North Ontario, California Weather
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Weather Forecast for North Ontario, California : San Bernardino County
Issued: 1:26 am PDT Aug 16, 2025 Latitude: 34.0941768 Longitude: -117.6511655 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Morning Fog on Today Patchy Fog on Tonight Morning Fog on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday Sunny on Friday
High: 83°F Low: 61°F High: 85°F High: 90°F High: 90°F High: 93°F High: 97°F High: 97°F
Low: 61°F Low: 63°F Low: 65°F Low: 69°F Low: 71°F  
Morning Fog Patchy Fog Morning Fog Sunny Sunny Sunny Sunny Sunny
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Current Conditions at
ONTARIO - (KONT)
66°
Cloudy
Haze
as of 9:26 AM PDST
Rel. Humidity: 77%
Dew Point: 59°F
Visibility: 4 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
CHINO - (KCNO)
66°
Cloudy
Haze
as of 8:53 AM PDST
Rel. Humidity: 82%
Dew Point: 61°F
Visibility: 6 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1400ft
Current Conditions at
RIVERSIDE - (KRAL)
64°
Cloudy
Haze
as of 8:53 AM PDST
Rel. Humidity: 82%
Dew Point: 59°F
Visibility: 6 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
3 MPH
020° North
Cloud Level(s): Solid Overcast at 1100ft
Current Conditions at
FULLERTON - (KFUL)
68°
Cloudy
as of 8:53 AM PDST
Rel. Humidity: 72%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: MVFR
Wind Data
3 MPH
180° South
Cloud Level(s): Solid Overcast at 1900ft
Morning Fog on Today Today... Patchy fog before 11am. Otherwise, sunny, with a high near 83. West wind 5 to 10 mph, with gusts as high as 20 mph.
Patchy Fog on Tonight Tonight... Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 61. West wind 5 to 15 mph, with gusts as high as 20 mph.
Morning Fog on Sunday Sunday... Patchy fog before 8am. Otherwise, sunny, with a high near 85. West wind 5 to 15 mph, with gusts as high as 20 mph.
Clear on Sunday Night Sunday Night... Clear, with a low around 61. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Sunny on Monday Monday... Sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Clear on Monday Night Monday Night... Clear, with a low around 63.
Sunny on Tuesday Tuesday... Sunny, with a high near 90.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 65.
Sunny on Wednesday Wednesday... Sunny, with a high near 93.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 69.
Sunny on Thursday Thursday... Sunny, with a high near 97.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 71.
Sunny on Friday Friday... Sunny, with a high near 97.
Current Radar Image


Sun Almanac for North Ontario, California
Sunrise: 06:13 AM
Sunset: 7:36 PM
Civil Sunrise:05:47 AM
Civil Sunset: 8:03 PM
Nautical Sunrise: 05:15 AM
Nautical Sunset: 8:34 PM
Astro Sunrise: 04:43 AM
Astro Sunset: 9:07 PM
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.