Port Costa, CA Monthly Weather

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

Port Costa, CA

°F

1 amClear3mphS

Tue, September 16, 20251:53 AM (GMT -07:00)

September

Sun	Mon	Tue Sep 16 93 °F low62 °F	Wed Sep 17 95 °F low61 °F	Thu Sep 18 80 °F low62 °F	Fri Sep 19 79 °F low61 °F	Sat Sep 20 83 °F low61 °F
Sun Sep 21 89 °F low61 °F	Mon Sep 22 92 °F low64 °F	Tue Sep 23 85 °F low65 °F	Wed Sep 24 82 °F low63 °F	Thu Sep 25 80 °F low61 °F	Fri Sep 26 79 °F low61 °F	Sat Sep 27 79 °F low60 °F
Sun Sep 28 82 °F low60 °F	Mon Sep 29 83 °F low60 °F	Tue	Wed	Thu	Fri	Sat

Last updated 18min 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.