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Portland weather live forecast
Today's maximum temperature in Portland is expected to be 28°C. Select a day from the live weather forecast for Portland, Maine, USA for more weather parameters.
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Saturday
26th Jul -
Sunday
27th Jul -
Monday
28th Jul -
Tuesday
29th Jul -
Wednesday
30th Jul
5-day weather forecast updated at 04:00 on Saturday 26th July 2025 GMT
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The 5-day weather forecast for Maine (Portland) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.
Portland weather forecast by day
Below are the detailed weather forecasts for Portland for the next 5 days.
Portland weather for Saturday 26th July 2025
Expect scattered clouds in Portland, Maine with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.
- °C maximum temperature
- °C minimum temperature
- scattered clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- low heat & humidity
- kph wind from S
Portland weather for Sunday 27th July 2025
Expect broken clouds in Portland, Maine with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Very High)
- mm of rainfall expected
- °C wind chill
- kph wind from S
Portland weather for Monday 28th July 2025
Expect broken clouds in Portland, Maine with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- moderate heat & humidity
- kph wind from S
Portland weather for Tuesday 29th July 2025
Expect isolated thunderstorms in Portland, Maine with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 52% chance of some rain and a gentle breeze of 13 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (High)
- % chance of some rain
- mm of rainfall expected
- moderate heat & humidity
- kph wind from SW
Portland weather for Wednesday 30th July 2025
Expect isolated thunderstorms in Portland, Maine with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a light breeze of 11 kph from the north.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (High)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from N
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Metric (°C / mm) | Imperial (°F / inches)
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