Port Costa, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast day icon
    Wednesday
    Sunny
    72°
    Forecast night icon
    Night
    Clear
    56°
    Wednesday 5/8
    Day
    72°
    Sunny
    Forecast day icon
    Night
    56°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 80s. North winds around 20 mph.
    Night Details
    Clear. Lows in the mid to upper 50s. North winds 10 to 20 mph. Gusts up to 35 mph in the evening.
  • Forecast day icon
    Thursday
    Sunny
    78°
    Forecast night icon
    Night
    Clear
    53°
    Thursday 5/9
    Day
    78°
    Sunny
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 80s. Northeast winds 5 to 15 mph.
    Night Details
    Clear. Lows in the upper 50s. West winds 5 to 10 mph.
  • Forecast day icon
    Friday
    Sunny
    74°
    Forecast night icon
    Night
    Clear
    52°
    Friday 5/10
    Day
    74°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs around 90. Northwest winds 5 to 10 mph.
    Night Details
    Clear. Lows in the upper 50s.
  • Forecast day icon
    Saturday
    Sunny
    73°
    Forecast night icon
    Night
    Clear
    52°
    Saturday 5/11
    Day
    73°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Clear. Highs in the 80s. Lows in the mid 50s.
    Night Details
    Clear. Highs in the 80s. Lows in the mid 50s.
  • Forecast day icon
    Sunday
    Sunny
    72°
    Forecast night icon
    Night
    Clear
    51°
    Sunday 5/12
    Day
    72°
    Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Clear. Highs in the 80s. Lows in the mid 50s.
    Night Details
    Clear. Highs in the 80s. Lows in the mid 50s.
  • Forecast day icon
    Monday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Monday 5/13
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the 80s. Lows in the mid 50s.
    Night Details
    Mostly clear. Highs in the 80s. Lows in the mid 50s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    Clear
    54°
    Tuesday 5/14
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the 80s. Lows in the mid 50s.
    Night Details
    Clear. Low temperature around 54F. Dew point will be around 51F with an average humidity of 72%. Winds will be 8 mph from the SW.
  • Forecast day icon
    Wednesday
    Sunny
    75°
    Forecast night icon
    Night
    Clear
    54°
    Wednesday 5/15
    Day
    75°
    Sunny
    Forecast day icon
    Night
    54°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 75F. Dew point will be around 52F with an average humidity of 59%. Winds will be 7 mph from the SW.
    Night Details
    Clear. Low temperature around 54F. Dew point will be around 49F with an average humidity of 71%. Winds will be 9 mph from the SW.
  • Forecast day icon
    Thursday
    Sunny
    68°
    Forecast night icon
    Night
    Clear
    52°
    Thursday 5/16
    Day
    68°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 68F. Dew point will be around 51F with an average humidity of 62%. Winds will be 9 mph from the SW.
    Night Details
    Clear. Low temperature around 52F. Dew point will be around 49F with an average humidity of 73%. Winds will be 10 mph from the SW.
  • Forecast day icon
    Friday
    Sunny
    64°
    Forecast night icon
    Night
    Clear
    50°
    Friday 5/17
    Day
    64°
    Sunny
    Forecast day icon
    Night
    50°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 64F. Dew point will be around 49F with an average humidity of 66%. Winds will be 10 mph from the SW.
    Night Details
    Clear. Low temperature around 50F. Dew point will be around 48F with an average humidity of 77%. Winds will be 10 mph from the SW.