Weather in Heathrow, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Heathrow on Friday, April 26th, is going to be clear throughout the day, together with cloud overcast in the afternoon.
There's seems to be also high probability of few clouds around noon around 12 pm.
Weather details for Heathrow, on Friday, April 26th:
The highest temperature during the day is going to be 85°F at about 2 pm. The day will be humid, with average humidity of 62%, ranging from 39% to a maximum value of 85% at about 7 am. The wind will be breezy, and will get up to 13 mph at 5 pm, blowing from the east. The cloud coverage will range from 0% around midnight to as high as 100% around 7 pm with an average of 33%.
There is no probability for any precipitation throughout the day. The dew point will range from 55°F up to a maximum value of 60°F around 9 am.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be high with average pressure of 1020 hPa. Sunrise will be at 6:50 am, and sunset at 7:55 pm. The day will have 13 hours and 5 minutes of daylight.
Air quality forecast for Heathrow, on Friday, April 26th:
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 53.
Pollen forecast for Heathrow, on Friday, April 26th:
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 high risk.
The weather in Heathrow on Saturday, April 27th, is going to be cloudy for most of the day, with few clouds before dawn.
There's seems to be also high probability of some clouds before dawn around 4 am.
Weather information for Heathrow, on Saturday, April 27th:
The highest temperature during the day will be 83°F around 2 pm. The day will be humid, with average humidity of 66%, ranging from 40% to a maximum value of 87% at about 5 am. The wind will be breezy, and will get up to 15 mph at 4 pm, blowing from the east. The cloud coverage will range from 9% around 2 am to as high as 100% around 10 pm with an average of 69%.
The chances of precipitation throughout the day will change between 0% and 5%. The highest chance for precipitation will be around 9 am and the lowest probability around midnight. The dew point will range from 55°F up to a maximum value of 63°F around 8 am.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be high with average pressure of 1023 hPa. Sunrise will be at 6:49 am, and sunset at 7:56 pm, making it a total of 13 hours and 7 minutes of daylight.
Air quality forecast for Heathrow, on Saturday, April 27th:
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 38 and 50.
Pollen forecast for Heathrow, on Saturday, April 27th:
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 high risk.
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