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Brightside, California Weather Forecast
Brightside, California Weather
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Weather Forecast for Brightside, California : Alameda County
Issued: 2:08 am PST Dec 18, 2025 Latitude: 37.5991005 Longitude: -121.9244028 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Partly Sunny on Today Mostly Cloudy on Tonight 80% chance of rain on Friday 60% chance of rain on Saturday 90% chance of rain on Sunday Rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
High: 59°F Low: 53°F High: 58°F High: 58°F High: 58°F High: 55°F High: 55°F High: 54°F
Low: 53°F Low: 55°F Low: 53°F Low: 49°F Low: 49°F  
Partly Sunny Mostly Cloudy Rain Rain Rain Rain Rain Rain
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Current Conditions at
LIVERMORE - (KLVK)
54°
Cloudy
Mist
as of 4:01 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 1 1/4 Miles
Pressure: 30.13 in.
Flight Rule: LIFR
Wind Data
5 MPH
170° South
Cloud Level(s): Solid Overcast at 400ft
Current Conditions at
HAYWARD - (KHWD)
52°
Cloudy
as of 3:54 AM PST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 500ft
Current Conditions at
MOUNTAIN VIEW NAS - (KNUQ)
45°
Clear
as of 3:50 AM PST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Partly Sunny on Today Today... Partly sunny, with a high near 59. Calm wind becoming west around 5 mph in the afternoon.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a steady temperature around 53. West wind 3 to 6 mph.

80% chance of rain Friday Friday... Rain, mainly after 4pm. High near 58. South southwest wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

80% chance of rain Friday Night Friday Night... Rain, mainly before 10pm. Low around 53. South wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

60% chance of rain Saturday Saturday... Rain likely, mainly after 10am. Cloudy, with a high near 58. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

90% chance of rain Saturday Night Saturday Night... Rain. Low around 55. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

90% chance of rain Sunday Sunday... Rain. High near 58. Chance of precipitation is 90%.

Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 53.

Rain on Monday Monday... Rain. Cloudy, with a high near 55.

70% chance of rain Monday Night Monday Night... Rain likely. Cloudy, with a low around 49.

70% chance of rain Tuesday Tuesday... Rain likely. Cloudy, with a high near 55.

70% chance of rain Tuesday Night Tuesday Night... Rain likely. Mostly cloudy, with a low around 49.

70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 54.

Current Radar Image


Sun Almanac for Brightside, California
Sunrise: 07:18 AM
Sunset: 4:52 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:21 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:54 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:26 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.