Napa weather live forecast

Tomorrow's maximum temperature in Napa is expected to be 13°C.

  • Wednesday
    12th Mar
    Mostly cloudy with rain (20-30 mm of rainfall expected)
  • Thursday
    13th Mar
    Sunshine and showers (0-2 mm of rainfall expected)
  • Friday
    14th Mar
    Mostly cloudy with rain (10-20 mm of rainfall expected)
  • Saturday
    15th Mar
    Broken clouds
  • Sunday
    16th Mar
    Mostly cloudy with rain (5-10 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Wednesday 12th March 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 Wednesday 12th March 2025

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 13°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 100% chance of some rain and a fresh breeze of 30 kph from the south.

  • 13°C maximum temperature13
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 100% chance of some rain100
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 30 kph from the South30
    kph wind from S

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Napa weather for Thursday 13th March 2025

Expect sunshine and showers in Napa, California with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a moderate breeze of 27 kph from the west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 33% chance of some rain33
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Moderate breeze of 27 kph from the West27
    kph wind from W

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Napa weather for Friday 14th March 2025

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 82% chance of some rain and a moderate breeze of 20 kph from the west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 82% chance of some rain82
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Moderate breeze of 20 kph from the West20
    kph wind from W

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Napa weather for Saturday 15th March 2025

Expect broken clouds in Napa, California with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

  • 15°C maximum temperature15
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 17 kph from the West17
    kph wind from W

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Napa weather for Sunday 16th March 2025

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 18°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 20 kph from the south-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 67% chance of some rain67
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Moderate breeze of 20 kph from the South-West20
    kph wind from SW

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

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