Napa weather live forecast

Today's maximum temperature in Napa is expected to be 15°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

5-day weather forecast updated at 04:02 on Friday 2nd January 2026 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 Friday 2nd January 2026

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 15°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 22 kph from the south-east.

  • 15°C maximum temperature15
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 100% chance of some rain100
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the South-East22
    kph wind from SE

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Napa weather for Saturday 3rd January 2026

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 15°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 97% chance of some rain and a fresh breeze of 31 kph from the south.

  • 15°C maximum temperature15
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 97% chance of some rain97
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 31 kph from the South31
    kph wind from S

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Napa weather for Sunday 4th January 2026

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 13°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 21 kph from the south.

  • 13°C maximum temperature13
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 100% chance of some rain100
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Moderate breeze of 21 kph from the South21
    kph wind from S

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Napa weather for Monday 5th January 2026

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 11°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 19 kph from the south.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 85% chance of some rain85
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the South19
    kph wind from S

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Napa weather for Tuesday 6th January 2026

Expect sunshine and showers in Napa, California with a maximum temperature of 14°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 13% chance of some rain and a gentle breeze of 13 kph from the north-east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 13% chance of some rain13
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Gentle breeze of 13 kph from the North-East13
    kph wind from NE

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

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