Current Weather Forecast for Castro Valley

CA 94546  |   3:31am

Weather Conditions

61°

Feels Like 61°

Cloudy

59° 71°

0

UV Index

Good

Air Quality

SW 7 mph

Wind

0 in

rain

Today

Thu 9/17

71°

Highest Temperature

7%

Cloudy early, becoming mostly sunny this afternoon. High 71F. Winds SW at 10 to 15 mph.

Tonight

Thu 9/17

58°

Lowest Temperature

20%

Partly cloudy skies this evening will become overcast overnight. Low 58F. Winds WNW at 5 to 10 mph.

Tomorrow

Fri 9/18

75°

Highest Temperature

20%

Mostly cloudy early, then afternoon sunshine. High near 75F. Winds W at 10 to 15 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Castro Valley

Hourly Weather Forecast & Temperature

4AM

4%

61°

Feels Like 61°

Cloudy

SSW 6 mph

Wind

1017 mb

Pressure

81%

Humidity

0

UV Index

7mi

Visibility

100%

Cloud Cover

5AM

3%

61°

Feels Like 61°

Cloudy

SSW 6 mph

Wind

1017 mb

Pressure

80%

Humidity

0

UV Index

7mi

Visibility

99%

Cloud Cover

6AM

3%

61°

Feels Like 61°

Cloudy

S 6 mph

Wind

1018 mb

Pressure

79%

Humidity

0

UV Index

10mi

Visibility

100%

Cloud Cover

7AM

2%

60°

Feels Like 60°

Cloudy

S 6 mph

Wind

1018 mb

Pressure

80%

Humidity

0

UV Index

10mi

Visibility

84%

Cloud Cover

8AM

2%

61°

Feels Like 61°

Mostly Cloudy

S 6 mph

Wind

1019 mb

Pressure

80%

Humidity

0

UV Index

10mi

Visibility

79%

Cloud Cover

9AM

2%

63°

Feels Like 63°

Mostly Cloudy

SSW 6 mph

Wind

1019 mb

Pressure

76%

Humidity

1

UV Index

9mi

Visibility

78%

Cloud Cover

10AM

3%

64°

Feels Like 64°

Mostly Cloudy

SW 5 mph

Wind

1020 mb

Pressure

73%

Humidity

2

UV Index

10mi

Visibility

71%

Cloud Cover

11AM

6%

65°

Feels Like 65°

Mostly Cloudy

WSW 5 mph

Wind

1020 mb

Pressure

69%

Humidity

4

UV Index

10mi

Visibility

70%

Cloud Cover

12PM

1%

67°

Feels Like 67°

Partly Cloudy

W 6 mph

Wind

1020 mb

Pressure

65%

Humidity

6

UV Index

10mi

Visibility

58%

Cloud Cover

1PM

1%

68°

Feels Like 68°

Partly Cloudy

W 7 mph

Wind

1020 mb

Pressure

62%

Humidity

7

UV Index

10mi

Visibility

49%

Cloud Cover

2PM

70°

Feels Like 70°

Mostly Sunny

WNW 9 mph

Wind

1020 mb

Pressure

59%

Humidity

7

UV Index

10mi

Visibility

24%

Cloud Cover

3PM

71°

Feels Like 71°

Sunny

WNW 10 mph

Wind

1019 mb

Pressure

57%

Humidity

5

UV Index

10mi

Visibility

17%

Cloud Cover

Thu 9/17

Thu

7%

59°

71°

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

71°

Feels Like

SW 12 mph

Wind

70%

Humidity

7

UV Index

6:52 AM

Sunrise

7:12 PM

Sunset

Fri 9/18

Fri

20%

58°

75°

Clouds giving way to sun . Highs in the mid 70s and lows in the upper 50s.

75°

Feels Like

W 13 mph

Wind

68%

Humidity

7

UV Index

6:53 AM

Sunrise

7:11 PM

Sunset

Sat 9/19

Sat

20%

57°

76°

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

76°

Feels Like

W 12 mph

Wind

67%

Humidity

7

UV Index

6:53 AM

Sunrise

7:09 PM

Sunset

Sun 9/20

Sun

20%

57°

67°

Cloudy. Highs in the upper 60s and lows in the upper 50s.

67°

Feels Like

W 11 mph

Wind

75%

Humidity

4

UV Index

6:54 AM

Sunrise

7:07 PM

Sunset

Mon 9/21

Mon

20%

57°

69°

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

69°

Feels Like

W 12 mph

Wind

72%

Humidity

7

UV Index

6:55 AM

Sunrise

7:06 PM

Sunset

Tue 9/22

Tue

7%

56°

74°

Mostly sunny. Highs in the mid 70s and lows in the upper 50s.

74°

Feels Like

W 12 mph

Wind

68%

Humidity

7

UV Index

6:56 AM

Sunrise

7:04 PM

Sunset

Wed 9/23

Wed

5%

57°

82°

Plenty of sun. Highs in the low 80s and lows in the upper 50s.

82°

Feels Like

W 11 mph

Wind

55%

Humidity

7

UV Index

6:57 AM

Sunrise

7:03 PM

Sunset

Thu 9/24

Thu

4%

58°

82°

Partly cloudy. Highs in the low 80s and lows in the upper 50s.

82°

Feels Like

W 11 mph

Wind

50%

Humidity

7

UV Index

6:58 AM

Sunrise

7:01 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?

• 23389 Canyon Terrace Dr, Castro Valley, CA 94552
• 4884 Larimer Way, Castro Valley, CA 94546
• 5371 San Simeon Pl, Castro Valley, CA 94552

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

Latest Stories from California

These US beaches are home to some of America's most venomous snakes

Beachgoers may be watching for rip currents, rough surf or even sharks, but snakes aren’t the first thing that comes to mind when heading to the beach.

Ocean Way music festival canceled after dangerous surf from Hurricane Marie causes coastal erosion

A beachfront music festival in Santa Monica has been canceled due to impacts of Hurricane Marie.

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.

Load More Stories