Portland, Maine 7-day weather forecast

Written by:
June 30, 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 93 °F on Sunday, while the low is 55 °F on Saturday. There are expected to be 2 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, June 30

- High of 79 °F, low of 62 °F (51% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:02 AM, sunset at 8:26 PM
1 / 6
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Tuesday, July 1

- High of 83 °F, low of 64 °F (66% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:03 AM, sunset at 8:26 PM
2 / 6
Valeriy Boyarskiy // Shutterstock

Wednesday, July 2

- High of 89 °F, low of 69 °F (38% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:03 AM, sunset at 8:26 PM
- First quarter moon
3 / 6
Alex Linch // Shutterstock

Thursday, July 3

- High of 83 °F, low of 63 °F (40% humidity)
- Partly cloudy with a 100% chance of rain (8 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:04 AM, sunset at 8:25 PM
4 / 6
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Friday, July 4

- High of 74 °F, low of 59 °F (42% humidity)
- Mostly sunny with a 0% chance of rain
- Light breeze (7 mph wind)
- Sunrise at 5:05 AM, sunset at 8:25 PM
5 / 6
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Saturday, July 5

- High of 78 °F, low of 55 °F (41% humidity)
- Mostly cloudy with a 0% chance of rain
- Gentle breeze (11 mph wind)
- Sunrise at 5:05 AM, sunset at 8:25 PM
6 / 6
GP PIXSTOCK // Shutterstock

Sunday, July 6

- High of 93 °F, low of 66 °F (49% humidity)
- Partly cloudy with a 26% chance of rain (0 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:06 AM, sunset at 8:24 PM

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