Current Weather Forecast for Castro Valley

CA 94546  |   7:20pm

Weather Conditions

61°

Feels Like 59°

Partly Cloudy

52° 74°

0

UV Index

Good

Air Quality

WNW 11 mph

Wind

0 in

rain

Tonight

Tue 9/15

56°

Lowest Temperature

15%

Mostly cloudy skies. Low 56F. Winds SW at 10 to 15 mph.

Tomorrow

Wed 9/16

68°

Highest Temperature

8%

Mostly cloudy skies early will become partly cloudy later in the day. High 68F. Winds WSW at 10 to 20 mph.

Tomorrow night

Wed 9/16

58°

Lowest Temperature

22%

Mostly cloudy. Low 58F. Winds WSW at 10 to 15 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Castro Valley

Hourly Weather Forecast & Temperature

8PM

15%

59°

Feels Like 58°

Mostly Cloudy

W 10 mph

Wind

1013 mb

Pressure

86%

Humidity

0

UV Index

9mi

Visibility

62%

Cloud Cover

9PM

15%

59°

Feels Like 57°

Mostly Cloudy

W 9 mph

Wind

1013 mb

Pressure

88%

Humidity

0

UV Index

9mi

Visibility

71%

Cloud Cover

10PM

15%

59°

Feels Like 58°

Mostly Cloudy

W 7 mph

Wind

1013 mb

Pressure

88%

Humidity

0

UV Index

9mi

Visibility

73%

Cloud Cover

11PM

3%

60°

Feels Like 59°

Partly Cloudy

WSW 7 mph

Wind

1013 mb

Pressure

88%

Humidity

0

UV Index

10mi

Visibility

58%

Cloud Cover

12AM

3%

59°

Feels Like 58°

Partly Cloudy

WSW 7 mph

Wind

1013 mb

Pressure

88%

Humidity

0

UV Index

10mi

Visibility

59%

Cloud Cover

1AM

3%

59°

Feels Like 58°

Partly Cloudy

WSW 7 mph

Wind

1013 mb

Pressure

87%

Humidity

0

UV Index

9mi

Visibility

56%

Cloud Cover

2AM

6%

59°

Feels Like 58°

Mostly Cloudy

WSW 7 mph

Wind

1013 mb

Pressure

86%

Humidity

0

UV Index

9mi

Visibility

60%

Cloud Cover

3AM

13%

58°

Feels Like 57°

Mostly Cloudy

SW 8 mph

Wind

1013 mb

Pressure

85%

Humidity

0

UV Index

9mi

Visibility

63%

Cloud Cover

4AM

8%

58°

Feels Like 56°

Mostly Cloudy

SW 8 mph

Wind

1013 mb

Pressure

86%

Humidity

0

UV Index

10mi

Visibility

64%

Cloud Cover

5AM

9%

58°

Feels Like 56°

Mostly Cloudy

SSW 8 mph

Wind

1013 mb

Pressure

86%

Humidity

0

UV Index

10mi

Visibility

71%

Cloud Cover

6AM

9%

57°

Feels Like 56°

Mostly Cloudy

SSW 8 mph

Wind

1013 mb

Pressure

86%

Humidity

0

UV Index

10mi

Visibility

75%

Cloud Cover

7AM

8%

57°

Feels Like 56°

Mostly Cloudy

SSW 9 mph

Wind

1014 mb

Pressure

87%

Humidity

0

UV Index

10mi

Visibility

75%

Cloud Cover

Tue 9/15

Tue

15%

52°

74°

Mostly cloudy. Lows overnight in the mid 50s.

56°

Feels Like

SW 11 mph

Wind

86%

Humidity

0

UV Index

6:50 AM

Sunrise

7:15 PM

Sunset

Wed 9/16

Wed

8%

56°

68°

Partly cloudy. Highs in the upper 60s and lows in the upper 50s.

68°

Feels Like

WSW 15 mph

Wind

71%

Humidity

7

UV Index

6:51 AM

Sunrise

7:14 PM

Sunset

Thu 9/17

Thu

9%

57°

73°

Morning clouds followed by afternoon sun. Highs in the low 70s and lows in the upper 50s.

73°

Feels Like

WSW 12 mph

Wind

66%

Humidity

7

UV Index

6:52 AM

Sunrise

7:12 PM

Sunset

Fri 9/18

Fri

20%

57°

75°

Partly cloudy. Highs in the mid 70s and lows in the mid 50s.

75°

Feels Like

W 12 mph

Wind

66%

Humidity

7

UV Index

6:53 AM

Sunrise

7:11 PM

Sunset

Sat 9/19

Sat

20%

56°

75°

Times of sun and clouds. Highs in the mid 70s and lows in the mid 50s.

75°

Feels Like

WSW 12 mph

Wind

66%

Humidity

7

UV Index

6:53 AM

Sunrise

7:09 PM

Sunset

Sun 9/20

Sun

20%

56°

70°

Morning clouds followed by afternoon sun. Highs in the upper 60s and lows in the mid 50s.

69°

Feels Like

WSW 12 mph

Wind

70%

Humidity

6

UV Index

6:54 AM

Sunrise

7:07 PM

Sunset

Mon 9/21

Mon

19%

56°

72°

A few clouds. Highs in the low 70s and lows in the mid 50s.

72°

Feels Like

W 12 mph

Wind

68%

Humidity

7

UV Index

6:55 AM

Sunrise

7:06 PM

Sunset

Tue 9/22

Tue

18%

56°

76°

Partly cloudy. Highs in the mid 70s and lows in the upper 50s.

76°

Feels Like

W 11 mph

Wind

62%

Humidity

7

UV Index

6:56 AM

Sunrise

7:04 PM

Sunset

Plans up in the air? We'll help you weather-proof them. Get the FREE FOX Weather app.

Download the App

Looking for homes in this area?

• 4571 Ewing Rd, Castro Valley, CA 94546
• 25781 Durrwood Ct, Castro Valley, CA 94552
• 16432 Saratoga St, Castro Valley, CA 94578

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from California

Hurricane swells reveal forgotten history beneath iconic California beach

Hurricane Marie’s powerful swells exposed a mysterious wooden structure and other long-buried remnants beneath Newport Beach’s legendary wave: the Wedge. Historical research suggests the discoveries may be tied to the harbor’s early jetty construction.

2 injured, evacuations underway as brush fire engulfs homes in Los Angeles County

Evacuation warnings are underway in parts of Los Angeles County on Monday as a fast-moving brush fire spreads across the region, encroaching on multiple homes.

Local emergency declared in California beach city to stabilize coastal bluffs ahead of super El Niño

A San Diego County beach city declared a local emergency as officials work to stabilize coastal bluffs threatened by ongoing erosion ahead of potentially strong El Niño conditions this winter.

Photos: Rare Ice Age tooth discovered in California preserve after thousands of years

A massive fossilized tooth discovered in a California preserve is giving scientists a rare glimpse into the Ice Age and the prehistoric creatures that once roamed the San Francisco Bay Area.

Load More Stories