Current Weather Forecast for Castro Valley

CA 94546  |   12:13pm

Weather Conditions

71°

Feels Like 71°

Sunny

53° 79° COASTAL FLOOD ADVISORY

COASTAL FLOOD ADVISORY

6

UV Index

Moderate

Air Quality

W 7 mph

Wind

0 in

rain

Today

Thu 10/1

79°

Highest Temperature

1%

Mostly sunny. High 79F. Winds WNW at 10 to 15 mph.

Tonight

Thu 10/1

56°

Lowest Temperature

7%

Mostly cloudy. Low 56F. Winds NW at 5 to 10 mph.

Tomorrow

Fri 10/2

82°

Highest Temperature

7%

Partly to mostly cloudy. High 82F. Winds WNW at 5 to 10 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Castro Valley

Hourly Weather Forecast & Temperature

1PM

75°

Feels Like 75°

COASTAL FLOOD ADVISORY

Sunny

WNW 8 mph

Wind

1011 mb

Pressure

51%

Humidity

6

UV Index

10mi

Visibility

4%

Cloud Cover

2PM

78°

Feels Like 79°

COASTAL FLOOD ADVISORY

Sunny

WNW 9 mph

Wind

1010 mb

Pressure

45%

Humidity

6

UV Index

10mi

Visibility

2%

Cloud Cover

3PM

79°

Feels Like 80°

COASTAL FLOOD ADVISORY

Sunny

WNW 11 mph

Wind

1010 mb

Pressure

44%

Humidity

4

UV Index

10mi

Visibility

2%

Cloud Cover

4PM

80°

Feels Like 81°

COASTAL FLOOD ADVISORY

Sunny

WNW 10 mph

Wind

1010 mb

Pressure

42%

Humidity

3

UV Index

10mi

Visibility

6%

Cloud Cover

5PM

78°

Feels Like 79°

COASTAL FLOOD ADVISORY

Mostly Sunny

WNW 10 mph

Wind

1010 mb

Pressure

45%

Humidity

1

UV Index

10mi

Visibility

20%

Cloud Cover

6PM

1%

74°

Feels Like 74°

Partly Cloudy

WNW 9 mph

Wind

1010 mb

Pressure

53%

Humidity

0

UV Index

10mi

Visibility

33%

Cloud Cover

7PM

1%

69°

Feels Like 69°

Partly Cloudy

WNW 8 mph

Wind

1010 mb

Pressure

62%

Humidity

0

UV Index

10mi

Visibility

41%

Cloud Cover

8PM

4%

65°

Feels Like 65°

Mostly Cloudy

NW 6 mph

Wind

1011 mb

Pressure

74%

Humidity

0

UV Index

10mi

Visibility

60%

Cloud Cover

9PM

5%

63°

Feels Like 63°

Mostly Cloudy

NW 5 mph

Wind

1012 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

66%

Cloud Cover

10PM

6%

62°

Feels Like 62°

Mostly Cloudy

NW 4 mph

Wind

1012 mb

Pressure

81%

Humidity

0

UV Index

10mi

Visibility

71%

Cloud Cover

11PM

7%

61°

Feels Like 61°

Mostly Cloudy

NW 4 mph

Wind

1012 mb

Pressure

83%

Humidity

0

UV Index

10mi

Visibility

67%

Cloud Cover

12AM

7%

60°

Feels Like 60°

Mostly Cloudy

NW 3 mph

Wind

1012 mb

Pressure

84%

Humidity

0

UV Index

10mi

Visibility

64%

Cloud Cover

Thu 10/1

Thu

1%

53°

79°

COASTAL FLOOD ADVISORY

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

80°

Feels Like

WNW 11 mph

Wind

51%

Humidity

6

UV Index

7:04 AM

Sunrise

6:51 PM

Sunset

Fri 10/2

Fri

7%

56°

82°

Times of sun and clouds. Highs in the low 80s and lows in the low 60s.

82°

Feels Like

WNW 8 mph

Wind

61%

Humidity

5

UV Index

7:05 AM

Sunrise

6:49 PM

Sunset

Sat 10/3

Sat

3%

60°

93°

Abundant sunshine. Highs in the low 90s and lows in the mid 60s.

93°

Feels Like

NW 10 mph

Wind

44%

Humidity

6

UV Index

7:05 AM

Sunrise

6:48 PM

Sunset

Sun 10/4

Sun

1%

64°

90°

HEAT ADVISORY

Times of sun and clouds. Highs in the low 90s and lows in the low 60s.

90°

Feels Like

NW 10 mph

Wind

40%

Humidity

6

UV Index

7:06 AM

Sunrise

6:46 PM

Sunset

Mon 10/5

Mon

2%

63°

85°

Sunny. Highs in the mid 80s and lows in the low 60s.

85°

Feels Like

WNW 11 mph

Wind

50%

Humidity

6

UV Index

7:07 AM

Sunrise

6:45 PM

Sunset

Tue 10/6

Tue

3%

63°

87°

Sunny. Highs in the upper 80s and lows in the low 60s.

87°

Feels Like

WNW 10 mph

Wind

48%

Humidity

6

UV Index

7:08 AM

Sunrise

6:43 PM

Sunset

Wed 10/7

Wed

2%

62°

87°

Sunny. Highs in the upper 80s and lows in the low 60s.

87°

Feels Like

WNW 10 mph

Wind

47%

Humidity

6

UV Index

7:09 AM

Sunrise

6:42 PM

Sunset

Thu 10/8

Thu

2%

63°

87°

Abundant sunshine. Highs in the upper 80s and lows in the low 60s.

87°

Feels Like

WNW 10 mph

Wind

46%

Humidity

6

UV Index

7:10 AM

Sunrise

6:41 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?

• 18734 Mt Lassen Dr, Castro Valley, CA 94552
• 3257 Somerset Ave, Castro Valley, CA 94546
• 19475 Mount Jasper Dr, Castro Valley, CA 94552

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

Latest Stories from California

Magnitude 4.7 earthquake rattles California coast in latest seismic activity along Pacific Ring of Fire

A moderate earthquake suddenly struck off the coast of southwestern Humboldt County, California, in the ocean.

French bulldog dies protecting family during sudden bear attack outside California home

A family’s French bulldog sprang into action outside their Northern California home, confronting a black bear that suddenly attacked its owners.

Bryan Norcross: Last day of nor'easter as the Atlantic minimally stirs, Polo to bring flooding to Southwest

FOX Weather Hurricane Specialist Bryan Norcross breaks down the fading nor'easter, Atlantic basin with minimal activity and a busy Pacific basin full of tropical activity.

40-million-year-old fossilized animal bones discovered at California construction site

While working on a city construction site in Oceanside, California, workers discovered a series of fossils from an animal that lived between 40 and 45 million years ago.

Load More Stories