Weather in Portland, United States
Weather Advisories
in the data behind our forecast?
Tomorrow's weather summary
The weather in Portland on Saturday, July 25th, will be clear throughout the day, together with cloud overcast before dawn.
There's seems to be also high probability of some clouds before dawn around 2 am.
Weather details for Portland, on Saturday, July 25th:
The maximum temperature during the day is going to be 30°C around 5 pm. The day will be humid, with average humidity of 60%, ranging from 32% to a maximum value of 94% at about 4 am. The wind will be light, and will get up to 10 km/h at 2 pm, blowing from the south-west. The cloud coverage will range from 0% around 10 am to as high as 100% around 8 pm with an average of 42%.
There is no probability for any precipitation throughout the day. The dew point will range from 11°C up to a maximum value of 21°C around 4 am.
The visibility is expected to be good with average visibility of 15 km throughout the day. Atmospheric pressure will be normal with average pressure of 1016 hPa. Sunrise will be at 6:21 am, and sunset at 8:45 pm. The day will have 14 hours and 24 minutes of daylight.
Air quality forecast for Portland, on Saturday, July 25th:
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 29 and 62.
Pollen forecast for Portland, on Saturday, July 25th:
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 Sunday, July 26th, will be cloudy for most of the day, with clear skies before dawn.
There's seems to be also high probability of many clouds in the early morning at about 7 am.
Weather information for Portland, on Sunday, July 26th:
The highest temperature of the day will be 29°C around 5 pm. The day will be humid, with average humidity of 62%, ranging from 46% to a maximum value of 83% at about 9 pm. The wind will be light, and will get up to 10 km/h at 2 pm, blowing from the north-west. The cloud coverage will range from 0% around midnight to as high as 100% around 2 pm with an average of 63%.
The precipitation probability will change throughout the day between 0% and 10%. The highest chance for precipitation will be around 6 pm and the lowest probability around midnight. The dew point will range from 14°C up to a maximum value of 22°C around 8 pm.
The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be normal with average pressure of 1013 hPa. Sunrise will be at 6:22 am, and sunset at 8:44 pm, making it a total of 14 hours and 22 minutes of daylight.
Air quality forecast for Portland, on Sunday, July 26th:
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 52 and 60.
Pollen forecast for Portland, on Sunday, July 26th:
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.
Nearby locations
