Discovery Bay, California Weather
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Weather Forecast for Discovery Bay, California : Contra Costa County
Issued: 1:26 pm PDT Sep 15, 2025 Latitude: 37.9085357 Longitude: -121.6002291 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: 65°F High: 100°F High: 99°F High: 90°F High: 89°F High: 88°F High: 88°F High: 90°F
Low: 65°F Low: 67°F Low: 65°F Low: 64°F Low: 63°F Low: 63°F  
Clear Sunny Sunny Partly Sunny Thunderstorms Rain Sunny Sunny
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Current Conditions at
LIVERMORE - (KLVK)
73°
Clear
as of 9:53 PM PDST
Rel. Humidity: 46%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
STOCKTON - (KSCK)
75°
Clear
as of 9:55 PM PDST
Rel. Humidity: 47%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
3 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
CONCORD - (KCCR)
75°
Clear
as of 9:53 PM PDST
Rel. Humidity: 47%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Clear on Tonight Tonight... Clear, with a low around 65. Calm wind.
Sunny on Tuesday Tuesday... Sunny and hot, with a high near 100. Light and variable wind.
Clear on Tuesday Night Tuesday Night... Clear, with a low around 65. West northwest wind 5 to 7 mph becoming calm in the evening.
Sunny on Wednesday Wednesday... Sunny and hot, with a high near 99. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 67. West northwest wind 5 to 9 mph becoming calm in the evening.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 90.
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 65. 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 89.
10% chance of rain Friday Night Friday Night... A slight chance of showers. Partly cloudy, with a low around 64.
10% chance of rain Saturday Saturday... A slight chance of showers before 11am. Mostly sunny, with a high near 88.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 63.
Sunny on Sunday Sunday... Sunny, with a high near 88.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 63.
Sunny on Monday Monday... Sunny, with a high near 90.
Sun Almanac for Discovery Bay, California
Sunrise: 06:50 AM
Sunset: 7:12 PM
Civil Sunrise:06:23 AM
Civil Sunset: 7:39 PM
Nautical Sunrise: 05:52 AM
Nautical Sunset: 8:10 PM
Astro Sunrise: 05:21 AM
Astro Sunset: 8:41 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.