National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Southern U.S. Heavy Rain; Lake Effect Snow Redevelops

Locally heavy rain may bring a threat of flash, urban, and small stream flooding across the lower Mississippi Valley Thursday and Friday. A clipper crossing southern Canada will bring lake effect snow to the Great Lakes and light snow to the Northeast Thursday into Saturday morning. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

52°F

11°C

Humidity 61%
Wind Speed SSW 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 21 Jan 04:54 PM PST
Extended Forecast for

Napa CASimilar City Names

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Calm wind becoming south 5 to 7 mph.

    Mostly Cloudy

    Low: 42 °F

  • Friday

    Friday: A 40 percent chance of showers, mainly before 4pm. Mostly cloudy, with a high near 54. Calm wind becoming north northwest 5 to 7 mph in the morning. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance
    Showers

    High: 54 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers before 10pm. Patchy fog after 9pm. Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36. North northwest wind 3 to 6 mph.

    Slight Chance
    Showers and
    Patchy Fog

    Low: 36 °F

  • Saturday

    Saturday: Patchy fog before 9am. Patchy frost before 7am. Otherwise, sunny, with a high near 60. Northwest wind around 5 mph.

    Patchy Frost
    and Patchy
    Fog then
    Sunny

    High: 60 °F

  • Saturday
    Night

    Saturday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 35. Calm wind.

    Clear then
    Patchy Frost

    Low: 35 °F

  • Sunday

    Sunday: Rain likely after 10am. Patchy fog before 9am. Areas of frost before 7am. Otherwise, mostly cloudy, with a high near 52. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely
    and Patchy
    Fog

    High: 52 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of rain. Patchy frost after 4am. Otherwise, mostly cloudy, with a low around 36.

    Chance Rain

    Low: 36 °F

  • Monday

    Monday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 54.

    Areas Frost
    then Sunny

    High: 54 °F

  • Monday
    Night

    Monday Night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32.

    Mostly Clear
    then Frost

    Low: 32 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. Calm wind becoming south 5 to 7 mph.
Friday
A 40 percent chance of showers, mainly before 4pm. Mostly cloudy, with a high near 54. Calm wind becoming north northwest 5 to 7 mph in the morning. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 20 percent chance of showers before 10pm. Patchy fog after 9pm. Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36. North northwest wind 3 to 6 mph.
Saturday
Patchy fog before 9am. Patchy frost before 7am. Otherwise, sunny, with a high near 60. Northwest wind around 5 mph.
Saturday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 35. Calm wind.
Sunday
Rain likely after 10am. Patchy fog before 9am. Areas of frost before 7am. Otherwise, mostly cloudy, with a high near 52. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 40 percent chance of rain. Patchy frost after 4am. Otherwise, mostly cloudy, with a low around 36.
Monday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 54.
Monday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32.
Tuesday
A slight chance of showers between 10am and 1pm, then a slight chance of rain after 1pm. Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 53.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Wednesday
Rain likely. Mostly cloudy, with a high near 53.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Mostly cloudy, with a high near 55.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Napa CASimilar City Names
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
3:02 pm PST Jan 21, 2021
Forecast Valid:
5pm PST Jan 21, 2021-6pm PST Jan 28, 2021
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation