Weather forecast for 10 days
South Portland, ME

Weather forecast for the weekend

Saturday, Jun 21.

Mostly Sunny
4:57 am

8:27 pm
EDT
Mostly Sunny
75°F / 63°F
  • Wind: 9mph SW
  • Humidity: 56%
  • Precip. probability: 4%
  • Precipitation: 0.12"
  • UV index: 8
On Saturday, in South Portland, sunshine will prevail for most of the day.
Minimal precipitation is predicted. The temperature is expected to oscillate between a maximum of a warm 75.2°F and a minimum of a comfortable 62.6°F.
On Saturday, expect warmer conditions as the high matches July's average of 72.5°F, not June's.
Sunrise will be at 4:57 am and sunset at 8:27 pm; the daylight will last for 15h and 30min.

Sunday, Jun 22.

Partly Cloudy
4:58 am

8:28 pm
EDT
Partly Cloudy
75°F / 64°F
  • Wind: 9mph SSE
  • Humidity: 78%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 8
On Sunday, in South Portland, variable cloud cover will persist, but sunshine will break through.
The temperature is forecasted to oscillate between a maximum of a moderately hot 75.2°F and a minimum of an enjoyable 64.4°F.
On Sunday, the warmer forecast high of 75.2°F matches July's pattern over June's.
Sunrise will be at 4:58 am and sunset at 8:28 pm; the daylight will last for 15h and 30min.

Frequently asked questions

What is the weather forecast for South Portland for Saturday?
On Saturday, predominantly sunny weather will make for pleasant outdoor conditions.
Will it rain on Saturday?
On Saturday, there is a low probability of minimal rainfall in South Portland.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 75.2°F, while the minimum temperature will be 62.6°F.
What is the weather forecast for South Portland for Sunday?
On Sunday, in South Portland, partly cloudy skies will persist, making for a mix of sun and clouds.
What will be the maximum temperature in South Portland on Sunday?
On Sunday, the maximum temperature will be 75.2°F, while the minimum temperature will be 64.4°F.
What is the weather forecast for South Portland for the next ten days?
In South Portland, weather will be unstable, and a combination of dull, dry and sunny, rain-filled and storm-filled weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Tuesday through Thursday in South Portland. With light precipitation of 0.28", Tuesday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 64.4°F and 87.8°F, as the minimum temperature will be between 55.4°F and 69.8°F.
Combining with the humidity, the maximum feel-like temperature will vary between 64.4°F and 95°F.
What will be the hottest and the coldest days?
Next Tuesday will be the hottest day, with a maximum temperature of 87.8°F. Tomorrow will be the coldest day, with a maximum temperature of 64.4°F.

Long-term weather forecast

MonJun 16.
  • min.
  • 55°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph S
  • Humidity: 94%
  • UV index: 0
  • Precip. probability: 16%
  • Precipitation: 0"
  • 4:57 am 8:26 pm EDT
TueJun 17.
  • 64°F
  • 59°F
Cloudy
Cloudy
  • Wind: 8mph SSE
  • Humidity: 89%
  • UV index: 4
  • Precip. probability: 24%
  • Precipitation: 0.28"
  • 4:57 am 8:26 pm EDT
WedJun 18.
  • 72°F
  • 64°F
Showers
Showers
  • Wind: 10mph S
  • Humidity: 90%
  • UV index: 5
  • Precip. probability: 65%
  • Precipitation: 0.16"
  • 4:57 am 8:27 pm EDT
ThuJun 19.
  • 75°F
  • 64°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 12mph S
  • Humidity: 82%
  • UV index: 4
  • Precip. probability: 37%
  • Precipitation: 0.04"
  • 4:57 am 8:27 pm EDT
FriJun 20.
  • 77°F
  • 59°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph W
  • Humidity: 57%
  • UV index: 8
  • Precip. probability: 21%
  • Precipitation: 0"
  • 4:57 am 8:27 pm EDT
SatJun 21.
  • 75°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph SW
  • Humidity: 56%
  • UV index: 8
  • Precip. probability: 4%
  • Precipitation: 0.12"
  • 4:57 am 8:27 pm EDT
SunJun 22.
  • 75°F
  • 64°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SSE
  • Humidity: 78%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0"
  • 4:58 am 8:28 pm EDT
MonJun 23.
  • 81°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSW
  • Humidity: 73%
  • UV index: 8
  • Precip. probability: 20%
  • Precipitation: 0"
  • 4:58 am 8:28 pm EDT
TueJun 24.
  • 88°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WSW
  • Humidity: 59%
  • UV index: 8
  • Precip. probability: 20%
  • Precipitation: 0"
  • 4:58 am 8:28 pm EDT
WedJun 25.
  • 82°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph W
  • Humidity: 62%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0"
  • 4:59 am 8:28 pm EDT
The next ten days will bring unstable conditions, and a mix of cloudy, clear, wet and turbulent weather is predicted.
Rainfall is expected on Tuesday through Thursday.
Significant changes in temperature are expected over the next several days. The maximum temperature will vary between 64.4°F and 87.8°F, while the variation in nighttime lows will be also notably wide, as nighttime lows are forecast to fall between 55.4°F and 69.8°F.
The hottest day will be next Tuesday, with a maximum of 87.8°F; the coldest day will be Tuesday, with a maximum of 64.4°F.
Combining with the humidity, the maximum feel-like temperature may increase and vary between 64.4°F and a very hot 95°F.
Updated: Jun 17, 2025 @ 00:49:26 UTC
Published by: Weather U.S. | About Us
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