Portland, Maine 7-day weather forecast

Written by:
June 8, 2026
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Portland, Maine 7-day weather forecast

created the forecast for Portland, Maine using data from . This week's high is 89 掳F on Friday, while the low is 63 掳F on Tuesday. There is expected to be 1 sunny day and rain on 3 days this week.

There are currently no weather alerts.

Monday, August 3

- High of 78 掳F, low of 67 掳F (98% humidity)
- Overcast with a 100% chance of rain (30 mm of rain)
- Moderate breeze (18 mph wind)
- Sunrise at 5:32 AM, sunset at 8:02 PM
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Tuesday, August 4

- High of 86 掳F, low of 63 掳F (34% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:33 AM, sunset at 8:00 PM
2 / 6
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Wednesday, August 5

- High of 79 掳F, low of 63 掳F (51% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:34 AM, sunset at 7:59 PM
- Last quarter moon
3 / 6
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Thursday, August 6

- High of 85 掳F, low of 66 掳F (46% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:35 AM, sunset at 7:58 PM
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Friday, August 7

- High of 89 掳F, low of 74 掳F (55% humidity)
- Partly sunny with a 20% chance of rain (0 mm of rain)
- Gentle breeze (8 mph wind)
- Sunrise at 5:36 AM, sunset at 7:57 PM
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Saturday, August 8

- High of 84 掳F, low of 70 掳F (70% humidity)
- Mostly cloudy with a 100% chance of rain (4 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 5:37 AM, sunset at 7:55 PM
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Sunday, August 9

- High of 83 掳F, low of 69 掳F (59% humidity)
- Partly sunny with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 5:38 AM, sunset at 7:54 PM

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