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 61 °F on Sunday, while the low is 41 °F on Thursday. There are expected to be 0 sunny days and rain on 3 days this week.

NWS Gray ME has issued a high surf advisory until Wednesday at 08:00 PM.

Monday, October 13

- High of 54 °F, low of 50 °F (80% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:52 AM, sunset at 6:01 PM
- Last quarter moon
1 / 6
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Tuesday, October 14

- High of 60 °F, low of 48 °F (53% humidity)
- Mostly cloudy with a 100% chance of rain (5 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:54 AM, sunset at 5:59 PM
2 / 6
1981 Rustic Studio kan // Shutterstock

Wednesday, October 15

- High of 59 °F, low of 44 °F (52% humidity)
- Partly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:55 AM, sunset at 5:57 PM
3 / 6
Nataliia K // Shutterstock

Thursday, October 16

- High of 54 °F, low of 41 °F (45% humidity)
- Partly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:56 AM, sunset at 5:56 PM
4 / 6
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Friday, October 17

- High of 58 °F, low of 43 °F (43% humidity)
- Partly cloudy with a 0% chance of rain
- Gentle breeze (12 mph wind)
- Sunrise at 6:57 AM, sunset at 5:54 PM
5 / 6
ESOlex // Shutterstock

Saturday, October 18

- High of 60 °F, low of 42 °F (32% humidity)
- Partly cloudy with a 0% chance of rain
- Light breeze (7 mph wind)
- Sunrise at 6:58 AM, sunset at 5:52 PM
6 / 6
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Sunday, October 19

- High of 61 °F, low of 49 °F (53% humidity)
- Mostly cloudy with a 57% chance of rain (1 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 7:00 AM, sunset at 5:51 PM

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