Altamont, California Weather
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Weather Forecast for Altamont, California : Alameda County
Issued: 1:26 pm PDT Sep 15, 2025 Latitude: 37.7438175 Longitude: -121.6627285 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Clear on Tonight Sunny on Tuesday Sunny on Wednesday Partly Sunny on Thursday 20% chance of thunderstorms on Friday 10% chance of rain on Saturday Sunny on Sunday Sunny on Monday
Low: 64°F High: 93°F High: 92°F High: 83°F High: 82°F High: 81°F High: 80°F High: 83°F
Low: 63°F Low: 64°F Low: 62°F Low: 60°F Low: 58°F Low: 59°F  
Clear Sunny Sunny Partly Sunny Thunderstorms Rain Sunny Sunny
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Current Conditions at
LIVERMORE - (KLVK)
84°
Clear
as of 7:53 PM PDST
Rel. Humidity: 32%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
3 MPH
350° North
Cloud Level(s): Clear
Current Conditions at
STOCKTON - (KSCK)
81°
Clear
as of 7:55 PM PDST
Rel. Humidity: 36%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
3 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
HAYWARD - (KHWD)
73°
Clear
as of 7:54 PM PDST
Rel. Humidity: 60%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
6 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
CONCORD - (KCCR)
79°
Clear
as of 7:53 PM PDST
Rel. Humidity: 41%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
5 MPH
330° Northwest
Cloud Level(s): Clear
Clear on Tonight Tonight... Clear, with a low around 64. Southwest wind 8 to 11 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 93. Southwest wind 7 to 9 mph becoming north northeast in the morning.
Clear on Tuesday Night Tuesday Night... Clear, with a low around 63. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 92. West southwest wind 11 to 14 mph becoming northwest in the morning. Winds could gust as high as 22 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 64. West southwest wind 14 to 16 mph, with gusts as high as 24 mph.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 83.
30% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms before 11am, then a slight chance of showers. Mostly sunny, with a high near 82.
10% chance of rain Friday Night Friday Night... A slight chance of showers. Partly cloudy, with a low around 60.
10% chance of rain Saturday Saturday... A slight chance of showers before 11am. Mostly sunny, with a high near 81.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 58.
Sunny on Sunday Sunday... Sunny, with a high near 80.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 59.
Sunny on Monday Monday... Sunny, with a high near 83.
Current Radar Image


Sun Almanac for Altamont, California
Sunrise: 06:49 AM
Sunset: 7:14 PM
Civil Sunrise:06:23 AM
Civil Sunset: 7:40 PM
Nautical Sunrise: 05:52 AM
Nautical Sunset: 8:11 PM
Astro Sunrise: 05:20 AM
Astro Sunset: 8:43 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.