Weather in Napa Valley Exposition, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Napa Valley Exposition on Thursday, July 4th, according to our forecast model, will be clear throughout the entire day with no significant change.
Weather information for Napa Valley Exposition, on Thursday, July 4th:
The maximum temperature of the day will be 106°F at about 3 pm. The day will be extremely dry, with average humidity of 17%, ranging from 9% to a maximum value of 30% at about 6 am. The wind will be breezy, and will get up to 13 mph at 4 pm, blowing from the north-west. The sky will be clear of clouds along the day.
There is no probability for any precipitation throughout the day. The dew point will range from 35°F up to a maximum value of 49°F around 8 am.
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 1011 hPa. Sunrise will be at 5:57 am, and sunset at 8:12 pm. The day will have 14 hours and 15 minutes of daylight.
Air quality forecast for Napa Valley Exposition, on Thursday, July 4th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 14 and 129.
Pollen forecast for Napa Valley Exposition, on Thursday, July 4th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no 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 Valley Exposition on Friday, July 5th, is going to be clear for the whole day.
Weather information for Napa Valley Exposition, on Friday, July 5th:
The highest temperature during the day will be 110°F around 4 pm. The day will be extremely dry, with average humidity of 12%, ranging from 5% to a maximum value of 20% at about 7 am. The wind will be breezy, and will get up to 12 mph at 6 pm, blowing from the north-west. The sky will be clear of clouds along the day.
There is no probability for any precipitation throughout the day. The dew point will range from 24°F up to a maximum value of 37°F around midnight.
The visibility is expected to be good with average visibility of 14 mi throughout the day. Atmospheric pressure will be low with average pressure of 1008 hPa. Sunrise will be at 5:57 am, and sunset at 8:12 pm. The day will have 14 hours and 15 minutes of daylight.
Air quality forecast for Napa Valley Exposition, on Friday, July 5th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 14 and 129.
Pollen forecast for Napa Valley Exposition, on Friday, July 5th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no 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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