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Bay Area Forecast

Today's Highs/Lows
Concord 79° / 52°
Fairfield 81° / 50°
Fremont 72° / 52°
Hayward 72° / 52°
Livermore 79° / 55°
Moffett Field 75° / 55°
Napa 77° / 50°
Oakland 70° / 54°
Redwood City 72° / 54°
San Francisco 72° / 54°
San Jose 77° / 54°
San Rafael 73° / 45°
Santa Cruz 72° / 50°

Going Somewhere?

Selected Highs/Lows
Arcata 54° / 46°
Bakersfield 82° / 63°
Fresno 88° / 59°
Henderson 88° / 63°
Los Angeles 75° / 55°
Monterey 64° / 52°
Mount Shasta 72° / 41°
Palm Springs 93° / 66°
Redding 82° / 48°
Reno 75° / 45°
Sacramento 81° / 54°
San Diego 68° / 61°
S. Lake Tahoe 66° / 32°
Ukiah 79° / 46°
Yosemite 64° / 36°
Weather

Current Conditions
Update: 5:54 AM

Castro Valley, CA
Clear

Clear Temperature: 49°
Wind: ENE 5 mph
Dew point:47°
Pressure:29.94 in.
Humidity: 93%
Visibility: 9.0 miles
Observed at: Hayward, CA

Forecast for Castro Valley

partlycloudy

Wednesday

Partly cloudy in the morning, then clear. High of 72F. Winds from the West at 5 to 15 mph.

nt_clear

Wednesday Night

Clear in the evening, then mostly cloudy. Low of 52F. Winds from the WSW at 5 to 10 mph.

partlycloudy

Thursday

Overcast in the morning, then partly cloudy. High of 68F. Breezy. Winds from the WSW at 10 to 20 mph.

Bay Area Temps

Updated: 9:43 AM EDT on April 16, 2014
Fairfield
52°
Half Moon Bay
46°
Hayward
49°
Livermore
52°
Moffett Field
53°
Napa
46°
Novato
43°
Oakland
55°
Richmond
55°
San Francisco
53°
San Jose
51°
Santa Rosa
44°
Walnut Creek
52°
Map


World Weather Search

Enter any City, State or ZIP Code, or Airport Code or Country

5 Day Forecast for ZIP Code 94546

Wednesday Thursday Friday Saturday Sunday
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
High: 72°
Low: 52°
Detail | Almanac
Partly Cloudy
High: 68°
Low: 48°
Detail | Almanac
Partly Cloudy
High: 66°
Low: 48°
Detail | Almanac
Partly Cloudy
High: 68°
Low: 50°
Detail | Almanac
Partly Cloudy
High: 66°
Low: 48°
Detail | Almanac

Extended forecast for Castro Valley

nt_partlycloudy Thursday Night

Partly cloudy. Low of 48F. Breezy. Winds from the West at 10 to 20 mph.

partlycloudy Friday

Overcast in the morning, then partly cloudy. High of 66F. Breezy. Winds from the West at 10 to 20 mph.

nt_partlycloudy Friday Night

Clear in the evening, then partly cloudy. Low of 48F. Winds from the WSW at 5 to 10 mph.

partlycloudy Saturday

Mostly cloudy in the morning, then clear. High of 68F. Winds from the West at 5 to 15 mph.

nt_clear Saturday Night

Clear in the evening, then partly cloudy. Low of 50F. Winds from the West at 5 to 10 mph.

partlycloudy Sunday

Partly cloudy. High of 66F. Winds from the West at 5 to 15 mph.

nt_partlycloudy Sunday Night

Partly cloudy. Low of 48F. Winds less than 5 mph.

mostlycloudy Monday

Partly cloudy. High of 61F. Winds from the West at 5 to 15 mph.

nt_partlycloudy Monday Night

Clear with a chance of rain. Low of 46F. Winds from the West at 10 to 15 mph. Chance of rain 20%.

chancerain Tuesday

Partly cloudy with a chance of rain. High of 63F. Breezy. Winds from the WNW at 20 to 25 mph. Chance of rain 40%.

nt_clear Tuesday Night

Clear. Low of 46F. Winds from the NW at 10 to 15 mph.

