Weather in Castro Valley, California, United States

7-Day Detailed Weather Forecast for Castro Valley

Overnight

Temperature: 49°F

Wind Speed: 3 mph

Wind Direction: S

Forecast: A slight chance of rain before 4am. Mostly cloudy. Low around 49, with temperatures rising to around 52 overnight. South wind around 3 mph. Chance of precipitation is 20%.

Friday

Temperature: 63°F

Wind Speed: 3 to 8 mph

Wind Direction: S

Forecast: Rain after 10am. Cloudy. High near 63, with temperatures falling to around 59 in the afternoon. South wind 3 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday Night

Temperature: 55°F

Wind Speed: 2 to 6 mph

Wind Direction: S

Forecast: Rain. Cloudy, with a low around 55. South wind 2 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Temperature: 60°F

Wind Speed: 5 mph

Wind Direction: SSE

Forecast: Rain. Cloudy, with a high near 60. South southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Night

Temperature: 55°F

Wind Speed: 3 to 9 mph

Wind Direction: SSE

Forecast: Rain. Cloudy, with a low around 55. South southeast wind 3 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Sunday

Temperature: 61°F

Wind Speed: 12 mph

Wind Direction: S

Forecast: Rain. Cloudy, with a high near 61. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Sunday Night

Temperature: 55°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: Rain. Cloudy, with a low around 55.

Monday

Temperature: 59°F

Wind Speed: 6 to 9 mph

Wind Direction: S

Forecast: Rain. Cloudy, with a high near 59.

Monday Night

Temperature: 52°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Rain likely. Cloudy, with a low around 52.

Tuesday

Temperature: 60°F

Wind Speed: 6 to 10 mph

Wind Direction: SSE

Forecast: Rain. Cloudy, with a high near 60.

Tuesday Night

Temperature: 46°F

Wind Speed: 13 mph

Wind Direction: SSW

Forecast: Rain. Cloudy, with a low around 46.

Wednesday

Temperature: 58°F

Wind Speed: 10 mph

Wind Direction: SSE

Forecast: Rain. Mostly cloudy, with a high near 58.

Wednesday Night

Temperature: 49°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: Rain. Cloudy, with a low around 49.

Christmas Day

Temperature: 57°F

Wind Speed: 13 mph

Wind Direction: SSW

Forecast: Rain. Mostly cloudy, with a high near 57.