Port Costa, CA Monthly Weather

Altitude - 27m | 38°2′46″N,122°10′59″W | map (OSM)

Port Costa, CA

°F

12:30 amCloudy8mphS

Mon, December 22, 20251:23 AM (GMT -08:00)

December

Sun	Mon Dec 22 59 °F low54 °F	Tue Dec 23 59 °F low53 °F	Wed Dec 24 58 °F low52 °F	Thu Dec 25 54 °F low48 °F	Fri Dec 26 53 °F low46 °F	Sat Dec 27 52 °F low43 °F
Sun Dec 28 50 °F low41 °F	Mon Dec 29 50 °F low40 °F	Tue Dec 30 50 °F low41 °F	Wed Dec 31 50 °F low44 °F	Thu	Fri	Sat

January

Sun	Mon	Tue	Wed	Thu Jan 1 51 °F low44 °F	Fri Jan 2 50 °F low43 °F	Sat Jan 3 50 °F low43 °F
Sun Jan 4 51 °F low44 °F	Mon	Tue	Wed	Thu	Fri	Sat

Last updated 50min ago

Temperature in Port Costa, CA for month

* Port Costa, CA Monthly weather is based on statistical data for the last 10 years. It is intended for personal use on an "as is" basis. This page provides the weather forecast for the next 30 days. In this forecast option you can see precipitation icons and maximum air temperature. The first 14 days reflect the current weather forecast for Port Costa, CA, and the following days reflect the weather based on statistical data from the last few years of measurements. This weather forecast will be useful for a general understanding of weather changes the nearest month for Port Costa, CA. Please note that long-term forecasts are not a forecast as such, but only reflect the statistics of past years.