Port Costa, CA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Partly Cloudy 50°F
Feels Like 50°F  
Humidity 100% Dew Point 50°F Wind Calm Barometer N/A
Solar Rad 102 w/m2
Report from a MADIS/MESONET weather station 1.6 mi. SSW of central Port Costa
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Point Forecast at a Glance

TueNov 25
Tue Nov 25: Fog, Low 43F
 
43
WedNov 26
Wed Nov 26: Mostly Sunny, High 61F, Low 44F
61
44
ThuNov 27
Thu Nov 27: Mostly Sunny, High 63F, Low 46F
63
46
FriNov 28
Fri Nov 28: Mostly Sunny, High 63F, Low 45F
63
45
SatNov 29
Sat Nov 29: Mostly Sunny, High 61F, Low 43F
61
43
SunNov 30
Sun Nov 30: Mostly Sunny, High 60F, Low 44F
60
44
MonDec 1
Mon Dec 1: Sunny, High 63F, Low 42F
63
42

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 60°F to 63°F. Dry weather expected throughout the week.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 60°F and lows around 42°F.

This Date in Weather History

1970 - The temperature at Tallahassee, FL, dipped to 13 degrees, following a high of 40 degrees the previous day. The mercury then reached 67 degrees on the 26th, and highs were in the 70s the rest of the month.

More on this and other weather history

Port Costa, CA 7 Day Weather Forecast Details

Tuesday Nov 25

Fog

Night: Patchy dense fog between 1am and 3am. Otherwise, partly cloudy, with a low around 43. East wind 3 to 7 mph.

Wednesday Nov 26

Mostly Sunny

Day: Mostly sunny, with a high near 61. East wind 8 to 10 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 44. East wind around 5 mph.

Thursday Nov 27

Mostly Sunny

Day: Mostly sunny, with a high near 63. East wind around 6 mph becoming north northwest in the afternoon.

Partly Cloudy

Night: Partly cloudy, with a low around 46. West wind around 5 mph becoming light and variable in the evening.

Friday Nov 28

Mostly Sunny

Day: Mostly sunny, with a high near 63.

Partly Cloudy

Night: Partly cloudy, with a low around 45.

Saturday Nov 29

Mostly Sunny

Day: Mostly sunny, with a high near 61.

Partly Cloudy

Night: Partly cloudy, with a low around 43.

Sunday Nov 30

Mostly Sunny

Day: Mostly sunny, with a high near 60.

Mostly Clear

Night: Mostly clear, with a low around 44.

Monday Dec 1

Sunny

Day: Sunny, with a high near 63.

Mostly Clear

Night: Mostly clear, with a low around 42.

Tuesday Dec 2

Sunny

Day: Sunny, with a high near 60.


About Port Costa, CA

Port Costa is a small town and census-designated place (CDP) in Contra Costa County, California, located in the East Bay region of the San Francisco Bay Area. Situated on the southern shore of the Carquinez Strait, the population was 190 in 2020 according to the United States Census Bureau.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.