Ontario, California Weather
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Weather Forecast for Ontario, California : San Bernardino County
Issued: 1:02 pm PDT Mar 12, 2025 Latitude: 34.0633443 Longitude: -117.6508876 View on Google Maps

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This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
50% chance of rain on This Afternoon 100% chance of rain on Tonight 90% chance of thunderstorms on Thursday 50% chance of rain on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday 20% chance of rain on Monday 20% chance of rain on Tuesday
High: 61°F Low: 46°F High: 54°F High: 51°F High: 63°F High: 71°F High: 66°F High: 65°F
Low: 39°F Low: 43°F Low: 45°F Low: 50°F Low: 45°F  
Rain Rain Thunderstorms Rain Mostly Sunny Mostly Sunny Rain Rain
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Current Conditions at
ONTARIO - (KONT)
63°
Mostly Cloudy
as of 1:53 PM PDST
Rel. Humidity: 59%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 28 MPH
230° Southwest
Cloud Level(s): Broken at 3600ft, Broken at 25000ft
Current Conditions at
CHINO - (KCNO)
63°
Mostly Cloudy
as of 1:53 PM PDST
Rel. Humidity: 63%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 28 MPH
230° Southwest
Cloud Level(s): Broken at 3500ft, Broken at 5500ft
Current Conditions at
RIVERSIDE - (KRAL)
66°
Mostly Cloudy
as of 1:53 PM PDST
Rel. Humidity: 52%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
13 MPH
200° South
Cloud Level(s): Few at 3500ft, Broken at 6500ft
Current Conditions at
FULLERTON - (KFUL)
61°
Cloudy
Light Rain
as of 2:07 PM PDST
Rel. Humidity: 31%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: MVFR
Wind Data
8 MPH
150° Southeast
Cloud Level(s): Scattered at 1900ft, Broken at 2300ft, Solid Overcast at 3300ft
50% chance of rain This Afternoon This Afternoon... A chance of showers. Cloudy, with a high near 61. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Tonight Tonight... Showers likely before 11pm, then rain after 11pm. The rain could be heavy at times. Low around 46. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
90% chance of thunderstorms Thursday Thursday... Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 54. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
20% chance of rain Thursday Night Thursday Night... A slight chance of rain before 11pm. Partly cloudy, with a low around 39. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
50% chance of rain Friday Friday... A chance of rain after 11am. Partly sunny, with a high near 51. Calm wind becoming west around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
30% chance of rain Friday Night Friday Night... A chance of rain before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 43. Chance of precipitation is 30%.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 63.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 45.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 71.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 50.
20% chance of rain Monday Monday... A chance of rain. Mostly sunny, with a high near 66.
20% chance of rain Monday Night Monday Night... A chance of rain. Partly cloudy, with a low around 45.
20% chance of rain Tuesday Tuesday... A chance of rain. Sunny, with a high near 65.
Current Radar Image


Sun Almanac for Ontario, California
Sunrise: 07:04 AM
Sunset: 6:56 PM
Civil Sunrise:06:39 AM
Civil Sunset: 7:21 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 7:50 PM
Astro Sunrise: 05:41 AM
Astro Sunset: 8:19 PM
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