Weather in Portland, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Portland on Friday, March 28th, is going to be cloudy for most of the day, together with light rain before dawn.
There is also a chance for many clouds before dawn at about 1 am, and light snow in the early morning around 7 am.
Weather details for Portland, on Friday, March 28th:
The highest temperature during the day will be 43°F around 1 pm. The day will have very high relative humidity, with average humidity of 88%, ranging from 64% to a maximum value of 98% at about 9 pm. The wind will be light, and will get up to 6 mph at 2 pm, blowing from the south-west. The cloud coverage will range from 69% around 1 am to as high as 100% around 11 pm with an average of 97%.
The chances of precipitation throughout the day will change between 0% and 45%. The highest chance for precipitation will be around 9 am and the lowest probability around 2 am. The dew point will range from 30°F up to a maximum value of 33°F around 4 pm.
The visibility is expected to be good with average visibility of 7 mi throughout the day. Atmospheric pressure will be low with average pressure of 1007 hPa. Sunrise will be at 6:51 am, and sunset at 7:29 pm, making it a total of 12 hours and 38 minutes of daylight.
Air quality forecast for Portland, on Friday, March 28th:
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 37 and 47.
Pollen forecast for Portland, on Friday, March 28th:
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 no risk.
The weather in Portland on Saturday, March 29th, will be cloudy throughout the day, with some clouds around noon.
There is also a chance for many clouds around noon at about 12 pm.
Weather information for Portland, on Saturday, March 29th:
The highest temperature of the day is going to be 41°F at about 2 pm. The day will have very high relative humidity, with average humidity of 81%, ranging from 58% to a maximum value of 95% at about midnight. The wind will be calm, and will get up to 3 mph at 5 pm, blowing from the west. The cloud coverage will range from 8% around 11 pm to as high as 100% around 8 am with an average of 69%.
The precipitation probability will change throughout the day between 0% and 5%. The highest chance for precipitation will be around noon and the lowest probability around midnight. The dew point will range from 27°F up to a maximum value of 31°F around midnight.
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 1018 hPa. Sunrise will be at 6:49 am, and sunset at 7:31 pm. The day will have 12 hours and 42 minutes of daylight.
Air quality forecast for Portland, on Saturday, March 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 36 and 37.
Pollen forecast for Portland, on Saturday, March 29th:
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 no risk.
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