Portland, Maine 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Portland, Maine 7-day weather forecast

Stacker created the forecast for Portland, Maine using data from OpenWeather. This week's high is 64 °F on Monday, while the low is 38 °F on Saturday. There are expected to be 3 sunny days and rain on 4 days this week.

There are currently no weather alerts.

Monday, April 27

- High of 64 °F, low of 39 °F (42% humidity)
- Fair with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:39 AM, sunset at 7:37 PM
1 / 6
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Tuesday, April 28

- High of 51 °F, low of 43 °F (49% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:37 AM, sunset at 7:39 PM
2 / 6
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Wednesday, April 29

- High of 46 °F, low of 40 °F (91% humidity)
- Overcast with a 90% chance of rain (3 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:36 AM, sunset at 7:40 PM
3 / 6
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Thursday, April 30

- High of 46 °F, low of 44 °F (97% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 5:34 AM, sunset at 7:41 PM
4 / 6
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Friday, May 1

- High of 53 °F, low of 41 °F (55% humidity)
- Overcast with a 99% chance of rain (2 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 5:33 AM, sunset at 7:42 PM
- Full moon
5 / 6
Marian Weyo // Shutterstock

Saturday, May 2

- High of 56 °F, low of 38 °F (39% humidity)
- Sunny with a 0% chance of rain
- Moderate breeze (13 mph wind)
- Sunrise at 5:31 AM, sunset at 7:43 PM
6 / 6
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Sunday, May 3

- High of 48 °F, low of 41 °F (94% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 5:30 AM, sunset at 7:45 PM

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