Napa weather live forecast

Today's maximum temperature in Napa is expected to be 16°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

  • Tuesday
    18th Nov
    Scattered clouds
  • Wednesday
    19th Nov
    Broken clouds
  • Thursday
    20th Nov
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Friday
    21st Nov
    Scattered clouds
  • Saturday
    22nd Nov
    Fog in low lying areas

5-day weather forecast updated at 04:02 on Tuesday 18th November 2025 GMT

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The 5-day weather forecast for California (Napa) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Napa weather forecast by day

Below are the detailed weather forecasts for Napa for the next 5 days.

Napa weather for Tuesday 18th November 2025

Expect scattered clouds in Napa, California with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 16°C wind chill16
    °C wind chill
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

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Napa weather for Wednesday 19th November 2025

Expect broken clouds in Napa, California with a maximum temperature of 14°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

  • 14°C maximum temperature14
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 11 kph from the South11
    kph wind from S

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Napa weather for Thursday 20th November 2025

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 15°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 14 kph from the south.

  • 15°C maximum temperature15
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 63% chance of some rain63
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Gentle breeze of 14 kph from the South14
    kph wind from S

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Napa weather for Friday 21st November 2025

Expect scattered clouds in Napa, California with a maximum temperature of 17°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

  • 17°C maximum temperature17
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 17°C wind chill17
    °C wind chill
  • Light breeze of 10 kph from the North10
    kph wind from N

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Napa weather for Saturday 22nd November 2025

Expect fog in low lying areas in Napa, California with a maximum temperature of 17°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.

  • 17°C maximum temperature17
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the North-East9
    kph wind from NE

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  • Save up to £300 on holidays (Jan 2026-Nov 2027)
  • Book online with TUI Black Friday discount code
  • Sign up to myTUI. Discount varies by spend. T&Cs apply
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Expires at 23:59 on Tuesday 2nd Dec 2025 · View all TUI offers

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Metric (°C / mm)  |  Imperial (°F / inches)

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