Weather in Portland, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Portland on Monday, April 29th, is going to be cloudy for most of the day, together with some clouds around noon.
There is also a chance for drizzle in the early morning around 7 am, and also few clouds during the night at about 10 pm.
Weather details for Portland, on Monday, April 29th:
The maximum temperature during the day will be 51°F at about 4 pm. The day will have very high relative humidity, with average humidity of 73%, ranging from 58% to a maximum value of 85% at about 7 am. The wind will be breezy, and will get up to 12 mph at 4 pm, blowing from the west. The cloud coverage will range from 30% around 10 pm to as high as 100% around 11 pm with an average of 85%.
The precipitation probability will change throughout the day between 0% and 50%. The highest chance for precipitation will be around 4 am and the lowest probability around 2 am. The dew point will range from 36°F up to a maximum value of 40°F around midnight.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be high with average pressure of 1021 hPa. Sunrise will be at 6:05 am, and sunset at 8:10 pm. The day will have 14 hours and 5 minutes of daylight.
Air quality forecast for Portland, on Monday, April 29th:
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 26 and 37.
Pollen forecast for Portland, on Monday, April 29th:
Tree pollen on this day is expected to have low 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 Portland on Tuesday, April 30th, will change throughout the day from weather to mostly clear, mixed with light rain.
According to our models moderate rain will emerge before dawn and there is a high chance for few clouds during the evening.
Weather details for Portland, on Tuesday, April 30th:
The highest temperature of the day will be 52°F at about 6 pm. The day will have very high relative humidity, with average humidity of 84%, ranging from 64% to a maximum value of 95% at about 6 am. The wind will be breezy, and will get up to 13 mph at 3 am, blowing from the south-west. The cloud coverage will range from 33% around 9 pm to as high as 100% around 5 pm with an average of 82%.
The chances of precipitation throughout the day will change between 0% and 50%. The highest chance for precipitation will be around 3 am and the lowest probability around midnight. The dew point will range from 36°F up to a maximum value of 44°F around 2 pm.
The visibility is expected to be good with average visibility of 7 mi throughout the day. Atmospheric pressure will be high with average pressure of 1020 hPa. Sunrise will be at 6:03 am, and sunset at 8:11 pm, making it a total of 14 hours and 8 minutes of daylight.
Air quality forecast for Portland, on Tuesday, April 30th:
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 21 and 31.
Pollen forecast for Portland, on Tuesday, April 30th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have very low 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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