Gypsum, California Weather
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Weather Forecast for Gypsum, California : Orange County
Issued: 1:00 pm PDT Sep 15, 2025 Latitude: 33.8772377 Longitude: -117.6928308 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 60% chance of thunderstorms on Thursday 10% chance of thunderstorms on Friday Sunny on Saturday Sunny on Sunday Sunny on Monday
Low: 65°F High: 94°F High: 89°F High: 85°F High: 85°F High: 88°F High: 89°F High: 89°F
Low: 66°F Low: 66°F Low: 65°F Low: 65°F Low: 64°F Low: 65°F  
Mostly Clear Sunny Mostly Sunny Thunderstorms Thunderstorms Sunny Sunny Sunny
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Current Conditions at
CHINO - (KCNO)
82°
Clear
as of 6:53 PM PDST
Rel. Humidity: 37%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
10 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
ONTARIO - (KONT)
86°
Clear
as of 6:53 PM PDST
Rel. Humidity: 35%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
12 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
RIVERSIDE - (KRAL)
84°
Clear
as of 6:53 PM PDST
Rel. Humidity: 32%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
8 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
FULLERTON - (KFUL)
77°
Clear
as of 6:53 PM PDST
Rel. Humidity: 65%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
5 MPH
190° South
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 65. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Sunny on Tuesday Tuesday... Sunny, with a high near 94. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 66. Southwest wind 10 to 15 mph becoming light south after midnight. Winds could gust as high as 20 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 89. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 66. Southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
20% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
10% chance of thunderstorms Friday Friday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 65.
Sunny on Saturday Saturday... Sunny, with a high near 88.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 64.
Sunny on Sunday Sunday... Sunny, with a high near 89.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 65.
Sunny on Monday Monday... Sunny, with a high near 89.
Current Radar Image


Sun Almanac for Gypsum, California
Sunrise: 06:35 AM
Sunset: 6:57 PM
Civil Sunrise:06:10 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
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.