Weather in Keystone, United States
Weather Advisories
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Today's weather summary
The weather in Keystone on Monday, July 20th, is going to be cloudy throughout the day, together with clear skies before dawn.
There's seems to be also high probability of few clouds before dawn around 3 am, and also drizzle in the afternoon at about 4 pm.
Weather information for Keystone, on Monday, July 20th:
The maximum temperature during the day will be 82°F at about 1 pm. The day will be dry, with average humidity of 41%, ranging from 21% to a maximum value of 67% at about 5 am. The wind will be breezy, and will get up to 13 mph at 7 pm, blowing from the north-east. The cloud coverage will range from 0% around 7 am to as high as 100% around 10 pm with an average of 47%.
The chances of precipitation throughout the day will change between 0% and 15%. The highest chance for precipitation will be around 4 pm and the lowest probability around midnight. The dew point will range from 35°F up to a maximum value of 44°F around 10 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be low with average pressure of 1007 hPa. Sunrise will be at 5:52 am, and sunset at 8:27 pm. The day will have 14 hours and 35 minutes of daylight.
Air quality forecast for Keystone, on Monday, July 20th:
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 43 and 58.
Pollen forecast for Keystone, on Monday, July 20th:
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 low risk.
The weather in Keystone on Tuesday, July 21st, will change throughout the day from drizzling weather to clear.
According to our models drizzle will appear during the evening and a high probability for clear skies before dawn.
Weather information for Keystone, on Tuesday, July 21st:
The highest temperature during the day is going to be 80°F around 3 pm. The day will be dry, with average humidity of 37%, ranging from 22% to a maximum value of 53% at about 9 am. The wind will be strong, and will get up to 21 mph at 6 pm, blowing from the south-east. The cloud coverage will range from 0% around 2 am to as high as 100% around 10 pm with an average of 42%.
The chances of precipitation throughout the day will change between 0% and 10%. The highest chance for precipitation will be around 8 pm and the lowest probability around midnight. The dew point will range from 35°F up to a maximum value of 48°F around 9 am.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be low with average pressure of 1007 hPa. Sunrise will be at 5:53 am, and sunset at 8:26 pm, making it a total of 14 hours and 33 minutes of daylight.
Air quality forecast for Keystone, on Tuesday, July 21st:
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 36 and 52.
Pollen forecast for Keystone, on Tuesday, July 21st:
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 low risk.
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