throughout the day.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 78.8°F, while the lowest temperature will be 51.8°F.
The highest temperature will be a couple of degrees higher than the average maximum of 72.9°F in April. The lowest temperature will be in line with the average low of 50.2°F.
What time are sunrise and sunset tomorrow?
On Sunday, in Ontario, sunrise will be at 6:19 am and sunset at 7:22 pm (PDT).
How many hours of daylight will Ontario have tomorrow?
In Ontario, the length of the day tomorrow will be 13h and 2min.
What is the weather forecast for Ontario for the next ten days?
In Ontario, a combination of dull, mostly clear and showery weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is expected on Thursday and Friday in Ontario. Friday, with light precipitation of 0.16", will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will vary between 60.8°F and 82.4°F, while the minimum temperature will range between 48.2°F and 53.6°F.
What will be the warmest and the coldest days?
Today is the warmest day, with a maximum temperature of 82.4°F. Friday will be the coldest day, with a maximum temperature of 60.8°F.

Long-term weather forecast

SatApr 12.
  • 82°F
  • 54°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 13mph WSW
  • Humidity: 36%
  • UV index: 6
  • Precip. probability: 0%
  • Precipitation: 0"
  • 6:21 am 7:21 pm PDT
SunApr 13.
  • 79°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WSW
  • Humidity: 49%
  • UV index: 8
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:19 am 7:22 pm PDT
MonApr 14.
  • 81°F
  • 54°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 13mph WSW
  • Humidity: 44%
  • UV index: 6
  • Precip. probability: 4%
  • Precipitation: 0"
  • 6:18 am 7:22 pm PDT
TueApr 15.
  • 73°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Wind: 13mph WSW
  • Humidity: 50%
  • UV index: 8
  • Precip. probability: 4%
  • Precipitation: 0"
  • 6:17 am 7:23 pm PDT
WedApr 16.
  • 68°F
  • 52°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 14mph WSW
  • Humidity: 56%
  • UV index: 8
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:16 am 7:24 pm PDT
ThuApr 17.
  • 64°F
  • 50°F
Cloudy
Cloudy
  • Wind: 14mph WSW
  • Humidity: 58%
  • UV index: 5
  • Precip. probability: 11%
  • Precipitation: 0.08"
  • 6:14 am 7:25 pm PDT
FriApr 18.
  • 61°F
  • 48°F
Showers
Showers
  • Wind: 11mph WSW
  • Humidity: 66%
  • UV index: 6
  • Precip. probability: 45%
  • Precipitation: 0.16"
  • 6:13 am 7:25 pm PDT
SatApr 19.
  • 70°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Wind: 13mph WSW
  • Humidity: 56%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 6:12 am 7:26 pm PDT
SunApr 20.
  • 73°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph SW
  • Humidity: 54%
  • UV index: 9
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:11 am 7:27 pm PDT
MonApr 21.
  • 73°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph SW
  • Humidity: 55%
  • UV index: 9
  • Precip. probability: 3%
  • Precipitation: 0"
  • 6:10 am 7:28 pm PDT
Models point to a combination of gloomy, clear and showery weather is anticipated.
Rainfall is anticipated on Thursday and Friday.
Noticeable swings in temperature are expected in the next ten days. Maximum temperatures are forecasted between 60.8°F and 82.4°F, while the lowest nightly temperature differences will be negligible, as the overnight low will fall between 48.2°F and 53.6°F.
With a high of 82.4°F, today is the warmest day; expect the coldest day on Friday with a high of 60.8°F.
Updated: Apr 12, 2025 @ 17:19:36 UTC
Published by: Weather U.S. | About Us
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