
ESOlex // Shutterstock
Portland, Maine 7-day weather forecast
Stacker created the forecast for Portland, Maine using data from OpenWeather. This week's high is 91 °F on Sunday, while the low is 60 °F on Saturday. There are expected to be 2 sunny days and rain on 4 days this week.
There are currently no weather alerts.
Monday, August 11
- High of 87 °F, low of 65 °F (48% humidity)- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:41 AM, sunset at 7:51 PM
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1 / 6
South12th Photography // Shutterstock
Tuesday, August 12
- High of 86 °F, low of 69 °F (46% humidity)
- Partly cloudy with a 35% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:42 AM, sunset at 7:49 PM
- Partly cloudy with a 35% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:42 AM, sunset at 7:49 PM

2 / 6
Jaromir Chalabala // Shutterstock
Wednesday, August 13
- High of 84 °F, low of 65 °F (48% humidity)
- Partly cloudy with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:43 AM, sunset at 7:48 PM
- Partly cloudy with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:43 AM, sunset at 7:48 PM

3 / 6
Jurga Jot // Shutterstock
Thursday, August 14
- High of 89 °F, low of 67 °F (53% humidity)
- Sunny with a 97% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:44 AM, sunset at 7:46 PM
- Sunny with a 97% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:44 AM, sunset at 7:46 PM

4 / 6
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Friday, August 15
- High of 77 °F, low of 61 °F (39% humidity)
- Overcast with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 5:45 AM, sunset at 7:45 PM
- Overcast with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 5:45 AM, sunset at 7:45 PM

5 / 6
Rachasie // Shutterstock
Saturday, August 16
- High of 80 °F, low of 60 °F (47% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (12 mph wind)
- Sunrise at 5:47 AM, sunset at 7:43 PM
- Last quarter moon
- Sunny with a 0% chance of rain
- Gentle breeze (12 mph wind)
- Sunrise at 5:47 AM, sunset at 7:43 PM
- Last quarter moon
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6 / 6
thaweerat // Shutterstock
Sunday, August 17
- High of 91 °F, low of 69 °F (41% humidity)
- Partly sunny with a 100% chance of rain (6 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 5:48 AM, sunset at 7:42 PM
- Partly sunny with a 100% chance of rain (6 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 5:48 AM, sunset at 7:42 PM