Nearby locations
Portland, Maine, United States
East End, Maine, United States
West End, Maine, United States
Nearby popular places
Tommys Park, United States
Post Office Plaza, United States
Portland Downtown Historic District, United States

Weather in Portland, United States

60°
Cloudy
Feels like 60°
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High75°Low55°
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Air quality

Full Details
0
80
500
Air quality:Moderate

Pollen index

Full Details
Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Tomorrow's weather summary

The weather in Portland on Wednesday, May 1st, will be cloudy for most of the day.

Also, there's a high chance of few clouds during the evening, around 9 pm.

Weather details for Portland, on Wednesday, May 1st:

The highest temperature during the day is going to be 46°F around 7 pm. The day will have very high relative humidity, with average humidity of 81%, ranging from 76% to a maximum value of 90% at about 11 pm. The wind will be light, and will get up to 7 mph at 5 am, blowing from the north-east. The cloud coverage will range from 15% around 9 pm to as high as 100% around 8 pm with an average of 89%.

The chances of precipitation throughout the day will change between 0% and 50%. The highest chance for precipitation will be around 5 am and the lowest probability around midnight. The dew point will range from 35°F up to a maximum value of 41°F around 9 pm.

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 1016 hPa. Sunrise will be at 5:37 am, and sunset at 7:38 pm, making it a total of 14 hours and 1 minutes of daylight.

Air quality forecast for Portland, on Wednesday, May 1st:

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 34 and 48.

Pollen forecast for Portland, on Wednesday, May 1st:

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 Thursday, May 2nd, is going to be cloudy throughout the day, with few clouds before dawn.

There's seems to be also high probability of clear skies before dawn at about 1 am.

Weather information for Portland, on Thursday, May 2nd:

The maximum temperature of the day is going to be 52°F at about 11 am. The day will have very high relative humidity, with average humidity of 85%, ranging from 73% to a maximum value of 96% at about 11 pm. The wind will be light, and will get up to 10 mph at 11 am, blowing from the south-east. The cloud coverage will range from 8% around 3 am to as high as 100% around 7 pm with an average of 74%.

The precipitation probability will change throughout the day between 0% and 35%. The highest chance for precipitation will be around 5 pm and the lowest probability around midnight. The dew point will range from 39°F up to a maximum value of 44°F around 2 pm.

The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1016 hPa. Sunrise will be at 5:36 am, and sunset at 7:39 pm. The day will have 14 hours and 3 minutes of daylight.

Air quality forecast for Portland, on Thursday, May 2nd:

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 31 and 40.

Pollen forecast for Portland, on Thursday, May 2nd:

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.

FAQ

How warm does it get in Portland?
The average annual highest temperature in Portland is 23.7°C (74.7°F), and the July 16th is the hottest day on average.
How cold does it get in Portland?
The average annual lowest temperature in Portland is -8.4°C (16.9°F), and the January 22nd is the coldest day on average.
Which month has the most rain in Portland?
The wettest months in Portland are October and June.
What months does it snow in Portland?
The most common time of year for snow is February, January, March and December.