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

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Berkeley Lab (LBNL1)

Lat: 37.8771°NLon: 122.2486°WElev: 888.0ft.

49°F

9°C

Humidity	63%
Wind Speed	ESE 1 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Last update	27 Jan 06:00 AM PST

More Information:

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

Extended Forecast for

Hercules CA

Today
High: 59 °F
Increasing
Clouds
Tonight
Low: 48 °F
Chance Rain
Wednesday
High: 59 °F
Decreasing
Clouds
Wednesday Night
Low: 44 °F
Increasing
Clouds
Thursday
High: 61 °F
Mostly Sunny
Thursday Night
Low: 46 °F
Mostly Cloudy
Friday
High: 61 °F
Mostly Cloudy
Friday Night
Low: 47 °F
Mostly Cloudy
Saturday
High: 62 °F
Partly Sunny

Detailed Forecast

Today

Increasing clouds, with a high near 59. East wind 6 to 16 mph becoming south southwest in the afternoon.

Tonight

A 40 percent chance of rain. Mostly cloudy, with a low around 48. South southwest wind 5 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Mostly cloudy, then gradually becoming sunny, with a high near 59. North northeast wind 5 to 11 mph.

Wednesday Night

Increasing clouds, with a low around 44. North wind 3 to 5 mph.

Thursday

Mostly sunny, with a high near 61. Northeast wind 3 to 6 mph.

Thursday Night

Mostly cloudy, with a low around 46.

Friday

Mostly cloudy, with a high near 61.

Friday Night

Mostly cloudy, with a low around 47.