Major Ice Storm Continues in Southern U.S.

A solid core of cold air with well-below normal temperatures continues to interact with increasing moisture for an extensive stretch of ice with some sleet. This regime will continue through Wednesday with the potential for additional and significant ice accretion, especially in portions of Texas. Meanwhile, heavy to excessive rain is also coming into frame for Wednesday near the Arklatex. Read More >

Hazardous Weather Conditions

Frost Advisory in effect from February 1, 12:00 AM PST until February 1, 09:00 AM PST

En Español

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33ft.

Clear

37°F

3°C

Humidity	64%
Wind Speed	N 0 MPH
Barometer	30.19 in (1022.35 mb)
Dewpoint	26°F (-3°C)
Visibility	10.00 mi
Last update	01 Feb 12:35 AM PST

More Information:

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

Extended Forecast for

Napa CA

Frost Advisory until February 1, 09:00am

Click here for hazard details and duration

Frost Advisory

Frost Advisory until February 1, 09:00am

NOW until
9:00am Wed

Frost Advisory
Overnight

Patchy Frost
Low: 37 °F
Wednesday

Mostly Sunny
High: 57 °F
Wednesday
Night

Partly Cloudy
Low: 35 °F
Thursday

Patchy Frost
then Chance
Rain
High: 57 °F
Thursday
Night

Rain Likely
Low: 43 °F
Friday

Chance Rain
then Mostly
Cloudy
High: 55 °F
Friday
Night

Mostly Cloudy
Low: 38 °F
Saturday

Mostly Cloudy
High: 58 °F

Detailed Forecast

Overnight

Patchy frost after 2am. Otherwise, partly cloudy, with a steady temperature around 37. Light and variable wind.

Wednesday

Mostly sunny, with a high near 57. East northeast wind 6 to 11 mph.

Wednesday Night

Partly cloudy, with a low around 35. East wind 5 to 7 mph becoming calm in the evening.

Thursday

A 30 percent chance of rain after 4pm. Patchy frost before 7am. Otherwise, mostly cloudy, with a high near 57. East wind 5 to 7 mph becoming south in the afternoon.

Thursday Night

Rain likely, mainly between 10pm and 4am. Cloudy, with a low around 43. South wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Friday

A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 55. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Mostly cloudy, with a low around 38.

Saturday

Mostly cloudy, with a high near 58.

Saturday Night

Rain likely, mainly after 4am. Mostly cloudy, with a low around 43.

Sunday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 57.

Sunday Night

A slight chance of rain. Partly cloudy, with a low around 39.