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National Weather Service:
Coastal Flood Advisory



Bay Area Forecast

Today's Highs/Lows
Concord 66° / 52°
Fairfield 64° / 50°
Fremont 63° / 54°
Hayward 63° / 54°
Livermore 66° / 52°
Moffett Field 64° / 54°
Napa 64° / 52°
Oakland 63° / 54°
Redwood City 63° / 54°
San Francisco 63° / 55°
San Jose 63° / 54°
San Rafael 64° / 52°
Santa Cruz 66° / 55°

Going Somewhere?

Selected Highs/Lows
Arcata 61° / 54°
Bakersfield 59° / 46°
Fresno 63° / 54°
Henderson 63° / 48°
Los Angeles 72° / 52°
Monterey 63° / 54°
Mount Shasta 55° / 41°
Palm Springs 77° / 52°
Redding 59° / 50°
Reno 61° / 34°
Sacramento 66° / 52°
San Diego 70° / 55°
S. Lake Tahoe 52° / 30°
Ukiah 61° / 50°
Yosemite 55° / 39°
Weather

Current Conditions
Update: 11:54 PM

Castro Valley, CA
Light Rain

Light Rain Temperature: 58°
Wind: SSE 5 mph
Dew point:56°
Pressure:30.28 in.
Humidity: 93%
Visibility: 3.0 miles
Observed at: Hayward, CA

Forecast for Castro Valley

partlycloudy

Sunday

Mostly cloudy. High of 63F. Winds from the SSW at 5 to 10 mph shifting to the West in the afternoon.

nt_partlycloudy

Sunday Night

Partly cloudy. Fog overnight. Low of 54F. Winds less than 5 mph.

partlycloudy

Monday

Partly cloudy. Fog early. High of 64F. Winds from the NW at 5 to 10 mph.

Bay Area Temps

Updated: 3:27 AM EST on December 21, 2014
Fairfield
57°
Half Moon Bay
57°
Hayward
58°
Livermore
58°
Moffett Field
60°
Napa
57°
Novato
57°
Oakland
55°
Richmond
55°
San Francisco
59°
San Jose
58°
Santa Rosa
55°
Walnut Creek
58°
Map


World Weather Search

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

5 Day Forecast for ZIP Code 94546

Sunday Monday Tuesday Wednesday Thursday
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
High: 63°
Low: 54°
Detail | Almanac
Partly Cloudy
High: 64°
Low: 50°
Detail | Almanac
Partly Cloudy
High: 70°
Low: 50°
Detail | Almanac
Mostly Cloudy
High: 66°
Low: 50°
Detail | Almanac
Partly Cloudy
High: 61°
Low: 45°
Detail | Almanac

Extended forecast for Castro Valley

nt_partlycloudy Monday Night

Partly cloudy. Fog overnight. Low of 50F. Winds less than 5 mph.

partlycloudy Tuesday

Partly cloudy. Fog early. High of 70F. Winds less than 5 mph.

nt_partlycloudy Tuesday Night

Partly cloudy. Low of 50F. Winds less than 5 mph.

mostlycloudy Wednesday

Mostly cloudy. High of 66F. Winds less than 5 mph.

nt_partlycloudy Wednesday Night

Overcast in the evening, then clear. Low of 50F. Winds from the WNW at 5 to 10 mph.

partlycloudy Thursday

Partly cloudy in the morning, then clear. High of 61F. Winds from the North at 10 to 15 mph.

nt_clear Thursday Night

Clear. Low of 45F. Winds from the NNE at 5 to 10 mph.

partlycloudy Friday

Partly cloudy. High of 61F. Winds from the NE at 5 to 10 mph.

nt_partlycloudy Friday Night

Partly cloudy. Low of 45F. Winds from the East at 5 to 10 mph.

partlycloudy Saturday

Partly cloudy. High of 63F. Winds less than 5 mph.

nt_partlycloudy Saturday Night

Partly cloudy. Low of 43F. Winds less than 5 mph.

mostlycloudy Sunday

Mostly cloudy. High of 63F. Winds less than 5 mph.

nt_mostlycloudy Sunday Night

Mostly cloudy. Low of 46F. Winds less than 5 mph.

partlycloudy Monday

Partly cloudy. High of 61F. Winds less than 5 mph.

nt_partlycloudy Monday Night

Partly cloudy. Low of 39F. Winds less than 5 mph.

mostlycloudy Tuesday

Mostly cloudy. High of 55F. Winds from the East at 5 to 10 mph.

nt_partlycloudy Tuesday Night

Partly cloudy. Fog overnight. Low of 39F. Winds less than 5 mph.

partlycloudy Wednesday

Clear. High of 55F. Winds less than 5 mph.

nt_clear Wednesday Night

Clear. Fog overnight. Low of 39F. Winds less than 5 mph.

