Weather in Napa County, United States
Weather Advisories
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Today's weather summary
The weather in Napa County on Wednesday, April 24th, will be cloudy for most of the day, with few clouds in the afternoon.
There is also a chance for some clouds before dawn at about 2 am.
Weather details for Napa County, on Wednesday, April 24th:
The maximum temperature during the day will be 55°F around 4 pm. The day will be dry, with average humidity of 45%, ranging from 28% to a maximum value of 62% at about 5 am. The wind will be breezy, and will get up to 14 mph at 9 pm, blowing from the north-west. The cloud coverage will range from 19% around 7 pm to as high as 100% around 2 pm with an average of 81%.
There is no probability for any precipitation throughout the day. The dew point will range from 19°F up to a maximum value of 28°F around noon.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1014 hPa. Sunrise will be at 5:56 am, and sunset at 7:45 pm. The day will have 13 hours and 49 minutes of daylight.
Air quality forecast for Napa County, on Wednesday, April 24th:
On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 24 and 54.
Pollen forecast for Napa County, on Wednesday, April 24th:
Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
The weather in Napa County on Thursday, April 25th, is going to be cloudy throughout the day.
Also, there's a high chance of many clouds during the morning, around 8 am.
Weather details for Napa County, on Thursday, April 25th:
The highest temperature during the day will be 49°F around 2 pm. The day will have high relative humidity, with average humidity of 65%, ranging from 45% to a maximum value of 93% at about 10 pm. The wind will be breezy, and will get up to 13 mph at 7 pm, blowing from the north-west. The cloud coverage will range from 36% around 7 am to as high as 100% around 8 pm with an average of 92%.
The precipitation probability will change throughout the day between 0% and 40%. The highest chance for precipitation will be around 7 pm and the lowest probability around midnight. The dew point will range from 22°F up to a maximum value of 35°F around 9 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1014 hPa. Sunrise will be at 5:54 am, and sunset at 7:46 pm. The day will have 13 hours and 52 minutes of daylight.
Air quality forecast for Napa County, on Thursday, April 25th:
On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 32 and 41.
Pollen forecast for Napa County, on Thursday, April 25th:
Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
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