Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

Lat: 37.83389°NLon: 122.06694°WElev: 1760.0ft.

51°F

11°C

Humidity	77%
Wind Speed	SW 11 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Last update	27 Jan 06:28 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles NW Castro Valley CA

Tonight
Low: 49 °F
Chance Rain
and Patchy
Fog
Wednesday
High: 60 °F
Decreasing
Clouds
Wednesday Night
Low: 42 °F
Mostly Clear
Thursday
High: 62 °F
Mostly Sunny
Thursday Night
Low: 45 °F
Mostly Cloudy
Friday
High: 64 °F
Partly Sunny
Friday Night
Low: 46 °F
Mostly Cloudy
Saturday
High: 65 °F
Partly Sunny
Saturday Night
Low: 47 °F
Mostly Cloudy
then Slight
Chance Rain

Detailed Forecast

Tonight

A 50 percent chance of rain. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 49. South southwest wind 5 to 7 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Mostly cloudy, then gradually becoming sunny, with a high near 60. North northeast wind 5 to 7 mph.

Wednesday Night

Mostly clear, with a low around 42. Light northeast wind.

Thursday

Mostly sunny, with a high near 62. North northeast wind 3 to 6 mph.

Thursday Night

Mostly cloudy, with a low around 45. Calm wind.

Friday

Partly sunny, with a high near 64.

Friday Night

Mostly cloudy, with a low around 46.