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Altamont, California Weather Forecast
Altamont, California Weather
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Weather Forecast for Altamont, California : Alameda County
Issued: 1:24 pm PST Dec 17, 2025 Latitude: 37.7438175 Longitude: -121.6627285 View on Google Maps

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Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on Tonight Partly Sunny on Thursday 80% chance of rain on Friday 60% chance of rain on Saturday Thunderstorms on Sunday 70% chance of rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
Low: 45°F High: 55°F High: 55°F High: 54°F High: 55°F High: 51°F High: 48°F High: 49°F
Low: 47°F Low: 52°F Low: 53°F Low: 50°F Low: 46°F Low: 47°F  
Mostly Cloudy Partly Sunny Rain Rain Thunderstorms Rain Rain Rain
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Current Conditions at
LIVERMORE - (KLVK)
57°
Partly Cloudy
as of 4:53 PM PST
Rel. Humidity: 93%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
3 MPH
270° West
Cloud Level(s): Scattered at 1500ft
Current Conditions at
STOCKTON - (KSCK)
61°
Clear
as of 4:55 PM PST
Rel. Humidity: 93%
Dew Point: 59°F
Visibility: 9 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
3 MPH
020° North
Cloud Level(s): Clear
Current Conditions at
HAYWARD - (KHWD)
57°
Mostly Clear
as of 4:54 PM PST
Rel. Humidity: 93%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
8 MPH
280° West
Cloud Level(s): Few at 500ft
Current Conditions at
CONCORD - (KCCR)
61°
Clear
as of 4:53 PM PST
Rel. Humidity: 87%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
3 MPH
230° Southwest
Cloud Level(s): Clear
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 45. Southwest wind around 7 mph.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 55. East southeast wind around 6 mph becoming light and variable in the morning.

10% chance of rain Thursday Night Thursday Night... A 10 percent chance of rain after 4am. Increasing clouds, with a low around 47. South southwest wind 5 to 7 mph.

80% chance of rain Friday Friday... Rain, mainly after 4pm. High near 55. South southwest wind around 10 mph, with gusts as high as 18 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 52. South southwest wind 10 to 13 mph, with gusts as high as 20 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 54. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

90% chance of rain Saturday Night Saturday Night... Rain. Low around 53. Chance of precipitation is 90%.

Thunderstorms on Sunday Sunday... Showers and possibly a thunderstorm. Cloudy, with a high near 55.

Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 50.

70% chance of rain Monday Monday... Rain likely. Cloudy, with a high near 51.

70% chance of rain Monday Night Monday Night... Rain likely. Cloudy, with a low around 46.

70% chance of rain Tuesday Tuesday... Rain likely. Cloudy, with a high near 48.

Rain on Tuesday Night Tuesday Night... Rain. Cloudy, with a low around 47.

70% chance of rain Wednesday Wednesday... Rain likely. Cloudy, with a high near 49.

Current Radar Image


Sun Almanac for Altamont, California
Sunrise: 07:16 AM
Sunset: 4:50 PM
Civil Sunrise:06:47 AM
Civil Sunset: 5:19 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:24 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.