Weather in Keystone, United States
Weather Advisories
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Today's weather summary
The weather in Keystone on Friday, July 24th, will change throughout the day from cloudy condition to clear.
Looks like cloud overcast will emerge around noon and a high probability for clear skies before dawn.
Weather details for Keystone, on Friday, July 24th:
The maximum temperature of the day is going to be 33°C around 3 pm. The day will be extremely humid, with average humidity of 81%, ranging from 56% to a maximum value of 95% at about 7 am. The wind will be light, and will get up to 12 km/h at 10 am, blowing from the south. The cloud coverage will range from 0% around 6 am to as high as 100% around 11 pm with an average of 54%.
The chances of precipitation throughout the day will change between 0% and 5%. The highest chance for precipitation will be around 7 pm and the lowest probability around midnight. The dew point will range from 23°C up to a maximum value of 26°C around 10 am.
The visibility is expected to be good with average visibility of 14 km throughout the day. Atmospheric pressure will be normal with average pressure of 1018 hPa. Sunrise will be at 6:23 am, and sunset at 8:09 pm. The day will have 13 hours and 46 minutes of daylight.
Air quality forecast for Keystone, on Friday, July 24th:
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 53 and 66.
Pollen forecast for Keystone, on Friday, July 24th:
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 Keystone on Saturday, July 25th, will be cloudy for the entire day.
Weather information for Keystone, on Saturday, July 25th:
The maximum temperature of the day will be 33°C at about 4 pm. The day will be extremely humid, with average humidity of 77%, ranging from 57% to a maximum value of 93% at about 8 am. The wind will be light, and will get up to 12 km/h at 8 pm, blowing from the south. The cloud coverage will range from 86% around 5 pm to as high as 100% around 11 pm with an average of 99%.
There is no probability for any precipitation throughout the day. The dew point will range from 23°C up to a maximum value of 25°C around 7 pm.
The visibility is expected to be good with average visibility of 15 km throughout the day. Atmospheric pressure will be high with average pressure of 1019 hPa. Sunrise will be at 6:23 am, and sunset at 8:08 pm. The day will have 13 hours and 45 minutes of daylight.
Air quality forecast for Keystone, on Saturday, July 25th:
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 52 and 61.
Pollen forecast for Keystone, on Saturday, July 25th:
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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