Current Weather Forecast for Castro Valley

CA 94546  |   10:51am

Weather Conditions

61°

Feels Like 60°

Mostly Cloudy

55° 73°

5

UV Index

Good

Air Quality

WSW 7 mph

Wind

0 in

rain

Today

Sun 6/21

73°

Highest Temperature

1%

Some clouds this morning will give way to generally sunny skies for the afternoon. High 73F. Winds W at 10 to 20 mph.

Tonight

Sun 6/21

55°

Lowest Temperature

22%

Partly cloudy skies early will give way to cloudy skies late. Low near 55F. Winds W at 10 to 15 mph.

Tomorrow

Mon 6/22

72°

Highest Temperature

21%

Partly cloudy skies. High 72F. Winds W at 10 to 20 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Castro Valley

Hourly Weather Forecast & Temperature

11AM

1%

62°

Feels Like 61°

Partly Cloudy

W 7 mph

Wind

1013 mb

Pressure

76%

Humidity

6

UV Index

10mi

Visibility

59%

Cloud Cover

12PM

65°

Feels Like 65°

Partly Cloudy

W 8 mph

Wind

1013 mb

Pressure

66%

Humidity

9

UV Index

10mi

Visibility

34%

Cloud Cover

1PM

68°

Feels Like 68°

Sunny

W 9 mph

Wind

1013 mb

Pressure

60%

Humidity

10

UV Index

10mi

Visibility

19%

Cloud Cover

2PM

72°

Feels Like 72°

Sunny

W 12 mph

Wind

1012 mb

Pressure

52%

Humidity

9

UV Index

10mi

Visibility

1%

Cloud Cover

3PM

72°

Feels Like 72°

Sunny

W 13 mph

Wind

1012 mb

Pressure

52%

Humidity

8

UV Index

10mi

Visibility

1%

Cloud Cover

4PM

71°

Feels Like 71°

Sunny

WNW 14 mph

Wind

1012 mb

Pressure

55%

Humidity

5

UV Index

10mi

Visibility

1%

Cloud Cover

5PM

1%

69°

Feels Like 69°

Sunny

WNW 14 mph

Wind

1012 mb

Pressure

58%

Humidity

3

UV Index

10mi

Visibility

10%

Cloud Cover

6PM

1%

66°

Feels Like 66°

Sunny

W 13 mph

Wind

1012 mb

Pressure

62%

Humidity

2

UV Index

10mi

Visibility

12%

Cloud Cover

7PM

3%

63°

Feels Like 62°

Sunny

W 12 mph

Wind

1012 mb

Pressure

68%

Humidity

0

UV Index

10mi

Visibility

17%

Cloud Cover

8PM

5%

61°

Feels Like 59°

Mostly Sunny

W 10 mph

Wind

1012 mb

Pressure

75%

Humidity

0

UV Index

10mi

Visibility

28%

Cloud Cover

9PM

20%

58°

Feels Like 57°

Partly Cloudy

W 8 mph

Wind

1012 mb

Pressure

82%

Humidity

0

UV Index

10mi

Visibility

58%

Cloud Cover

10PM

22%

57°

Feels Like 56°

Partly Cloudy

W 8 mph

Wind

1013 mb

Pressure

84%

Humidity

0

UV Index

9mi

Visibility

59%

Cloud Cover

Sun 6/21

Sun

1%

55°

73°

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

73°

Feels Like

W 14 mph

Wind

63%

Humidity

10

UV Index

5:46 AM

Sunrise

8:33 PM

Sunset

Mon 6/22

Mon

21%

55°

72°

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

72°

Feels Like

W 13 mph

Wind

68%

Humidity

10

UV Index

5:47 AM

Sunrise

8:34 PM

Sunset

Tue 6/23

Tue

20%

54°

74°

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

74°

Feels Like

W 13 mph

Wind

63%

Humidity

10

UV Index

5:47 AM

Sunrise

8:34 PM

Sunset

Wed 6/24

Wed

19%

55°

76°

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

76°

Feels Like

W 13 mph

Wind

62%

Humidity

10

UV Index

5:47 AM

Sunrise

8:34 PM

Sunset

Thu 6/25

Thu

6%

55°

71°

Sunshine. Highs in the low 70s and lows in the mid 50s.

71°

Feels Like

WSW 15 mph

Wind

66%

Humidity

10

UV Index

5:48 AM

Sunrise

8:34 PM

Sunset

Fri 6/26

Fri

6%

55°

69°

Mostly sunny. Highs in the upper 60s and lows in the upper 50s.

69°

Feels Like

WSW 16 mph

Wind

69%

Humidity

10

UV Index

5:48 AM

Sunrise

8:34 PM

Sunset

Sat 6/27

Sat

10%

55°

69°

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

69°

Feels Like

WSW 14 mph

Wind

67%

Humidity

10

UV Index

5:48 AM

Sunrise

8:34 PM

Sunset

Sun 6/28

Sun

5%

54°

75°

Mainly sunny. Highs in the mid 70s and lows in the mid 50s.

75°

Feels Like

W 13 mph

Wind

56%

Humidity

10

UV Index

5:49 AM

Sunrise

8:34 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Looking for homes in this area?

• 17888 Mayflower Dr, Castro Valley, CA 94546
• 4571 Ewing Rd, Castro Valley, CA 94546
• 18911 Sydney Cir, Castro Valley, CA 94546

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

Latest Stories from California

Extreme heat to grip the Pacific Southwest with millions at risk of triple-digit temperatures

Extreme heat is headed for Southern California, with temperatures topping 100 degrees in some areas. It comes as hundreds of thousands of visitors flock to California for the FIFA World Cup.

2 college students killed after being swept into ocean amid powerful surf at California beach

Two young college students were killed after being swept into the ocean by rising tides and powerful surf while napping near a popular beach in Southern California, according to authorities. Multiple law enforcement agencies responded to the beach to rescue two young women, later identified as 21-year-old Harshita Nair and 20-year-old Mahial Sran, both of Fremont.

One of America's most dangerous fault lines reaches highest stress levels in 1,000 years, study finds

Just 50 miles from downtown Los Angeles, a critical junction where two of California's most powerful fault systems meet has been quietly accumulating stress levels matching 1,000-year highs, new research suggests.

Watch: Person stranded on cliff safe after hours-long rescue in San Francisco

First responders in California completed an extremely complex technical cliff rescue for a stranded person over the weekend.

Load More Stories