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Napa, CA 94559 Weather

It is 66°F and clear in Napa, CA 94559, observed at 4:25 PM PDT. Today: Mostly Cloudy, high 67°F, low 45°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).

Napa, CA 94559 current weather

66°F

Clear

H 67° / L 45°Feels like 66°

Observed at Napa, Napa County Airport (4.5 mi away), 10/29/2026, 4:25 PM PDT

1 active alert

From the National Weather Service for this forecast zone or county

State alerts

Minor1Minimal to no known threat

Hourly forecast

NWS, updated 10/29/2026, 3:11 PM PT

  1. Now66°
  2. 5 PM65°
  3. 6 PM62°
  4. 7 PM59°
  5. 8 PM58°
  6. 9 PM56°
  7. 10 PM55°
  8. 11 PM54°
  9. 12 AM52°Fri
  10. 1 AM51°
  11. 2 AM50°
  12. 3 AM49°
  13. 4 AM47°
  14. 5 AM47°
  15. 6 AM46°
  16. 7 AM46°
  17. 8 AM46°
  18. 9 AM49°
  19. 10 AM55°
  20. 11 AM60°
  21. 12 PM62°
  22. 1 PM64°
  23. 2 PM66°
  24. 3 PM66°
  25. 4 PM66°
  26. 5 PM64°
  27. 6 PM60°
  28. 7 PM56°
  29. 8 PM55°
  30. 9 PM53°
  31. 10 PM52°
  32. 11 PM50°
  33. 12 AM49°Sat
  34. 1 AM48°
  35. 2 AM47°
  36. 3 AM45°
  37. 4 AM45°
  38. 5 AM44°
  39. 6 AM44°
  40. 7 AM43°
  41. 8 AM44°
  42. 9 AM48°
  43. 10 AM53°
  44. 11 AM58°
  45. 12 PM60°
  46. 1 PM62°
  47. 2 PM62°
  48. 3 PM62°

10-day forecast

Tap a day for details

  • Today10/29Low 45°High 67°

    This Afternoon: Mostly cloudy. High near 67, with temperatures falling to around 65 in the afternoon. South southwest wind around 5 mph.

    Tonight: Areas of fog after 4am. Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. Wind around 0 mph.

    Mostly Cloudy
  • Fri10/30Low 43°High 67°

    Friday: Areas of fog before 10am. Sunny. High near 67, with temperatures falling to around 64 in the afternoon. Southwest wind 0 to 8 mph.

    Friday Night: Areas of fog after 3am. Mostly cloudy, with a low around 43. West northwest wind 0 to 6 mph.

    Areas Of Fog then Sunny
  • Sat10/3136% chance of precipitationLow 41°High 63°

    Saturday: Areas of fog before 10am, then a chance of rain showers. Mostly cloudy, with a high near 63. West southwest wind 0 to 8 mph. Chance of precipitation is 30%.

    Saturday Night: A chance of rain showers before 1am, then a chance of rain showers and patchy fog between 1am and 2am, then areas of fog and a chance of rain showers. Mostly cloudy, with a low around 41. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

    Areas Of Fog then Chance Rain Showers
  • Sun11/1Low 42°High 66°

    Sunday: Patchy fog before 7am. Sunny, with a high near 66.

    Sunday Night: Mostly clear, with a low around 42.

    Patchy Fog then Sunny
  • Mon11/2Low 42°High 69°

    Monday: Mostly sunny, with a high near 69.

    Monday Night: Mostly cloudy, with a low around 42.

    Mostly Sunny
  • Tue11/3Low 44°High 68°

    Tuesday: Mostly sunny, with a high near 68.

    Tuesday Night: Partly cloudy, with a low around 44.

    Mostly Sunny
  • Wed11/414% chance of precipitationLow 44°High 66°

    Wednesday: Mostly sunny, with a high near 66.

    Wednesday Night: Areas of fog after 2am. Mostly cloudy, with a low around 44.

    Mostly Sunny
  • Thu11/5Model blend26% chance of precipitationLow 44°High 64°

    Thursday: Partly cloudy, slight chance of rain. High near 64°. Low that night near 44°. About 0.01 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blend12% chance of precipitationLow 44°High 67°

    Friday: Partly cloudy. High near 67°. Low that night near 44°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blendLow 44°High 66°

    Saturday: Partly cloudy. High near 66°. Low that night near 44°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 38.250, -122.342 from the NWS MTR office, updated 10/29/2026, 3:11 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KAPC (Napa Cnty Arpt, 4 mi), model run 10/29/2026, 1:00 PM PDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now66°Mostly Cloudy1%5 mph
  2. 5 PM65°Cloudy2%3 mph
  3. 6 PM62°Cloudy3%0 mph
  4. 7 PM59°Cloudy4%0 mph
  5. 8 PM58°Mostly Cloudy3%0 mph
  6. 9 PM56°Mostly Cloudy5%0 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Napa, CA 94559 right now?
The latest observation from Napa, Napa County Airport was 66°F and clear, reported at 10/29/2026, 4:25 PM PDT.
What is the high temperature today in Napa, CA 94559?
The National Weather Service forecast for this afternoon calls for a high near 67°F. Mostly Cloudy.
Will it rain in Napa, CA 94559 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Napa, CA 94559?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 64°F to 67°F. Model guidance this far out often changes.
What time is sunrise and sunset in Napa, CA 94559 today?
Sunrise is about 7:32 AM PDT and sunset is about 6:13 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Napa, CA 94559?
At Napa CO AP, the 1991 to 2020 normal high in October is 75°F and the normal low is 46°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.04 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

California hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Napa)
44GoodPM2.5
AQI forecast tomorrow (Napa)
33GoodOzone

UV index guide · Air quality

Drought

By county

Napa County, week of 10/27/2026

27% of the county is abnormally dry. No drought.

Tides nearby

NOAA tide stations

Sun and moon

Local time, center of the area

Sunrise
7:32 AM
Sunset
6:13 PM
Daylight
10 hr 41 min
Moon
Waning Gibbous 84% lit
First light (civil dawn)
7:05 AM
Last light (civil dusk)
6:40 PM
Moonrise
8:52 PM
Moonset
11:48 AM

Normal October weather

Climate

Normal October high 75°, low 46°, precipitation 0.93 in for the month. 1991 to 2020 normals at Napa CO AP, 4 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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