Port Costa, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Tuesday 4/16
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then becoming sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. West winds 5 to 10 mph.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Wednesday 4/17
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly cloudy. Highs around 80. Northeast winds around 5 mph.
    Night Details
    Partly cloudy. Lows in the lower 50s. West winds 5 to 10 mph.
  • Forecast day icon
    Thursday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Mostly Cloudy
    49°
    Thursday 4/18
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the upper 70s. Northwest winds around 5 mph.
    Night Details
    Mostly cloudy. Lows around 50.
  • Forecast day icon
    Friday
    Mostly Sunny
    65°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Friday 4/19
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the mid 70s. Lows around 50.
    Night Details
    Mostly clear. Highs in the mid 70s. Lows around 50.
  • Forecast day icon
    Saturday
    Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Saturday 4/20
    Day
    69°
    Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 70s.
    Night Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Sunday 4/21
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
    Night Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
  • Forecast day icon
    Monday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Monday 4/22
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
    Night Details
    Mostly clear. Low temperature around 47F. Dew point will be around 43F with an average humidity of 80%. Winds will be 9 mph from the SW.
  • Forecast day icon
    Tuesday
    Sunny
    64°
    Forecast night icon
    Night
    Clear
    48°
    Tuesday 4/23
    Day
    64°
    Sunny
    Forecast day icon
    Night
    48°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 64F. Dew point will be around 46F with an average humidity of 64%. Winds will be 7 mph from the SW.
    Night Details
    Clear. Low temperature around 48F. Dew point will be around 45F with an average humidity of 73%. Winds will be 8 mph from the SW.
  • Forecast day icon
    Wednesday
    Sunny
    63°
    Forecast night icon
    Night
    Clear
    47°
    Wednesday 4/24
    Day
    63°
    Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 63F. Dew point will be around 46F with an average humidity of 64%. Winds will be 7 mph from the SW.
    Night Details
    Clear. Low temperature around 47F. Dew point will be around 46F with an average humidity of 77%. Winds will be 9 mph from the SW.
  • Forecast day icon
    Thursday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Thursday 4/25
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 62F. Dew point will be around 46F with an average humidity of 67%. Winds will be 9 mph from the SW.
    Night Details
    Mostly clear. Low temperature around 48F. Dew point will be around 46F with an average humidity of 77%. Winds will be 9 mph from the SW.