Home   | News   | Sports   | Living   | Entertainment   | Business   | Opinion   | Choose a Publication   | Help

Bay Area Forecast

Today's Highs/Lows
Concord 79° / 55°
Fairfield 77° / 55°
Fremont 73° / 54°
Hayward 73° / 57°
Livermore 77° / 54°
Moffett Field 75° / 55°
Napa 73° / 54°
Oakland 72° / 57°
Redwood City 75° / 55°
San Francisco 75° / 61°
San Jose 73° / 54°
San Rafael 75° / 54°
Santa Cruz 77° / 54°

Going Somewhere?

Selected Highs/Lows
Arcata 68° / 57°
Bakersfield 77° / 61°
Fresno 79° / 57°
Henderson 84° / 57°
Los Angeles 82° / 61°
Monterey 68° / 55°
Mount Shasta 61° / 46°
Palm Springs 93° / 64°
Redding 75° / 55°
Reno 73° / 43°
Sacramento 79° / 55°
San Diego 79° / 63°
S. Lake Tahoe 66° / 34°
Ukiah 75° / 54°
Yosemite 75° / 41°
Weather

Current Conditions
Update: 7:54 PM

Castro Valley, CA
Clear

Clear Temperature: 62°
Wind: NW 6 mph
Dew point:61°
Pressure:30.06 in.
Humidity: 96%
Visibility: 10.0 miles
Observed at: Hayward, CA

Forecast for Castro Valley

partlycloudy

Wednesday

Partly cloudy. High of 73F. Winds from the SSW at 5 to 10 mph.

nt_mostlycloudy

Wednesday Night

Overcast in the evening, then mostly cloudy. Low of 57F. Winds less than 5 mph.

partlycloudy

Thursday

Overcast in the morning, then mostly cloudy. High of 75F. Winds less than 5 mph.

Bay Area Temps

Updated: 10:58 PM EDT on October 22, 2014
Fairfield
69°
Half Moon Bay
63°
Hayward
62°
Livermore
65°
Moffett Field
66°
Napa
63°
Novato
63°
Oakland
64°
Richmond
64°
San Francisco
67°
San Jose
64°
Santa Rosa
62°
Walnut Creek
67°
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
Chance of Rain
Partly Cloudy
Partly Cloudy
High: 73°
Low: 57°
Detail | Almanac
Partly Cloudy
High: 75°
Low: 57°
Detail | Almanac
Partly Cloudy
High: 81°
Low: 59°
Detail | Almanac
Chance of Rain
High: 66°
Low: 55°
Detail | Almanac
Partly Cloudy
High: 68°
Low: 52°
Detail | Almanac

Extended forecast for Castro Valley

nt_partlycloudy Thursday Night

Mostly cloudy. Low of 57F. Winds less than 5 mph.

partlycloudy Friday

Partly cloudy. High of 81F. Winds less than 5 mph.

nt_partlycloudy Friday Night

Mostly cloudy with a chance of rain after midnight. Low of 59F. Winds from the West at 5 to 10 mph shifting to the SSW after midnight.

chancerain Saturday

Partly cloudy with a chance of rain, then rain showers in the afternoon. High of 66F. Breezy. Winds from the South at 10 to 20 mph. Chance of rain 60%.

nt_partlycloudy Saturday Night

Partly cloudy. Fog overnight. Low of 55F. Winds from the SW at 5 to 10 mph.

partlycloudy Sunday

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

nt_partlycloudy Sunday Night

Partly cloudy. Low of 52F. Winds from the NW at 5 to 10 mph.

partlycloudy Monday

Overcast in the morning, then clear. High of 68F. Winds from the WNW at 5 to 15 mph.

nt_partlycloudy Monday Night

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

partlycloudy Tuesday

Partly cloudy. High of 70F. Winds from the West at 5 to 10 mph.

nt_partlycloudy Tuesday Night

Partly cloudy. Low of 55F. Winds less than 5 mph.

partlycloudy Wednesday

Partly cloudy with a chance of rain. High of 70F. Winds from the South at 5 to 10 mph shifting to the West in the afternoon. Chance of rain 20%.

