O'Brien, California Weather
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Weather Forecast for O'Brien, California : Shasta County
Issued: 1:21 pm PDT Aug 16, 2025 Latitude: 40.8120946 Longitude: -122.3241746 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday
30% chance of thunderstorms on This Afternoon 50% chance of thunderstorms on Tonight Mostly Cloudy on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday Sunny on Friday
High: 84°F Low: 61°F High: 81°F High: 81°F High: 86°F High: 92°F High: 97°F High: 97°F
Low: 56°F Low: 57°F Low: 61°F Low: 64°F Low: 65°F  
Thunderstorms Thunderstorms Mostly Cloudy Sunny Sunny Sunny Sunny Sunny
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Current Conditions at
REDDING - (KRDD)
88°
Clear
as of 12:53 PM PDST
Rel. Humidity: 35%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
7 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
MT SHASTA - (KMHS)
73°
Cloudy
as of 12:56 PM PDST
Rel. Humidity: 56%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 11000ft
Current Conditions at
RED BLUFF - (KRBL)
84°
Clear
as of 12:54 PM PDST
Rel. Humidity: 42%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 16 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
ARCATA - (KACV)
63°
Cloudy
Mist
as of 1:43 PM PDST
Rel. Humidity: 93%
Dew Point: 61°F
Visibility: 2 Miles
Pressure: 30.06 in.
Flight Rule: LIFR
Wind Data
14 MPH
330° Northwest
Cloud Level(s): Solid Overcast at 200ft
30% chance of thunderstorms This Afternoon This Afternoon... A 30 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 84. South wind around 6 mph.
50% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms before 11pm, then a slight chance of showers after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 61. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Cloudy on Sunday Sunday... Mostly cloudy, then gradually becoming sunny, with a high near 81. South wind 3 to 8 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 56. South wind 3 to 8 mph.
Sunny on Monday Monday... Sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.
Clear on Monday Night Monday Night... Clear, with a low around 57.
Sunny on Tuesday Tuesday... Sunny, with a high near 86.
Clear on Tuesday Night Tuesday Night... Clear, with a low around 61.
Sunny on Wednesday Wednesday... Sunny, with a high near 92.
Clear on Wednesday Night Wednesday Night... Clear, with a low around 64.
Sunny on Thursday Thursday... Sunny and hot, with a high near 97.
Clear on Thursday Night Thursday Night... Clear, with a low around 65.
Sunny on Friday Friday... Sunny and hot, with a high near 97.
Current Radar Image


Sun Almanac for O'Brien, California
Sunrise: 06:21 AM
Sunset: 8:06 PM
Civil Sunrise:05:52 AM
Civil Sunset: 8:35 PM
Nautical Sunrise: 05:16 AM
Nautical Sunset: 9:11 PM
Astro Sunrise: 04:38 AM
Astro Sunset: 9:49 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.