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Bay Area Forecast

Today's Highs/Lows
Concord 83° / 59°
Fairfield 86° / 58°
Fremont 75° / 59°
Hayward 75° / 59°
Livermore 85° / 60°
Moffett Field 76° / 59°
Napa 79° / 54°
Oakland 70° / 59°
Redwood City 75° / 59°
San Francisco 69° / 58°
San Jose 79° / 59°
San Rafael 76° / 53°
Santa Cruz 71° / 56°

Going Somewhere?

Selected Highs/Lows
Arcata 61° / 53°
Bakersfield 97° / 70°
Fresno 96° / 65°
Henderson 98° / 78°
Los Angeles 76° / 61°
Monterey 70° / 58°
Mount Shasta 92° / 58°
Palm Springs 106° / 78°
Redding 101° / 70°
Reno 90° / 63°
Sacramento 90° / 59°
San Diego 71° / 65°
S. Lake Tahoe 76° / 50°
Ukiah 88° / 55°
Yosemite 86° / 63°
Weather

Current Conditions
Update: 10:54 AM

Castro Valley, CA
Clear

Clear Temperature: 68°
Wind: WNW 10 mph
Dew point:55°
Pressure:30.12 in.
Humidity: 63%
Visibility: 10.0 miles
Observed at: Hayward, CA

Forecast for Castro Valley

partlycloudy

Monday

Morning clouds will give way to afternoon sunshine. High around 75F. Winds WNW at 10 to 20 mph.

nt_clear

Monday Night

Partly cloudy skies during the evening will give way to considerable cloudiness and fog after midnight. Low 59F. Winds W at 10 to 20 mph.

partlycloudy

Tuesday

Mostly cloudy early, then afternoon sunshine. High 73F. Winds WNW at 10 to 20 mph.

Bay Area Temps

Updated: 2:06 PM EDT on July 06, 2015
Fairfield
70°
Half Moon Bay
63°
Hayward
68°
Livermore
75°
Moffett Field
70°
Napa
65°
Novato
66°
Oakland
66°
Richmond
66°
San Francisco
67°
San Jose
70°
Santa Rosa
66°
Walnut Creek
72°
Map


World Weather Search

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

5 Day Forecast for ZIP Code 94546

Monday Tuesday Wednesday Thursday Friday
Partly Cloudy
Partly Cloudy
Partly Cloudy
Chance of a Thunderstorm
Partly Cloudy
Partly Cloudy
High: 75°
Low: 59°
Detail | Almanac
Partly Cloudy
High: 73°
Low: 57°
Detail | Almanac
Partly Cloudy
High: 70°
Low: 58°
Detail | Almanac
Chance of T-storms
High: 70°
Low: 58°
Detail | Almanac
Partly Cloudy
High: 72°
Low: 57°
Detail | Almanac

Extended forecast for Castro Valley

nt_mostlycloudy Tuesday Night

Partly cloudy skies early will become overcast later during the night. Low 57F. Winds W at 10 to 20 mph.

partlycloudy Wednesday

Cloudy early, becoming mostly sunny in the afternoon. High around 70F. Winds W at 15 to 25 mph.

nt_mostlycloudy Wednesday Night

Partly cloudy during the evening followed by cloudy skies overnight. Low 58F. Winds W at 10 to 20 mph.

chancetstorms Thursday

Mostly cloudy...isolated thunderstorms developing during the afternoon. High around 70F. Winds W at 10 to 20 mph. Chance of rain 30%.

nt_mostlycloudy Thursday Night

Partly cloudy skies early will become overcast later during the night. Low 58F. Winds W at 10 to 20 mph.

partlycloudy Friday

Mostly cloudy early, then afternoon sunshine. High 72F. Winds WNW at 10 to 20 mph.

nt_clear Friday Night

Clear skies early will give way to low clouds and fog after midnight. Low 57F. Winds WNW at 10 to 20 mph.

partlycloudy Saturday

Morning clouds will give way to sunshine for the afternoon. High around 75F. Winds WNW at 10 to 20 mph.

nt_clear Saturday Night

Mostly clear skies early, then becoming foggy and damp later at night. Low 58F. Winds WNW at 10 to 20 mph.

partlycloudy Sunday

Morning clouds will give way to sunshine for the afternoon. High near 75F. Winds WNW at 10 to 20 mph.

