
ESOlex // Shutterstock
Portland, Maine 7-day weather forecast
Stacker created the forecast for Portland, Maine using data from OpenWeather. This week's high is 94 °F on Friday, while the low is 54 °F on Tuesday. There are expected to be 3 sunny days and rain on 1 day this week.
There are currently no weather alerts.
Monday, July 21
- High of 78 °F, low of 61 °F (36% humidity)- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 5:18 AM, sunset at 8:15 PM
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1 / 6
Matusciac Alexandru // Shutterstock
Tuesday, July 22
- High of 74 °F, low of 54 °F (37% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:19 AM, sunset at 8:14 PM
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:19 AM, sunset at 8:14 PM

2 / 6
supergenijalac // Shutterstock
Wednesday, July 23
- High of 76 °F, low of 56 °F (44% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:20 AM, sunset at 8:13 PM
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:20 AM, sunset at 8:13 PM

3 / 6
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Thursday, July 24
- High of 87 °F, low of 65 °F (52% humidity)
- Partly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:21 AM, sunset at 8:12 PM
- New moon
- Partly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:21 AM, sunset at 8:12 PM
- New moon

4 / 6
Leena Robinson // Shutterstock
Friday, July 25
- High of 94 °F, low of 71 °F (47% humidity)
- Partly cloudy with a 61% chance of rain (1 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 5:22 AM, sunset at 8:11 PM
- Partly cloudy with a 61% chance of rain (1 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 5:22 AM, sunset at 8:11 PM

5 / 6
Maxim Grohotov // Shutterstock
Saturday, July 26
- High of 84 °F, low of 67 °F (36% humidity)
- Overcast with a 0% chance of rain
- Gentle breeze (11 mph wind)
- Sunrise at 5:23 AM, sunset at 8:10 PM
- Overcast with a 0% chance of rain
- Gentle breeze (11 mph wind)
- Sunrise at 5:23 AM, sunset at 8:10 PM
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6 / 6
John Cartwright // Shutterstock
Sunday, July 27
- High of 79 °F, low of 65 °F (45% humidity)
- Overcast with a 0% chance of rain
- Gentle breeze (12 mph wind)
- Sunrise at 5:24 AM, sunset at 8:09 PM
- Overcast with a 0% chance of rain
- Gentle breeze (12 mph wind)
- Sunrise at 5:24 AM, sunset at 8:09 PM