Ontario, California Weather
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No Watches or Warnings for Ontario
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Weather Forecast for Ontario, California : San Bernardino County
Issued: 1:26 pm PDT Sep 19, 2021 Latitude: 34.0633443 Longitude: -117.6508876 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Clear on Tonight Sunny on Monday Sunny on Tuesday Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday Sunny on Sunday
Low: 59°F High: 91°F High: 95°F High: 96°F High: 91°F High: 87°F High: 84°F High: 84°F
Low: 63°F Low: 67°F Low: 68°F Low: 66°F Low: 62°F Low: 60°F  
Clear Sunny Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny Sunny
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Current Conditions at
ONTARIO - (KONT)
81°
Clear
as of 5:53 PM PDST
Rel. Humidity: 39%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
10 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
CHINO - (KCNO)
79°
Clear
as of 5:53 PM PDST
Rel. Humidity: 41%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
15 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
RIVERSIDE - (KRAL)
79°
Clear
as of 5:53 PM PDST
Rel. Humidity: 39%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
14 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
FULLERTON - (KFUL)
73°
Clear
as of 5:53 PM PDST
Rel. Humidity: 60%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
7 MPH
180° South
Cloud Level(s): Clear
Clear on Tonight Tonight... Clear, with a low around 59. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

Sunny on Monday Monday... Sunny, with a high near 91. Light and variable wind becoming west 5 to 10 mph in the afternoon.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 63. West wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 95. Light and variable wind becoming west 5 to 10 mph in the afternoon.

Clear on Tuesday Night Tuesday Night... Clear, with a low around 67. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

Sunny on Wednesday Wednesday... Sunny, with a high near 96.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 68.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 91.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 66.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 87.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 62.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 84.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 60.

Sunny on Sunday Sunday... Sunny, with a high near 84.

Sun Almanac for Ontario, California
Sunrise: 06:37 AM
Sunset: 6:51 PM
Civil Sunrise:06:12 AM
Civil Sunset: 7:16 PM
Nautical Sunrise: 05:43 AM
Nautical Sunset: 7:46 PM
Astro Sunrise: 05:13 AM
Astro Sunset: 8:15 PM
Moon Almanac for Ontario, California
Moon Phase: Full Moon
Moon Illumination: 99%
Moon Age: 13.8 Days
Moon is currently below the horizon
Distance from Moon to Earth: 240,341 miles
Upcoming Lunar Events for
Ontario:
Next EventEvent TimeIllum

Moonrise:06:39 pm Sun98.8%
High Moon:12:21 am Mon99.3%
Moonset:06:11 am Mon99.6%
Full Moon:04:55 pm Mon100.0%
New Moon: Mon Sep 6
First Quarter: Mon Sep 13
Full Moon: Mon Sep 20
Last Quarter: Tue Sep 28
New Moon: Wed Oct 6
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.