Local Forecast

Port Costa, CA Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Port Costa, CA

No Active Alerts

Hour-by-Hour  Current Observation

Monday 10:40 PM PDTMonday 10:40 PM

°F °C
Regional Observations →
57°F

Cloudy

  • 77° / -- High / Low
  • 57° Feels Like
  • 0% Chance of Rain

Wind

7 mph

WSW

UV Index

0

None

Humidity

88%

Dew 53°F

Sun

6:57 AM · 7:04 PM

Rise · Set

Source: NAPA (KAPC). Slider scrubs the next 12 hours.

5-Day Outlook

Through Saturday

Local Radar →

Tuesday

77° 55°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Tuesday

Sunny. High near 76, with temperatures falling to around 74 in the afternoon. Southwest wind around 10 mph.

Night

Mostly clear, with a low around 55. Southwest wind 5 to 10 mph.

Wednesday

89° 57°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

Sunny, with a high near 88. West southwest wind around 6 mph.

Night

Mostly clear, with a low around 57.

Thursday

84° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Thursday

Sunny, with a high near 84.

Night

Partly cloudy, with a low around 58.

Friday

80° 55°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Friday

Sunny, with a high near 80.

Night

Mostly clear, with a low around 55.

Saturday

77° 55°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Saturday

Sunny, with a high near 77.

Night

Mostly clear, with a low around 54.

Port Costa, CA Weather Analysis Tools