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Port Costa, CA
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7-Day Forecast
This Afternoon
Slight Chance Rain
High: 58°
A 20% chance of rain. Mostly cloudy with a high near 58. West southwest wind 18 to 20 mph with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.
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Tonight
Slight Chance Rain
Low: 46°
A 20% chance of rain. Mostly cloudy with a low around 46. West wind 11 to 16 mph with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
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Tuesday
Chance T-storms
High: 56°
A chance of rain before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of rain after 2pm. Mostly cloudy with a high near 56. West wind 14 to 21 mph with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
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Tuesday Night
Mostly Clear
Low: 41°
Mostly clear with a low around 41. West wind 10 to 20 mph with gusts as high as 29 mph.
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Wednesday
Sunny
High: 60°
Sunny with a high near 60. West northwest wind 7 to 10 mph.
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Wednesday Night
Mostly Clear
Low: 41°
Mostly clear with a low around 41.
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Thursday
Sunny
High: 62°
Sunny with a high near 62.
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Thursday Night
Clear
Low: 43°
Clear with a low around 43.
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Friday
Sunny
High: 68°
Sunny with a high near 68.
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Friday Night
Mostly Clear
Low: 46°
Mostly clear with a low around 46.
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Saturday
Sunny
High: 72°
Sunny with a high near 72.
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Saturday Night
Mostly Clear
Low: 47°
Mostly clear with a low around 47.
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Sunday
Sunny
High: 73°
Sunny with a high near 73.
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Source: National Weather Service
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