Weather in Mount Helen, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Mount Helen on Monday, April 21st, is going to be cloudy for most of the day.
Also, there's a high chance of light rain during the evening, at about 9 pm.
Weather information for Mount Helen, on Monday, April 21st:
The highest temperature during the day is going to be 64°F at about 4 pm. The day will have comfortable humidity, with average humidity of 53%, ranging from 29% to a maximum value of 90% at about 11 pm. The wind will be breezy, and will get up to 13 mph at 4 pm, blowing from the south-east. The cloud coverage will range from 82% around 11 pm to as high as 100% around 10 pm with an average of 99%.
The precipitation probability will change throughout the day between 0% and 35%. The highest chance for precipitation will be around 9 pm and the lowest probability around midnight. The dew point will range from 30°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 high with average pressure of 1024 hPa. Sunrise will be at 5:14 am, and sunset at 6:42 pm, making it a total of 13 hours and 28 minutes of daylight.
Air quality forecast for Mount Helen, on Monday, April 21st:
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 47 and 60.
Pollen forecast for Mount Helen, on Monday, April 21st:
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 Mount Helen on Tuesday, April 22nd, will be cloudy throughout the day.
There is also a chance of many clouds before dawn, at about 12 am.
Weather details for Mount Helen, on Tuesday, April 22nd:
The highest temperature of the day is going to be 79°F at about 2 pm. The day will have high relative humidity, with average humidity of 62%, ranging from 33% to a maximum value of 94% at about 6 am. The wind will be breezy, and will get up to 11 mph at 2 pm, blowing from the west. The cloud coverage will range from 64% around midnight to as high as 100% around 8 pm with an average of 91%.
There is no probability for any precipitation throughout the day. The dew point will range from 45°F up to a maximum value of 59°F around 9 am.
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 5:13 am, and sunset at 6:43 pm. The day will have 13 hours and 30 minutes of daylight.
Air quality forecast for Mount Helen, on Tuesday, April 22nd:
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 58.
Pollen forecast for Mount Helen, on Tuesday, April 22nd:
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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