partlycloudy Wednesday

Clear. High of 66F. Winds from the NW at 10 to 15 mph.

nt_partlycloudy Wednesday Night

Partly cloudy. Low of 50F. Winds from the WNW at 5 to 15 mph.

partlycloudy Thursday

Clear. High of 70F. Winds from the WNW at 5 to 10 mph.

nt_clear Thursday Night

Clear. Low of 48F. Winds from the West at 5 to 10 mph.

clear Friday

Clear. High of 68F. Winds from the West at 5 to 10 mph.

nt_partlycloudy Friday Night

Partly cloudy. Low of 50F. Winds from the West at 5 to 10 mph.

mostlycloudy Saturday

Partly cloudy. High of 68F. Winds from the West at 5 to 15 mph.

nt_clear Saturday Night

Clear. Fog overnight. Low of 50F. Winds from the West at 5 to 10 mph.

Almanac

Key: T = Trace of precipitation
MM = data not available

April 16, 2014
Normal high: 66°
Record high: 84° (1999)
 
Normal low: 49°
Record low: 40° (2008)
 

Complete weather almanac

Astronomy

Sunrise: 06:31 AM (PDT)
Moon Rise: 09:32 PM (PDT)
 
Sunset: 07:45 PM (PDT)
Moon Set: 07:24 AM (PDT)
Moon Phase
 
Apr. 16 Apr. 22 Apr. 29 May. 06 May. 14

Air Pollution Forecast for Oakland

  Air Quality AQ Index Pollutant
YesterdayModeratePM2.5
YesterdayGoodOZONE
CurrentModeratePM2.5
WedModerate PM2.5
ThuGood PM2.5
FriGood PM2.5
SatGood PM2.5
SunGood PM2.5

Bay Area Conditions

  Yesterday Today Conditions
  High Low High Low  
Antioch 75° 50° 79° 52° Clear
Benicia 75° 50° 79° 52° Clear
Berkeley 66° 52° 70° 54° Partly Cloudy
Brentwood 79° 50° 79° 55° Clear
Concord 75° 50° 79° 52° Clear
Fairfield 75° 50° 81° 50° Clear
Fremont 64° 48° 72° 52° Clear
Half Moon Bay 57° 46° 63° 52° Overcast
Hayward 64° 48° 72° 52° Clear
Livermore 79° 50° 79° 55° Clear
Moffett Field 68° 54° 75° 55° Clear
Napa 68° 46° 77° 50° Partly Cloudy
Novato 68° 46° 73° 45° Overcast
Oakland 66° 52° 70° 54° Partly Cloudy
Richmond 66° 52° 70° 54° Partly Cloudy
Redwood City 70° 52° 72° 54° Partly Cloudy
San Francisco 64° 52° 72° 54° Clear
San Jose 72° 45° 77° 54° Clear
San Mateo 64° 52° 72° 54° Clear
San Rafael 68° 46° 73° 45° Overcast
San Ramon 79° 50° 79° 55° Clear
Santa Rosa 73° 48° 75° 50° Fog
Santa Cruz 64° 52° 72° 50° Overcast
Tracy 81° 52° 82° 50° Clear
Vacaville 81° 48° 82° 50° Clear
Walnut Creek 75° 50° 79° 52° Clear
Arcata 61° 45° 54° 46° Clear
Bakersfield 88° 61° 82° 63° Clear
Fresno 91° 61° 88° 59° Scattered Clouds
Henderson 82° 50° 88° 63° Clear
Los Angeles 72° 55° 75° 55° Overcast
Monterey 61° 52° 64° 52° Overcast
Mount Shasta 68° 39° 72° 41° Clear
Palm Springs 93° 64° 93° 66° Clear
Redding 82° 46° 82° 48° Clear
Reno 75° 45° 75° 45° Partly Cloudy
Sacramento 82° 52° 81° 54° Clear
San Diego 70° 50° 68° 61° Overcast
South Lake Tahoe 64° 32° 66° 32° Clear
Ukiah 81° 45° 79° 46° Clear
Yosemite National Park 77° 46° 64° 36° Clear
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