Weather in Portland, United States
Weather Advisories
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Today's weather summary
The weather in Portland on Sunday, December 22nd, is going to be cloudy throughout the day.
Additionally, there will be clear skies before dawn, around 12 am.
Weather information for Portland, on Sunday, December 22nd:
The highest temperature during the day is going to be 37°F around 3 pm. The day will have very high relative humidity, with average humidity of 76%, ranging from 67% to a maximum value of 85% at about 1 am. The wind will be breezy, and will get up to 16 mph at 8 pm, blowing from the south. The cloud coverage will range from 1% around midnight to as high as 100% around 11 pm with an average of 58%.
There is no probability for any precipitation throughout the day. The dew point will range from 15°F up to a maximum value of 29°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 1025 hPa. Sunrise will be at 7:11 am, and sunset at 4:51 pm. The day will have 9 hours and 40 minutes of daylight.
Air quality forecast for Portland, on Sunday, December 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 25 and 46.
Pollen forecast for Portland, on Sunday, December 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.
The weather in Portland on Monday, December 23rd, is going to be cloudy for most of the day.
Additionally, there will be clear skies during the evening, at about 6 pm.
Weather information for Portland, on Monday, December 23rd:
The highest temperature of the day will be 38°F at about 9 am. The day will have very high relative humidity, with average humidity of 83%, ranging from 76% to a maximum value of 93% at about 11 pm. The wind will be breezy, and will get up to 15 mph at 2 am, blowing from the south. The cloud coverage will range from 0% around 6 pm to as high as 100% around 5 pm with an average of 76%.
There is no probability for any precipitation throughout the day. The dew point will range from 26°F up to a maximum value of 33°F around 9 am.
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 1020 hPa. Sunrise will be at 7:12 am, and sunset at 4:51 pm, making it a total of 9 hours and 39 minutes of daylight.
Air quality forecast for Portland, on Monday, December 23rd:
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 30 and 59.
Pollen forecast for Portland, on Monday, December 23rd:
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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