nt_clear Sunday Night

Partly cloudy skies early, then becoming foggy and damp later at night. Low 57F. Winds WNW at 10 to 15 mph.

partlycloudy Monday

Mostly cloudy early, then afternoon sunshine. High 77F. Winds WNW at 10 to 20 mph.

nt_clear Monday Night

Partly cloudy skies early will give way to considerable cloudiness and fog after midnight. Low 58F. Winds WNW at 10 to 15 mph.

partlycloudy Tuesday

Cloudy early, becoming mostly sunny in the afternoon. High 79F. Winds WNW at 10 to 20 mph.

nt_clear Tuesday Night

Partly cloudy skies early will give way to considerable cloudiness and fog after midnight. Low 59F. Winds W at 10 to 20 mph.

partlycloudy Wednesday

Mostly cloudy early, then afternoon sunshine. High 82F. Winds WNW at 10 to 20 mph.

nt_partlycloudy Wednesday Night

Clear skies early then becoming mostly cloudy later at night. Low around 60F. Winds W at 10 to 15 mph.

partlycloudy Thursday

Morning clouds will give way to sunshine for the afternoon. High 82F. Winds W at 10 to 20 mph.

nt_partlycloudy Thursday Night

Clear skies early then becoming mostly cloudy later at night. Low near 60F. Winds W at 10 to 15 mph.

Almanac

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

July 6, 2015
Normal high: 73°
Record high: 81° (2011)
 
Normal low: 57°
Record low: 54° (1999)
 

Complete weather almanac

Astronomy

Sunrise: 05:52 AM (PDT)
Moon Rise: 11:50 PM (PDT)
 
Sunset: 08:33 PM (PDT)
Moon Set: 11:06 AM (PDT)
Moon Phase
 
Jul. 06 Jul. 08 Jul. 16 Jul. 24 Jul. 31

Air Pollution Forecast for Oakland

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

Bay Area Conditions

  Yesterday Today Conditions
  High Low High Low  
Antioch 79° 63° 83° 59° Clear
Benicia 79° 63° 83° 59° Clear
Berkeley 75° 61° 70° 59° Scattered Clouds
Brentwood 84° 63° 85° 60° Clear
Concord 79° 63° 83° 59° Clear
Fairfield 82° 59° 86° 58° Clear
Fremont 77° 64° 75° 59° Scattered Clouds
Half Moon Bay 64° 57° 65° 57° Haze
Hayward 75° 63° 75° 59° Clear
Livermore 84° 63° 85° 60° Clear
Moffett Field 79° 61° 76° 59° Clear
Napa 75° 57° 79° 54° Clear
Novato 72° 59° 76° 53° Clear
Oakland 75° 61° 70° 59° Scattered Clouds
Richmond 75° 61° 70° 59° Scattered Clouds
Redwood City 77° 63° 75° 59° Scattered Clouds
San Francisco 77° 59° 69° 58° Scattered Clouds
San Jose 81° 61° 79° 59° Scattered Clouds
San Mateo 77° 59° 69° 58° Scattered Clouds
San Rafael 72° 59° 76° 53° Clear
San Ramon 84° 63° 85° 60° Clear
Santa Rosa 75° 55° 78° 53° Scattered Clouds
Santa Cruz 70° 57° 71° 56° Overcast
Tracy 90° 63° 89° 60° Clear
Vacaville 97° 64° 91° 60° Clear
Walnut Creek 79° 63° 83° 59° Clear
Arcata 63° 55° 61° 53° Overcast
Bakersfield 100° 75° 97° 70° Clear
Fresno 99° 72° 96° 65° Partly Cloudy
Henderson 98° 83° 98° 78° Clear
Los Angeles 75° 64° 76° 61° Overcast
Monterey 72° 61° 70° 58° Scattered Clouds
Mount Shasta 91° 61° 92° 58° Clear
Palm Springs 108° 81° 106° 78° Partly Cloudy
Redding 102° 79° 101° 70° Clear
Reno 93° 59° 90° 63° Partly Cloudy
Sacramento 90° 61° 90° 59° Clear
San Diego 72° 66° 71° 65° Overcast
South Lake Tahoe 82° 45° 76° 50° Clear
Ukiah 90° 57° 88° 55° Clear
Yosemite National Park 95° 64° 86° 63° Clear
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