Almanac

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

December 21, 2014
Normal high: 57°
Record high: 73° (1999)
 
Normal low: 42°
Record low: 12° (2013)
 

Complete weather almanac

Astronomy

Sunrise: 07:19 AM (PST)
Moon Rise: 06:42 AM (PST)
 
Sunset: 04:53 PM (PST)
Moon Set: 05:03 PM (PST)
Moon Phase
 
Dec. 21 Dec. 21 Dec. 28 Jan. 04 Jan. 13

Air Pollution Forecast for Oakland

  Air Quality AQ Index Pollutant
YesterdayGoodPM2.5
YesterdayGoodOZONE
CurrentGoodPM2.5
CurrentGoodOZONE
SatModerate PM2.5
SunModerate PM2.5
MonModerate PM2.5
TueModerate PM2.5
WedModerate PM2.5

Bay Area Conditions

  Yesterday Today Conditions
  High Low High Low  
Antioch 61° 53° 66° 52° Overcast
Benicia 61° 53° 66° 52° Overcast
Berkeley 60° 54° 63° 54° Light Drizzle
Brentwood 63° 55° 66° 52° Overcast
Concord 61° 53° 66° 52° Overcast
Fairfield 57° 52° 64° 50° Overcast
Fremont 63° 54° 63° 54° Light Rain
Half Moon Bay 61° 54° 63° 54° Overcast
Hayward 63° 54° 63° 54° Light Rain
Livermore 63° 55° 66° 52° Overcast
Moffett Field 61° 55° 64° 54° Overcast
Napa 57° 50° 64° 52° Overcast
Novato 57° 50° 64° 52° Overcast
Oakland 60° 54° 63° 54° Light Drizzle
Richmond 60° 54° 63° 54° Light Drizzle
Redwood City 59° 55° 63° 54° Overcast
San Francisco 63° 55° 63° 55° Overcast
San Jose 63° 54° 63° 54° Overcast
San Mateo 63° 55° 63° 55° Overcast
San Rafael 57° 50° 64° 52° Overcast
San Ramon 63° 55° 66° 52° Overcast
Santa Rosa 57° 52° 63° 45° Overcast
Santa Cruz 63° 55° 66° 55° Overcast
Tracy 57° 52° 63° 54° Overcast
Vacaville 57° 53° 66° 52° Overcast
Walnut Creek 61° 53° 66° 52° Overcast
Arcata 57° 51° 61° 54° Light Rain
Bakersfield 63° 48° 59° 46° Scattered Clouds
Fresno 63° 52° 63° 54° Scattered Clouds
Henderson 55° 37° 63° 48° Clear
Los Angeles 64° 50° 72° 52° Clear
Monterey 63° 55° 63° 54° Overcast
Mount Shasta 45° 41° 55° 41° Mostly Cloudy
Palm Springs 66° 46° 77° 52° Clear
Redding 54° 52° 59° 50° Overcast
Reno 52° 39° 61° 34° Overcast
Sacramento 57° 54° 66° 52° Overcast
San Diego 66° 52° 70° 55° Mostly Cloudy
South Lake Tahoe 45° 36° 52° 30° Overcast
Ukiah 54° 50° 61° 50° Overcast
Yosemite National Park 50° 46° 55° 39° Overcast

... Coastal Flood Advisory remains in effect from 9 am Sunday to
3 PM PST Tuesday...

* timing... generally speaking... extreme high tides are expected
to occur during the mid to late morning hours of December
21st... 22nd and 23rd. Extreme low tide will occur during the
late afternoon to late evening hours. The exact timing of
tides is location dependent so please visit
tidesandcurrents.NOAA.Gov/ports/... for more specific tidal
information.

* Locations... low lying areas along the immediate coast and Bay
front including marshes and sloughs. These locations may
include parking lots... coastal trails... sidewalks...
underpasses and roadways.

* Impacts... sea water on roadways... parking lots... trails and
sidewalks. People visiting beaches may lose entry and exit to
coves and narrow beaches.

Precautionary/preparedness actions...

A coastal Flood Advisory indicates that onshore winds and tides
will combine to generate flooding of low areas along the shore.
Do not leave your vehicle in low lying parking lots near the
coast or Bay front. Do not travel through flooded roadways. If
visiting the coast avoid narrow beaches and coves.




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