Weather in Johnstown, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Johnstown on Monday, April 28th, will be clear for most of the day, together with some clouds before dawn.
There's seems to be also high probability of few clouds before dawn around 12 am.
Weather information for Johnstown, on Monday, April 28th:
The maximum temperature of the day will be 69°F at about 1 pm. The day will have high relative humidity, with average humidity of 69%, ranging from 42% to a maximum value of 91% at about 5 am. The wind will be light, and will get up to 9 mph at 4 pm, blowing from the south-west. The cloud coverage will range from 0% around 7 pm to as high as 84% around 7 am with an average of 26%.
There is no probability for any precipitation throughout the day. The dew point will range from 44°F up to a maximum value of 49°F around 11 pm.
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 1017 hPa. Sunrise will be at 6:06 am, and sunset at 7:26 pm, making it a total of 13 hours and 20 minutes of daylight.
Air quality forecast for Johnstown, on Monday, April 28th:
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 65.
Pollen forecast for Johnstown, on Monday, April 28th:
Tree pollen on this day is expected to have high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
The weather in Johnstown on Tuesday, April 29th, is going to be clear throughout the day, together with few clouds around noon.
There is also a chance for many clouds during the night at about 10 pm.
Weather information for Johnstown, on Tuesday, April 29th:
The maximum temperature of the day will be 74°F at about 2 pm. The day will have very high relative humidity, with average humidity of 72%, ranging from 47% to a maximum value of 92% at about 4 am. The wind will be light, and will get up to 9 mph at 2 pm, blowing from the south-west. The cloud coverage will range from 0% around midnight to as high as 100% around 11 pm with an average of 13%.
There is no probability for any precipitation throughout the day. The dew point will range from 47°F up to a maximum value of 53°F around 11 pm.
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 1015 hPa. Sunrise will be at 6:05 am, and sunset at 7:26 pm, making it a total of 13 hours and 21 minutes of daylight.
Air quality forecast for Johnstown, on Tuesday, April 29th:
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 60 and 81.
Pollen forecast for Johnstown, on Tuesday, April 29th:
Tree pollen on this day is expected to have high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
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