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Port Costa, CA
 51° 
Last Updated on Mar 28 2024, 2:53 am PDT
Current ConditionsFair
Relative Humidity86%
WindSouth at 8.1 MPH
(7 KT)
Pressure30.05 mb
Dewpoint46.9 F (8.3 C)
Wind Chill48 F (9 C)
Visibility10.00 miles

7-Day Forecast

Today
Mostly Cloudy
High: 59°
Sunny through mid morning,
then becoming mostly cloudy with a high near 59.
West southwest wind 7 to 11 mph.


Tonight
Cloudy
Low: 46°
Cloudy with a low around 46.
West southwest wind 6 to 10 mph becoming
south after midnight.


Friday
Rain Likely
High: 55°
Rain likely, mainly after 11am.
Cloudy with a high near 55.
Southeast wind 9 to 14 mph
with gusts as high as 21 mph.
Chance of precipitation is 70%.
New precipitation amounts
between a quarter and half of an inch possible.


Friday Night
Rain
Low: 46°
Rain.
Low around 46.
East southeast wind 11 to 15 mph
with gusts as high as 23 mph.
Chance of precipitation is 90%.
New precipitation amounts
between a quarter and half of an inch possible.


Saturday
Showers Likely
High: 58°
Rain likely before 11am,
then showers likely and possibly a thunderstorm after 11am.
Mostly cloudy with a high near 58.
Northeast wind 10 to 13 mph
with gusts as high as 18 mph.
Chance of precipitation is 60%.
New rainfall amounts
between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.


Saturday Night
Slight Chance Rain then Mostly Cloudy
Low: 44°
A 20% chance of rain before 11pm.
Mostly cloudy with a low around 44.
New precipitation amounts of less than a tenth of an inch possible.


Sunday
Mostly Sunny
High: 62°
Mostly sunny with a high near 62.


Sunday Night
Mostly Clear
Low: 45°
Mostly clear with a low around 45.


Monday
Sunny
High: 69°
Sunny with a high near 69.


Monday Night
Clear
Low: 47°
Clear with a low around 47.


Tuesday
Sunny
High: 71°
Sunny with a high near 71.


Tuesday Night
Mostly Clear
Low: 50°
Mostly clear with a low around 50.


Wednesday
Sunny
High: 69°
Sunny with a high near 69.


Source: National Weather Service








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