Weather in Keystone, United States
Weather Advisories
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Today's weather summary
The weather in Keystone on Friday, July 24th, is going to be cloudy for most of the day.
Additionally, there will be few clouds before dawn, at about 4 am.
Weather information for Keystone, on Friday, July 24th:
The maximum temperature of the day will be 23°C around 3 pm. The day will have high relative humidity, with average humidity of 65%, ranging from 48% to a maximum value of 90% at about 2 am. The wind will be breezy, and will get up to 18 km/h at 1 pm, blowing from the south-east. The cloud coverage will range from 0% around midnight to as high as 100% around 11 pm with an average of 59%.
There is no probability for any precipitation throughout the day. The dew point will range from 8°C up to a maximum value of 12°C around 2 pm.
The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be high with average pressure of 1021 hPa. Sunrise will be at 6:07 am, and sunset at 8:37 pm. The day will have 14 hours and 30 minutes of daylight.
Air quality forecast for Keystone, on Friday, July 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 12 and 57.
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 change throughout the day from drizzling condition to clear.
According to our models drizzle will appear during the evening and there is a high chance for clear skies before dawn.
Weather details for Keystone, on Saturday, July 25th:
The maximum temperature during the day is going to be 25°C around 5 pm. The day will have very high relative humidity, with average humidity of 70%, ranging from 55% to a maximum value of 79% at about 11 pm. The wind will be light, and will get up to 15 km/h at 10 am, blowing from the south-east. The cloud coverage will range from 0% around 4 am to as high as 100% around 10 pm with an average of 48%.
The chances of precipitation throughout the day will change between 0% and 5%. The highest chance for precipitation will be around 6 pm and the lowest probability around midnight. The dew point will range from 11°C up to a maximum value of 17°C around 6 pm.
The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be normal with average pressure of 1017 hPa. Sunrise will be at 6:08 am, and sunset at 8:36 pm. The day will have 14 hours and 28 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 44 and 55.
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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