O'Brien, California Weather
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Weather Forecast for O'Brien, California : Shasta County
Issued: 12:21 pm PDT Jul 1, 2025 Latitude: 40.8120946 Longitude: -122.3241746 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Independence Day Saturday Sunday Monday
30% chance of thunderstorms on This Afternoon 30% chance of thunderstorms on Tonight 20% chance of thunderstorms on Wednesday Sunny on Thursday Sunny on Independence Day Sunny on Saturday Sunny on Sunday Sunny on Monday
High: 92°F Low: 68°F High: 94°F High: 87°F High: 82°F High: 88°F High: 91°F High: 93°F
Low: 64°F Low: 59°F Low: 60°F Low: 63°F Low: 65°F  
Thunderstorms Thunderstorms Thunderstorms Sunny Sunny Sunny Sunny Sunny
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Current Conditions at
ARCATA - (KACV)
57°
Mostly Clear
as of 1:37 PM PDST
Rel. Humidity: 82%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
7 MPH
270° West
Cloud Level(s): Few at 500ft
30% chance of thunderstorms This Afternoon This Afternoon... A 30 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 92. Southwest wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
30% chance of thunderstorms Tonight Tonight... A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 68. Northwest wind around 6 mph becoming north northeast in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
20% chance of thunderstorms Wednesday Wednesday... A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 94. Light and variable wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of showers before 11pm. Mostly clear, with a low around 64. North wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunny on Thursday Thursday... Sunny, with a high near 87. North wind around 7 mph becoming south southwest in the morning.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 59.
Sunny on Independence Day Independence Day... Sunny, with a high near 82.
Clear on Friday Night Friday Night... Clear, with a low around 60.
Sunny on Saturday Saturday... Sunny, with a high near 88.
Clear on Saturday Night Saturday Night... Clear, with a low around 63.
Sunny on Sunday Sunday... Sunny, with a high near 91.
Clear on Sunday Night Sunday Night... Clear, with a low around 65.
Sunny on Monday Monday... Sunny, with a high near 93.
Current Radar Image


Sun Almanac for O'Brien, California
Sunrise: 05:42 AM
Sunset: 8:45 PM
Civil Sunrise:05:09 AM
Civil Sunset: 9:18 PM
Nautical Sunrise: 04:26 AM
Nautical Sunset: 10:00 PM
Astro Sunrise: 03:37 AM
Astro Sunset: 10:50 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.