
ESOlex // Shutterstock
Portland, Maine 7-day weather forecast
Stacker created the forecast for Portland, Maine using data from OpenWeather. This week's high is 69 °F on Sunday, while the low is 44 °F on Friday. There is expected to be 1 sunny day and rain on 7 days this week.
There are currently no weather alerts.
Monday, May 5
- High of 54 °F, low of 46 °F (88% humidity)- Overcast with a 100% chance of rain (5 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:27 AM, sunset at 7:47 PM
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1 / 6
Jaromir Chalabala // Shutterstock
Tuesday, May 6
- High of 49 °F, low of 46 °F (98% humidity)
- Overcast with a 100% chance of rain (21 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:26 AM, sunset at 7:48 PM
- Overcast with a 100% chance of rain (21 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:26 AM, sunset at 7:48 PM

2 / 6
thaweerat // Shutterstock
Wednesday, May 7
- High of 56 °F, low of 49 °F (96% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 5:25 AM, sunset at 7:50 PM
- Overcast with a 100% chance of rain (3 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 5:25 AM, sunset at 7:50 PM

3 / 6
Rachasie // Shutterstock
Thursday, May 8
- High of 65 °F, low of 48 °F (64% humidity)
- Fair with a 56% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:23 AM, sunset at 7:51 PM
- Fair with a 56% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:23 AM, sunset at 7:51 PM

4 / 6
Hellame // Shutterstock
Friday, May 9
- High of 54 °F, low of 44 °F (62% humidity)
- Mostly cloudy with a 20% chance of rain (0 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:22 AM, sunset at 7:52 PM
- Mostly cloudy with a 20% chance of rain (0 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:22 AM, sunset at 7:52 PM

5 / 6
Dmitry Naumov // Shutterstock
Saturday, May 10
- High of 48 °F, low of 44 °F (79% humidity)
- Overcast with a 100% chance of rain (13 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 5:21 AM, sunset at 7:53 PM
- Overcast with a 100% chance of rain (13 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 5:21 AM, sunset at 7:53 PM
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6 / 6
Stepan Bessmelnitsin // Shutterstock
Sunday, May 11
- High of 69 °F, low of 45 °F (51% humidity)
- Partly cloudy with a 37% chance of rain (0 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 5:20 AM, sunset at 7:54 PM
- Partly cloudy with a 37% chance of rain (0 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 5:20 AM, sunset at 7:54 PM