Napa weather forecast

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Last updated at 04:06 on Saturday 31st July 2021 GMT

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The 5-day weather forecast for Napa, California 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 30th July 2021

Below is the Napa weather forecast for Friday 30th July 2021. Expect clear skies in Napa, California with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

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Napa weather for Saturday 31st July 2021

Below is the Napa weather forecast for Saturday 31st July 2021. Expect scattered clouds in Napa, California with a maximum temperature of 27°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 27°C wind chill27
    °C wind chill
  • Gentle breeze of 19 kph from the South-West19
    kph wind from SW

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Napa weather for Sunday 1st August 2021

Below is the Napa weather forecast for Sunday 1st August 2021. Expect clear skies in Napa, California with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Clear skies
    clear skies
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 19 kph from the South-West19
    kph wind from SW

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Napa weather for Monday 2nd August 2021

Below is the Napa weather forecast for Monday 2nd August 2021. Expect scattered clouds in Napa, California with a maximum temperature of 26°C, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

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Napa weather for Tuesday 3rd August 2021

Below is the Napa weather forecast for Tuesday 3rd August 2021. Expect scattered clouds in Napa, California with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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  • Save 20% on COVID-19 Fit to Fly test & travel certificate
  • Home COVID-19 PCR test with free express delivery
  • Receive online results within 24-72 hours once test at lab
Show discount codeShow discount code ******VEL

Expires at 23:59 on Friday 31st Dec 2021

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

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