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Portland, Maine 7-day weather forecast
Stacker created the forecast for Portland, Maine using data from OpenWeather. This week's high is 84 °F on Monday, while the low is 55 °F on Friday. There are expected to be 0 sunny days and rain on 3 days this week.
NWS Gray ME has issued a heat advisory until Tuesday at 08:00 PM.
Monday, July 7
- High of 84 °F, low of 71 °F (40% humidity)- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:07 AM, sunset at 8:24 PM
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1 / 6
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Tuesday, July 8
- High of 79 °F, low of 63 °F (73% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:07 AM, sunset at 8:24 PM
- Overcast with a 100% chance of rain (6 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:07 AM, sunset at 8:24 PM

2 / 6
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Wednesday, July 9
- High of 72 °F, low of 62 °F (84% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:08 AM, sunset at 8:23 PM
- Overcast with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:08 AM, sunset at 8:23 PM

3 / 6
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Thursday, July 10
- High of 67 °F, low of 58 °F (81% humidity)
- Overcast with a 68% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:09 AM, sunset at 8:23 PM
- Full moon
- Overcast with a 68% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:09 AM, sunset at 8:23 PM
- Full moon

4 / 6
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Friday, July 11
- High of 68 °F, low of 55 °F (65% humidity)
- Partly cloudy with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 5:09 AM, sunset at 8:22 PM
- Partly cloudy with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 5:09 AM, sunset at 8:22 PM

5 / 6
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Saturday, July 12
- High of 70 °F, low of 57 °F (59% humidity)
- Partly cloudy with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 5:10 AM, sunset at 8:22 PM
- Partly cloudy with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 5:10 AM, sunset at 8:22 PM
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Sunday, July 13
- High of 77 °F, low of 58 °F (46% humidity)
- Mostly cloudy with a 0% chance of rain
- Gentle breeze (11 mph wind)
- Sunrise at 5:11 AM, sunset at 8:21 PM
- Mostly cloudy with a 0% chance of rain
- Gentle breeze (11 mph wind)
- Sunrise at 5:11 AM, sunset at 8:21 PM