Portland, Maine 7-day weather forecast

Written by:
April 28, 2025
ESOlex // Shutterstock

Portland, Maine 7-day weather forecast

Stacker created the forecast for Portland, Maine using data from OpenWeather. This week's high is 69 °F on Sunday, while the low is 44 °F on Friday. There is expected to be 1 sunny day and rain on 7 days this week.

There are currently no weather alerts.

Monday, May 5

- High of 54 °F, low of 46 °F (88% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:27 AM, sunset at 7:47 PM
1 / 6
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Tuesday, May 6

- High of 49 °F, low of 46 °F (98% humidity)
- Overcast with a 100% chance of rain (21 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:26 AM, sunset at 7:48 PM
2 / 6
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Wednesday, May 7

- High of 56 °F, low of 49 °F (96% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 5:25 AM, sunset at 7:50 PM
3 / 6
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Thursday, May 8

- High of 65 °F, low of 48 °F (64% humidity)
- Fair with a 56% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:23 AM, sunset at 7:51 PM
4 / 6
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Friday, May 9

- High of 54 °F, low of 44 °F (62% humidity)
- Mostly cloudy with a 20% chance of rain (0 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:22 AM, sunset at 7:52 PM
5 / 6
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Saturday, May 10

- High of 48 °F, low of 44 °F (79% humidity)
- Overcast with a 100% chance of rain (13 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 5:21 AM, sunset at 7:53 PM
6 / 6
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Sunday, May 11

- High of 69 °F, low of 45 °F (51% humidity)
- Partly cloudy with a 37% chance of rain (0 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 5:20 AM, sunset at 7:54 PM

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