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Bay Area Forecast

Today's Highs/Lows
Concord 64° / 43°
Fairfield 63° / 43°
Fremont 64° / 45°
Hayward 64° / 48°
Livermore 64° / 41°
Moffett Field 64° / 43°
Napa 63° / 43°
Oakland 63° / 46°
Redwood City 64° / 45°
San Francisco 63° / 48°
San Jose 64° / 41°
San Rafael 63° / 41°
Santa Cruz 66° / 45°

Going Somewhere?

Selected Highs/Lows
Arcata 59° / 41°
Bakersfield 61° / 45°
Fresno 61° / 43°
Henderson 59° / 41°
Los Angeles 63° / 50°
Monterey 61° / 45°
Mount Shasta 54° / 28°
Palm Springs 66° / 50°
Redding 68° / 39°
Reno 48° / 28°
Sacramento 66° / 43°
San Diego 59° / 55°
S. Lake Tahoe 41° / 16°
Ukiah 66° / 34°
Yosemite 50° / 30°
Weather

Current Conditions
Update: 6:54 AM

Castro Valley, CA
Clear

Clear Temperature: 44°
Wind: SE 5 mph
Dew point:41°
Pressure:30.00 in.
Wind chill:42°
Humidity: 89%
Visibility: 10.0 miles
Observed at: Hayward, CA

Forecast for Castro Valley

clear

Sunday

Clear. High of 64F. Winds from the NE at 5 to 10 mph shifting to the WNW in the afternoon.

nt_partlycloudy

Sunday Night

Partly cloudy. Low of 48F. Winds from the SSW at 5 to 10 mph.

partlycloudy

Monday

Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 63F. Winds from the SW at 5 to 10 mph. Chance of rain 20%.

Bay Area Temps

Updated: 10:05 AM EST on March 01, 2015
Fairfield
38°
Half Moon Bay
50°
Hayward
44°
Livermore
39°
Moffett Field
41°
Napa
36°
Novato
36°
Oakland
47°
Richmond
47°
San Francisco
50°
San Jose
41°
Santa Rosa
34°
Walnut Creek
43°
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
Clear
Chance of a Thunderstorm
Partly Cloudy
Clear
Clear
Clear
High: 64°
Low: 48°
Detail | Almanac
Chance of a Thunderstorm
High: 63°
Low: 46°
Detail | Almanac
Partly Cloudy
High: 64°
Low: 46°
Detail | Almanac
Clear
High: 66°
Low: 50°
Detail | Almanac
Clear
High: 68°
Low: 48°
Detail | Almanac

Extended forecast for Castro Valley

nt_partlycloudy Monday Night

Partly cloudy with a chance of rain. Low of 46F. Winds from the West at 5 to 10 mph shifting to the SSW after midnight. Chance of rain 20%.

partlycloudy Tuesday

Clear in the morning, then partly cloudy. High of 64F. Winds from the SW at 5 to 15 mph shifting to the West in the afternoon.

nt_clear Tuesday Night

Clear. Low of 46F. Winds less than 5 mph.

clear Wednesday

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

nt_clear Wednesday Night

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

clear Thursday

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

nt_clear Thursday Night

Clear. Low of 48F. Winds less than 5 mph.

clear Friday

Clear. High of 68F. Winds from the North at 5 to 10 mph shifting to the WNW in the afternoon.

nt_clear Friday Night

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

clear Saturday

Clear. High of 70F. Winds less than 5 mph.

nt_clear Saturday Night

Clear. Low of 46F. Winds less than 5 mph.

clear Sunday

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

nt_clear Sunday Night

Clear. Low of 45F. Winds less than 5 mph.

clear Monday

Clear. High of 70F. Winds less than 5 mph.

nt_clear Monday Night

Clear. Low of 46F. Winds less than 5 mph.

clear Tuesday

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

nt_clear Tuesday Night

Clear. Low of 52F. Winds from the South at 5 to 10 mph.

chancerain Wednesday

Clear with a chance of rain. High of 64F. Winds less than 5 mph. Chance of rain 30%.

nt_chancetstorms Wednesday Night

Clear with a chance of a thunderstorm. Fog overnight. Low of 52F. Winds less than 5 mph. Chance of rain 40%.

Almanac

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

March 1, 2015
Normal high: 62°
Record high: 72° (2013)
 
Normal low: 47°
Record low: 37° (1997)
 

Complete weather almanac

Astronomy

Sunrise: 06:39 AM (PST)
Moon Rise: 02:44 PM (PST)
 
Sunset: 06:01 PM (PST)
Moon Set: 04:04 AM (PST)
Moon Phase
 
Mar. 01 Mar. 05 Mar. 13 Mar. 20 Mar. 27

Air Pollution Forecast for Oakland

  Air Quality AQ Index Pollutant
YesterdayGoodOZONE
YesterdayGoodPM2.5
CurrentGoodPM2.5
SunGood NO2
MonModerate PM2.5
TueGood NO2
WedGood PM2.5

Bay Area Conditions

  Yesterday Today Conditions
  High Low High Low  
Antioch 63° 45° 64° 43° Clear
Benicia 63° 45° 64° 43° Clear
Berkeley 58° 44° 63° 46° Partly Cloudy
Brentwood 60° 44° 64° 41° Clear
Concord 63° 45° 64° 43° Clear
Fairfield 60° 43° 63° 43° Clear
Fremont 59° 48° 64° 45° Partly Cloudy
Half Moon Bay 55° 45° 59° 43° Clear
Hayward 57° 48° 64° 48° Clear
Livermore 60° 44° 64° 41° Clear
Moffett Field 59° 46° 64° 43° Clear
Napa 59° 35° 63° 43° Clear
Novato 59° 36° 63° 41° Clear
Oakland 58° 44° 63° 46° Partly Cloudy
Richmond 58° 44° 63° 46° Partly Cloudy
Redwood City 61° 48° 64° 45° Clear
San Francisco 61° 51° 63° 48° Partly Cloudy
San Jose 58° 46° 64° 41° Scattered Clouds
San Mateo 61° 51° 63° 48° Partly Cloudy
San Rafael 59° 36° 63° 41° Clear
San Ramon 60° 44° 64° 41° Clear
Santa Rosa 61° 36° 66° 39° Patches of Fog
Santa Cruz 60° 44° 66° 45° Clear
Tracy 61° 43° 66° 41° Fog
Vacaville 62° 43° 66° 43° Clear
Walnut Creek 63° 45° 64° 43° Clear
Arcata 60° 41° 59° 41° Clear
Bakersfield 61° 49° 61° 45° Partly Cloudy
Fresno 59° 47° 61° 43° Mostly Cloudy
Henderson 60° 46° 59° 41° Clear
Los Angeles 64° 52° 63° 50° Mostly Cloudy
Monterey 57° 45° 61° 45° Partly Cloudy
Mount Shasta 47° 32° 54° 28° Clear
Palm Springs 70° 58° 66° 50° Light Rain
Redding 65° 40° 68° 39° Clear
Reno 39° 33° 48° 28° Mostly Cloudy
Sacramento 58° 45° 66° 43° Clear
San Diego 63° 57° 59° 55° Rain
South Lake Tahoe 37° 30° 41° 16° Light Snow
Ukiah 62° 37° 66° 34° Clear
Yosemite National Park 52° 37° 50° 30° Clear
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