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Blackhawk, California Weather Forecast
Blackhawk, California Weather
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Weather Forecast for Blackhawk, California : Contra Costa County
Issued: 12:26 am PST Dec 18, 2025 Latitude: 37.8207595 Longitude: -121.9077357 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Fog on Overnight Morning Fog on Thursday 80% chance of rain on Friday 80% 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: 43°F High: 61°F High: 60°F High: 59°F High: 59°F High: 57°F High: 54°F High: 56°F
Low: 46°F Low: 50°F Low: 52°F Low: 50°F Low: 46°F Low: 46°F  
Fog Morning Fog Rain Rain Thunderstorms Rain Rain Rain
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Current Conditions at
LIVERMORE - (KLVK)
54°
Cloudy
Mist
as of 12:53 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 1 1/4 Miles
Pressure: 30.14 in.
Flight Rule: LIFR
Wind Data
3 MPH
090° East
Cloud Level(s): Solid Overcast at 300ft
Current Conditions at
CONCORD - (KCCR)
52°
Cloudy
Mist
as of 12:53 AM PST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 5 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
HAYWARD - (KHWD)
54°
Cloudy
Mist
as of 1:24 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 3 Miles
Pressure: 30.15 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Broken at 400ft, Solid Overcast at 700ft
Fog on Overnight Overnight... Patchy dense fog. Otherwise, mostly cloudy, with a low around 43. Calm wind.

Morning Fog on Thursday Thursday... Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 61. Calm wind.

30% chance of rain Thursday Night Thursday Night... A 30 percent chance of rain, mainly after 4am. Increasing clouds, with a low around 46. Light south southwest wind.

80% chance of rain Friday Friday... Rain, mainly after 10am. High near 60. South southwest wind 6 to 9 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 4am. Low around 50. South southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

80% chance of rain Saturday Saturday... Rain, mainly after 10am. High near 59. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

90% chance of thunderstorms Saturday Night Saturday Night... Rain before 10pm, then showers and possibly a thunderstorm after 10pm. Low around 52. Chance of precipitation is 90%.

Thunderstorms on Sunday Sunday... Showers and possibly a thunderstorm. Cloudy, with a high near 59.

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

70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 57.

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

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

Rain on Tuesday Night Tuesday Night... Rain. Cloudy, with a low around 46.

70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 56.

Sun Almanac for Blackhawk, California
Sunrise: 07:18 AM
Sunset: 4:51 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:25 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.