Current Weather Forecast for Castro Valley

CA 94546  |   2:13am

Weather Conditions

60°

Feels Like 58°

Cloudy

54° 75°

0

UV Index

Good

Air Quality

SW 8 mph

Wind

0 in

rain

Tonight

Tue 9/15

59°

Lowest Temperature

15%

Cloudy. Low 59F. Winds SW at 5 to 10 mph.

Tomorrow

Wed 9/16

68°

Highest Temperature

15%

Partly to mostly cloudy. High 68F. Winds WSW at 10 to 20 mph.

Tomorrow night

Wed 9/16

60°

Lowest Temperature

16%

Partly cloudy skies early will become overcast later during the night. Low around 60F. Winds WSW at 10 to 15 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Castro Valley

Hourly Weather Forecast & Temperature

3AM

3%

59°

Feels Like 58°

Cloudy

SW 8 mph

Wind

1013 mb

Pressure

83%

Humidity

0

UV Index

10mi

Visibility

87%

Cloud Cover

4AM

3%

59°

Feels Like 58°

Mostly Cloudy

SW 8 mph

Wind

1013 mb

Pressure

83%

Humidity

0

UV Index

10mi

Visibility

79%

Cloud Cover

5AM

3%

59°

Feels Like 58°

Mostly Cloudy

SSW 7 mph

Wind

1013 mb

Pressure

85%

Humidity

0

UV Index

10mi

Visibility

63%

Cloud Cover

6AM

3%

59°

Feels Like 58°

Mostly Cloudy

SSW 7 mph

Wind

1013 mb

Pressure

85%

Humidity

0

UV Index

10mi

Visibility

64%

Cloud Cover

7AM

3%

58°

Feels Like 57°

Mostly Cloudy

SSW 8 mph

Wind

1014 mb

Pressure

87%

Humidity

0

UV Index

10mi

Visibility

68%

Cloud Cover

8AM

2%

59°

Feels Like 59°

Mostly Cloudy

SSW 7 mph

Wind

1015 mb

Pressure

85%

Humidity

0

UV Index

10mi

Visibility

71%

Cloud Cover

9AM

6%

62°

Feels Like 61°

Mostly Cloudy

SW 9 mph

Wind

1015 mb

Pressure

81%

Humidity

1

UV Index

9mi

Visibility

75%

Cloud Cover

10AM

5%

64°

Feels Like 63°

Mostly Cloudy

SW 10 mph

Wind

1015 mb

Pressure

75%

Humidity

2

UV Index

10mi

Visibility

74%

Cloud Cover

11AM

4%

65°

Feels Like 64°

Mostly Cloudy

WSW 11 mph

Wind

1015 mb

Pressure

72%

Humidity

4

UV Index

10mi

Visibility

69%

Cloud Cover

12PM

3%

66°

Feels Like 66°

Partly Cloudy

WSW 11 mph

Wind

1016 mb

Pressure

68%

Humidity

6

UV Index

9mi

Visibility

56%

Cloud Cover

1PM

3%

67°

Feels Like 67°

Partly Cloudy

W 12 mph

Wind

1015 mb

Pressure

66%

Humidity

7

UV Index

10mi

Visibility

40%

Cloud Cover

2PM

2%

67°

Feels Like 67°

Partly Cloudy

W 13 mph

Wind

1015 mb

Pressure

65%

Humidity

7

UV Index

10mi

Visibility

32%

Cloud Cover

Tue 9/15

Tue

15%

54°

75°

Cloudy. Lows overnight in the upper 50s.

59°

Feels Like

SW 8 mph

Wind

82%

Humidity

0

UV Index

6:50 AM

Sunrise

7:15 PM

Sunset

Wed 9/16

Wed

15%

59°

68°

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

68°

Feels Like

WSW 14 mph

Wind

72%

Humidity

7

UV Index

6:51 AM

Sunrise

7:14 PM

Sunset

Thu 9/17

Thu

12%

60°

72°

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

72°

Feels Like

WSW 12 mph

Wind

67%

Humidity

7

UV Index

6:52 AM

Sunrise

7:12 PM

Sunset

Fri 9/18

Fri

20%

59°

74°

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

74°

Feels Like

W 13 mph

Wind

70%

Humidity

7

UV Index

6:53 AM

Sunrise

7:11 PM

Sunset

Sat 9/19

Sat

20%

58°

74°

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

74°

Feels Like

WSW 12 mph

Wind

69%

Humidity

7

UV Index

6:54 AM

Sunrise

7:09 PM

Sunset

Sun 9/20

Sun

19%

58°

68°

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

68°

Feels Like

W 12 mph

Wind

74%

Humidity

6

UV Index

6:54 AM

Sunrise

7:08 PM

Sunset

Mon 9/21

Mon

19%

57°

72°

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

71°

Feels Like

W 12 mph

Wind

72%

Humidity

7

UV Index

6:55 AM

Sunrise

7:06 PM

Sunset

Tue 9/22

Tue

5%

58°

74°

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

74°

Feels Like

W 12 mph

Wind

67%

Humidity

7

UV Index

6:56 AM

Sunrise

7:05 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