San Antonio Heights, California Weather
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Weather Forecast for San Antonio Heights, California : San Bernardino County
Issued: 1:00 pm PDT Sep 15, 2025 Latitude: 34.1555638 Longitude: -117.6564437 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Tonight Sunny on Tuesday Mostly Sunny on Wednesday 70% chance of thunderstorms on Thursday 10% chance of thunderstorms on Friday Sunny on Saturday Sunny on Sunday Sunny on Monday
Low: 71°F High: 89°F High: 85°F High: 78°F High: 79°F High: 82°F High: 83°F High: 84°F
Low: 71°F Low: 68°F Low: 67°F Low: 67°F Low: 68°F Low: 68°F  
Mostly Clear Sunny Mostly Sunny Thunderstorms Thunderstorms Sunny Sunny Sunny
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Current Conditions at
ONTARIO - (KONT)
82°
Clear
as of 7:53 PM PDST
Rel. Humidity: 48%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
10 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
CHINO - (KCNO)
75°
Clear
as of 7:53 PM PDST
Rel. Humidity: 60%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
RIVERSIDE - (KRAL)
82°
Clear
as of 7:53 PM PDST
Rel. Humidity: 37%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
3 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
FULLERTON - (KFUL)
73°
Clear
as of 7:53 PM PDST
Rel. Humidity: 69%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 71. Calm wind becoming north around 5 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 71. West wind 5 to 10 mph becoming light northwest in the evening.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 68. Southwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
20% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
10% chance of thunderstorms Friday Friday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 67.
Sunny on Saturday Saturday... Sunny, with a high near 82.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 68.
Sunny on Sunday Sunday... Sunny, with a high near 83.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 68.
Sunny on Monday Monday... Sunny, with a high near 84.
Current Radar Image


Sun Almanac for San Antonio Heights, California
Sunrise: 06:34 AM
Sunset: 6:57 PM
Civil Sunrise:06:09 AM
Civil Sunset: 7:22 PM
Nautical Sunrise: 05:40 AM
Nautical Sunset: 7:51 PM
Astro Sunrise: 05:10 AM
Astro Sunset: 8:21 PM
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