Weather forecast for 10 days
South Portland, ME

Weather forecast for the weekend

Saturday, Apr 26.

Rain
5:38 am

7:39 pm
EDT
Rain
57°F / 46°F
  • Wind: 13mph S
  • Humidity: 89%
  • Precip. probability: 73%
  • Precipitation: 0.59"
  • UV index: 3
On Saturday, in South Portland, the rain is expected to continue, making for a damp and dreary day.
The chance of rainfall is high, and precipitation will be moderate. The temperature scale will run from a maximum of a mild 57.2°F to a minimum of a frosty 46.4°F.
On Saturday, the warmer forecast high of 57.2°F matches May's pattern over April's.
Sunrise will be at 5:38 am and sunset at 7:39 pm; the daylight will last for 14h and 1min.

Sunday, Apr 27.

PM Showers
5:36 am

7:40 pm
EDT
PM Showers
50°F / 45°F
  • Wind: 14mph NNW
  • Humidity: 69%
  • Precip. probability: 36%
  • Precipitation: 0.16"
  • UV index: 4
On Sunday, April 27, a mix of clouds and showers is expected later in the afternoon.
The likelihood of rainfall is low, and light precipitation is predicted. Slight temperature shifts from a high of a fresh 50°F to a low of a chilly 44.6°F are anticipated.
Sunday's high temperature will mirror the usual April maximum of 47.8°F.
Sunrise will be at 5:36 am and sunset at 7:40 pm; the daylight will last for 14h and 4min.

Frequently asked questions

What is the weather forecast for South Portland for Saturday?
On Saturday, wet weather is in store, with rain expected on and off.
Will it rain on Saturday?
Moderate precipitation of 0.59" is forecasted on Saturday. The likelihood of rainfall is 73%.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 57.2°F, while the minimum temperature will be 46.4°F.
What is the weather forecast for South Portland for Sunday?
On Sunday, a chance of afternoon showers exists, so it may be a good idea to keep an umbrella handy.
Will it rain on Sunday?
Light precipitation of 0.16" is forecasted on Sunday. The possibility of rainfall is 36%.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 50°F, while the minimum temperature will be 44.6°F.
What is the weather forecast for South Portland for the next ten days?
In South Portland, a combination of damp, dry and sunny and cloudy weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is forecasted for Friday through Sunday and next Friday in South Portland. Saturday, with moderate precipitation of 0.59", will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 50°F and 66.2°F, as the minimum temperature will be between 42.8°F and 59°F.
What will be the warmest and the coldest days?
With a maximum temperature of 66.2°F, Monday through Wednesday will be the warmest days. With a maximum temperature of 50°F, Sunday and next Friday will be the coldest days.

Long-term weather forecast

ThuApr 24.
  • 59°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph SSE
  • Humidity: 51%
  • UV index: 6
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:41 am 7:36 pm EDT
FriApr 25.
  • 61°F
  • 45°F
PM Showers
PM Showers
  • Wind: 9mph E
  • Humidity: 71%
  • UV index: 6
  • Precip. probability: 47%
  • Precipitation: 0.08"
  • 5:39 am 7:37 pm EDT
SatApr 26.
  • 57°F
  • 46°F
Rain
Rain
  • Wind: 13mph S
  • Humidity: 89%
  • UV index: 3
  • Precip. probability: 73%
  • Precipitation: 0.59"
  • 5:38 am 7:39 pm EDT
SunApr 27.
  • 50°F
  • 45°F
PM Showers
PM Showers
  • Wind: 14mph NNW
  • Humidity: 69%
  • UV index: 4
  • Precip. probability: 36%
  • Precipitation: 0.16"
  • 5:36 am 7:40 pm EDT
MonApr 28.
  • 66°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph NW
  • Humidity: 44%
  • UV index: 7
  • Precip. probability: 3%
  • Precipitation: 0"
  • 5:35 am 7:41 pm EDT
TueApr 29.
  • 66°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph SSW
  • Humidity: 53%
  • UV index: 6
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:33 am 7:42 pm EDT
WedApr 30.
  • 66°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph W
  • Humidity: 57%
  • UV index: 5
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:32 am 7:43 pm EDT
ThuMay 1.
  • 54°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph E
  • Humidity: 53%
  • UV index: 7
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:30 am 7:45 pm EDT
FriMay 2.
  • 50°F
  • 43°F
Showers
Showers
  • Wind: 10mph ESE
  • Humidity: 76%
  • UV index: 4
  • Precip. probability: 47%
  • Precipitation: 0.31"
  • 5:29 am 7:46 pm EDT
SatMay 3.
  • 57°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph W
  • Humidity: 70%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:28 am 7:47 pm EDT
Looking ahead, conditions suggest a period of rain-soaked, bright and overcast weather is forecasted.
Rainfall is forecasted for Friday through Sunday and next Friday.
Expect a substantial fluctuation in daytime highs in the upcoming period. Forecast highs will fluctuate between 50°F and 66.2°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 42.8°F up to 59°F.
With a maximum temperature of 66.2°F, Monday through Wednesday will be the warmest days in South Portland; with a maximum temperature of 50°F, Sunday and next Friday will be the coldest days in South Portland.
Updated: Apr 24, 2025 @ 14:35:55 UTC
Published by: Weather U.S. | About Us
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