Current Weather Forecast for Castro Valley

CA 94546  |   12:08pm

Weather Conditions

76°

Feels Like 76°

Sunny

57° 84° HEAT ADVISORY

HEAT ADVISORY

5

UV Index

Moderate

Air Quality

W 6 mph

Wind

0 in

rain

Today

Thu 10/8

84°

Highest Temperature

1%

Sunny. High 84F. Winds WNW at 5 to 10 mph.

Tonight

Thu 10/8

57°

Lowest Temperature

7%

A few passing clouds. Low 57F. Winds WNW at 5 to 10 mph.

Tomorrow

Fri 10/9

73°

Highest Temperature

7%

Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 73F. Winds W at 10 to 15 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Castro Valley

Hourly Weather Forecast & Temperature

1PM

79°

Feels Like 80°

HEAT ADVISORY

Sunny

W 7 mph

Wind

1010 mb

Pressure

43%

Humidity

6

UV Index

10mi

Visibility

3%

Cloud Cover

2PM

82°

Feels Like 82°

HEAT ADVISORY

Sunny

WNW 8 mph

Wind

1010 mb

Pressure

39%

Humidity

5

UV Index

10mi

Visibility

3%

Cloud Cover

3PM

83°

Feels Like 83°

HEAT ADVISORY

Sunny

WNW 9 mph

Wind

1009 mb

Pressure

38%

Humidity

4

UV Index

10mi

Visibility

2%

Cloud Cover

4PM

82°

Feels Like 82°

HEAT ADVISORY

Sunny

WNW 10 mph

Wind

1008 mb

Pressure

39%

Humidity

2

UV Index

10mi

Visibility

0%

Cloud Cover

5PM

80°

Feels Like 81°

HEAT ADVISORY

Sunny

WNW 10 mph

Wind

1008 mb

Pressure

42%

Humidity

1

UV Index

10mi

Visibility

0%

Cloud Cover

6PM

1%

76°

Feels Like 76°

HEAT ADVISORY

Sunny

WNW 8 mph

Wind

1008 mb

Pressure

50%

Humidity

0

UV Index

10mi

Visibility

1%

Cloud Cover

7PM

1%

70°

Feels Like 70°

HEAT ADVISORY

Clear

WNW 7 mph

Wind

1008 mb

Pressure

61%

Humidity

0

UV Index

10mi

Visibility

0%

Cloud Cover

8PM

3%

67°

Feels Like 67°

HEAT ADVISORY

Clear

WNW 5 mph

Wind

1009 mb

Pressure

69%

Humidity

0

UV Index

10mi

Visibility

0%

Cloud Cover

9PM

4%

65°

Feels Like 65°

HEAT ADVISORY

Clear

WNW 4 mph

Wind

1009 mb

Pressure

75%

Humidity

0

UV Index

10mi

Visibility

9%

Cloud Cover

10PM

5%

64°

Feels Like 64°

HEAT ADVISORY

Clear

WNW 4 mph

Wind

1009 mb

Pressure

78%

Humidity

0

UV Index

10mi

Visibility

7%

Cloud Cover

11PM

5%

62°

Feels Like 62°

Clear

WNW 3 mph

Wind

1009 mb

Pressure

82%

Humidity

0

UV Index

10mi

Visibility

9%

Cloud Cover

12AM

6%

61°

Feels Like 61°

Clear

WNW 3 mph

Wind

1009 mb

Pressure

82%

Humidity

0

UV Index

10mi

Visibility

17%

Cloud Cover

Thu 10/8

Thu

1%

57°

84°

Sunshine. Highs in the mid 80s and lows in the upper 50s.

84°

Feels Like

WNW 10 mph

Wind

43%

Humidity

6

UV Index

7:10 AM

Sunrise

6:40 PM

Sunset

Fri 10/9

Fri

7%

57°

73°

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

73°

Feels Like

W 12 mph

Wind

72%

Humidity

6

UV Index

7:11 AM

Sunrise

6:39 PM

Sunset

Sat 10/10

Sat

23%

55°

65°

COASTAL FLOOD ADVISORY

Mostly sunny. Highs in the mid 60s and lows in the low 50s.

65°

Feels Like

WSW 15 mph

Wind

68%

Humidity

6

UV Index

7:12 AM

Sunrise

6:38 PM

Sunset

Sun 10/11

Sun

6%

51°

66°

COASTAL FLOOD ADVISORY

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

66°

Feels Like

WSW 10 mph

Wind

62%

Humidity

5

UV Index

7:12 AM

Sunrise

6:36 PM

Sunset

Mon 10/12

Mon

10%

50°

71°

COASTAL FLOOD ADVISORY

Plenty of sun. Highs in the low 70s and lows in the low 50s.

71°

Feels Like

NNW 9 mph

Wind

57%

Humidity

5

UV Index

7:13 AM

Sunrise

6:35 PM

Sunset

Tue 10/13

Tue

7%

51°

72°

COASTAL FLOOD ADVISORY

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

72°

Feels Like

WSW 11 mph

Wind

59%

Humidity

5

UV Index

7:14 AM

Sunrise

6:33 PM

Sunset

Wed 10/14

Wed

6%

52°

75°

Abundant sunshine. Highs in the mid 70s and lows in the low 50s.

75°

Feels Like

W 10 mph

Wind

57%

Humidity

5

UV Index

7:15 AM

Sunrise

6:32 PM

Sunset

Thu 10/15

Thu

2%

53°

78°

Abundant sunshine. Highs in the upper 70s and lows in the upper 50s.

78°

Feels Like

N 11 mph

Wind

36%

Humidity

5

UV Index

7:16 AM

Sunrise

6:30 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?

• 19912 Conrad Ct, Castro Valley, CA 94546
• 3636 Arcadian Dr, Castro Valley, CA 94546
• 24227 Palomares Rd, Castro Valley, CA 94552

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

Latest Stories from California

Tropical Storm Rachel targets the West Coast with flooding rain and gusty winds

Tropical Storm Rachel is forecast to bring some trouble to the West in the form of flooding rains, strong winds and even a snowstorm in the Northwest.

Rare tale of two coasts unfolds as tropical systems target the Gulf and the West Coast

A rare weather setup is taking shape across the U.S. this weekend, with tropical systems threatening to impact both coasts at nearly the same time.

West Coast still baking under summer-like heat, while fall chill starts to ease grip on the East

The chilly fall temperatures in the East are beginning to slip away, while unseasonably high temperatures refuse to fade on the West Coast.

Over 1,000 endangered frogs have been released into California wilderness to help boost self-sustaining life

A critically endangered frog species is making a comeback after hundreds were released into its native habitat on the West Coast.

Load More Stories