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Port Costa, CA
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7-Day Forecast
Tonight
Increasing Clouds
Low: 43°
Increasing clouds with a low around 43. Light west southwest wind.
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Saturday
Mostly Sunny
High: 67°
Mostly sunny with a high near 67. Light and variable wind becoming west around 6 mph in the afternoon.
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Saturday Night
Partly Cloudy
Low: 48°
Partly cloudy with a low around 48. West southwest wind around 6 mph.
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Sunday
Mostly Cloudy
High: 66°
Mostly cloudy with a high near 66. Southwest wind 3 to 6 mph.
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Sunday Night
Mostly Cloudy
Low: 49°
Mostly cloudy with a low around 49. West southwest wind around 6 mph.
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Monday
Mostly Cloudy then Slight Chance Rain
High: 65°
A 10% chance of rain after 4pm. Mostly cloudy with a high near 65.
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Monday Night
Slight Chance Rain then Mostly Cloudy
Low: 48°
A 20% chance of rain before 10pm. Mostly cloudy with a low around 48.
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Tuesday
Sunny
High: 67°
Sunny with a high near 67.
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Tuesday Night
Clear
Low: 45°
Clear with a low around 45.
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Wednesday
Sunny
High: 70°
Sunny with a high near 70.
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Wednesday Night
Mostly Clear then Slight Chance Rain
Low: 48°
A slight chance of rain. Partly cloudy with a low around 48.
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Thursday
Slight Chance Rain then Mostly Sunny
High: 69°
A slight chance of rain. Mostly sunny with a high near 69.
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Thursday Night
Partly Cloudy
Low: 49°
Partly cloudy with a low around 49.
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Friday
Sunny
High: 70°
Sunny with a high near 70.
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Source: National Weather Service
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