Portland, Maine 7-day weather forecast

Written by:
September 29, 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 79 °F on Sunday, while the low is 44 °F on Thursday. There are expected to be 5 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, September 29

- High of 75 °F, low of 59 °F (38% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:36 AM, sunset at 6:26 PM
- First quarter moon
1 / 6
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Tuesday, September 30

- High of 71 °F, low of 56 °F (51% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:37 AM, sunset at 6:24 PM
2 / 6
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Wednesday, October 1

- High of 60 °F, low of 48 °F (42% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:38 AM, sunset at 6:22 PM
3 / 6
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Thursday, October 2

- High of 60 °F, low of 44 °F (36% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:39 AM, sunset at 6:20 PM
4 / 6
Matusciac Alexandru // Shutterstock

Friday, October 3

- High of 68 °F, low of 46 °F (36% humidity)
- Mostly sunny with a 0% chance of rain
- Light breeze (6 mph wind)
- Sunrise at 6:40 AM, sunset at 6:18 PM
5 / 6
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Saturday, October 4

- High of 73 °F, low of 53 °F (35% humidity)
- Sunny with a 0% chance of rain
- Light breeze (7 mph wind)
- Sunrise at 6:42 AM, sunset at 6:16 PM
6 / 6
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Sunday, October 5

- High of 79 °F, low of 57 °F (38% humidity)
- Mostly cloudy with a 0% chance of rain
- Light breeze (6 mph wind)
- Sunrise at 6:43 AM, sunset at 6:15 PM

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