nt_partlycloudy Wednesday Night

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

partlycloudy Thursday

Clear. High of 68F. Winds less than 5 mph.

nt_partlycloudy Thursday Night

Clear. Fog overnight. Low of 52F. Winds less than 5 mph.

chancetstorms Friday

Partly cloudy with a chance of a thunderstorm. High of 64F. Winds less than 5 mph. Chance of rain 40%.

nt_chancerain Friday Night

Partly cloudy with a chance of rain. Low of 50F. Winds less than 5 mph. Chance of rain 30%.

partlycloudy Saturday

Clear. High of 66F. Winds less than 5 mph.

nt_clear Saturday Night

Clear. Low of 50F. Winds less than 5 mph.

clear Sunday

Clear. High of 68F. Winds less than 5 mph.

nt_clear

Almanac

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

October 22, 2014
Normal high: 71°
Record high: 86° (2008)
 
Normal low: 53°
Record low: 46° (2013)
 

Complete weather almanac

Astronomy

Sunrise: 07:23 AM (PDT)
Moon Rise: 06:11 AM (PDT) 10/22
 
Sunset: 06:21 PM (PDT)
Moon Set: 05:50 PM (PDT) 10/22
Moon Phase
 
Oct. 22 Oct. 23 Oct. 30 Nov. 06 Nov. 14

Air Pollution Forecast for Oakland

  Air Quality AQ Index Pollutant
YesterdayGoodOZONE
YesterdayGoodPM2.5
CurrentGoodPM2.5
CurrentGoodOZONE
WedGood OZONE
ThuGood NO2
FriGood OZONE
SatGood PM2.5
SunGood PM2.5
MonGood PM2.5

Bay Area Conditions

  Yesterday Today Conditions
  High Low High Low  
Antioch 72° 48° 79° 55° Clear
Benicia 72° 48° 79° 55° Clear
Berkeley 70° 48° 72° 57° Mostly Cloudy
Brentwood 73° 46° 77° 54° Scattered Clouds
Concord 72° 48° 79° 55° Clear
Fairfield 73° 43° 77° 55° Clear
Fremont 73° 48° 73° 54° Scattered Clouds
Half Moon Bay 64° 59° 68° 54° Partly Cloudy
Hayward 64° 50° 73° 57° Clear
Livermore 73° 46° 77° 54° Scattered Clouds
Moffett Field 72° 52° 75° 55° Clear
Napa 73° 43° 73° 54° Clear
Novato 72° 43° 75° 54° Partly Cloudy
Oakland 70° 48° 72° 57° Mostly Cloudy
Richmond 70° 48° 72° 57° Mostly Cloudy
Redwood City 70° 54° 75° 55° Mostly Cloudy
San Francisco 72° 55° 75° 61° Mostly Cloudy
San Jose 70° 48° 73° 54° Scattered Clouds
San Mateo 72° 55° 75° 61° Mostly Cloudy
San Rafael 72° 43° 75° 54° Partly Cloudy
San Ramon 73° 46° 77° 54° Scattered Clouds
Santa Rosa 73° 45° 73° 52° Mostly Cloudy
Santa Cruz 72° 48° 77° 54° Clear
Tracy 73° 50° 79° 54° Clear
Vacaville 75° 46° 81° 55° Clear
Walnut Creek 72° 48° 79° 55° Clear
Arcata 64° 54° 68° 57° Light Rain
Bakersfield 72° 57° 77° 61° Clear
Fresno 75° 57° 79° 57° Clear
Henderson 84° 65° 84° 57° Clear
Los Angeles 79° 64° 82° 61° Clear
Monterey 66° 50° 68° 55° Clear
Mount Shasta 55° 34° 61° 46° Overcast
Palm Springs 95° 66° 93° 64° Clear
Redding 68° 46° 75° 55° Clear
Reno 63° 40° 73° 43° Scattered Clouds
Sacramento 73° 46° 79° 55° Clear
San Diego 75° 66° 79° 63° Scattered Clouds
South Lake Tahoe 61° 34° 66° 34° Clear
Ukiah 70° 46° 75° 54° Clear
Yosemite National Park 70° 41° 75° 41° Clear
Copyright © 2014 The Weather Underground, Inc.