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Port Costa, CA

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.


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.


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.


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.


Wednesday
Sunny
High: 60°
Sunny with a high near 60.
West northwest wind 7 to 10 mph.


Wednesday Night
Mostly Clear
Low: 41°
Mostly clear with a low around 41.


Thursday
Sunny
High: 62°
Sunny with a high near 62.


Thursday Night
Clear
Low: 43°
Clear with a low around 43.


Friday
Sunny
High: 68°
Sunny with a high near 68.


Friday Night
Mostly Clear
Low: 46°
Mostly clear with a low around 46.


Saturday
Sunny
High: 72°
Sunny with a high near 72.


Saturday Night
Mostly Clear
Low: 47°
Mostly clear with a low around 47.


Sunday
Sunny
High: 73°
Sunny with a high near 73.


Source: National Weather Service








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