Weather forecast for today
South Portland, ME

Today
Tomorrow
Long-term
YearJFMAMayJJASOND
Contents

Weather forecast for today

Sunday, May 4.

PM Rain
5:26 am

7:48 pm
EDT
PM Rain
55°F / 50°F
  • Wind: 6mph ENE
  • Humidity: 92%
  • Precip. probability: 93%
  • Precipitation: 0.43"
  • UV index: 3
Today, in South Portland, afternoon showers are expected to impact the area.
The chance of rain is high, and precipitation will be moderate. The temperature is predicted to vary slightly from a high of a moderate 55.4°F to a low of a crisp 50°F.
The forecasted maximum temperature will closely reflect May's average high of 57.4°F.
Sunrise was at 5:26 am and sunset will be at 7:48 pm; the daylight will last for 14h and 22min.

Current condition

Fog
9:19 am EDT
Fog
  • 54°F
  • Feels like: 52°F
  • Wind: 5mph NNE
  • Humidity: 99%
  • Dewpoint: 52°F
  • Pressure: 29.97"Hg
  • Precipitation: 0"
  • Visibility: 1mi
  • UV index: 1
At the moment, humid conditions have led to the formation of dense fog across the area.
The temperature is a cool 53.6°F, while the felt air temperature is a similar 51.8°F. The current temperature is nearly at the maximum 55.4°F for today.

Weather radar - South Portland, ME

Doppler radar displays precipitation for the past 2h and forecasts the next 30min

Frequently asked questions

What is the current temperature?
The current temperature (9:19 am EDT) is 53.6°F.
What is the weather forecast for South Portland for today?
On Sunday, afternoon rain is expected to roll in, bringing a wet finish to the day.
Will it rain today?
With a probability of 93%, moderate precipitation of 0.43" is forecasted in South Portland.
What will be the maximum temperature today?
Today, the maximum temperature in South Portland will be 55.4°F, while the minimum temperature will be 50°F.
The maximum temperature will be in line with the average highest temperature of 57.4°F in May. The lowest temperature today will be also in line with the average low temperature.
When are sunrise and sunset today?
On Sunday, in South Portland, sunrise was at 5:26 am and sunset will be at 7:48 pm (EDT).
How many hours of daylight will South Portland have today?
In South Portland, today, there will be 14h and 22min of daylight.

Hourly weather forecast

10 am
  • 54°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Wind: 6mph NE
  • Pressure: 29.94"Hg
  • Humidity: 98%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 1mi
11 am
  • 54°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Wind: 6mph NE
  • Pressure: 29.97"Hg
  • Humidity: 97%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 2mi
12 pm
  • 54°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Wind: 7mph NE
  • Pressure: 29.97"Hg
  • Humidity: 95%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 2mi
1 pm
  • 54°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Wind: 6mph NE
  • Pressure: 29.97"Hg
  • Humidity: 91%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 2mi
2 pm
  • 54°F
  • Feels like:
    54°F
Showers
Showers
  • Wind: 5mph ENE
  • Pressure: 29.97"Hg
  • Humidity: 90%
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • Visibility: 1mi
3 pm
  • 54°F
  • Feels like:
    54°F
Light Rain
Light Rain
  • Wind: 6mph ENE
  • Pressure: 30"Hg
  • Humidity: 89%
  • Precip. probability: 74%
  • Precipitation: 0.04"
  • Visibility: 1mi
4 pm
  • 54°F
  • Feels like:
    52°F
Rain
Rain
  • Wind: 5mph ENE
  • Pressure: 30"Hg
  • Humidity: 90%
  • Precip. probability: 91%
  • Precipitation: 0.08"
  • Visibility: 1mi
5 pm
  • 54°F
  • Feels like:
    54°F
Rain
Rain
  • Wind: 4mph ENE
  • Pressure: 30"Hg
  • Humidity: 89%
  • Precip. probability: 90%
  • Precipitation: 0.04"
  • Visibility: 1mi
6 pm
  • 54°F
  • Feels like:
    54°F
Rain
Rain
  • Wind: 5mph ENE
  • Pressure: 30.03"Hg
  • Humidity: 87%
  • Precip. probability: 93%
  • Precipitation: 0.08"
  • Visibility: 1mi
7 pm
  • 54°F
  • Feels like:
    52°F
Rain
Rain
  • Wind: 5mph ENE
  • Pressure: 30.03"Hg
  • Humidity: 87%
  • Precip. probability: 94%
  • Precipitation: 0.08"
  • Visibility: 1mi
Sunset: 7:48 pm
8 pm
  • 52°F
  • Feels like:
    52°F
Rain
Rain
  • Wind: 3mph NE
  • Pressure: 30.06"Hg
  • Humidity: 91%
  • Precip. probability: 88%
  • Precipitation: 0.08"
  • Visibility: 1mi
9 pm
  • 52°F
  • Feels like:
    52°F
Rain
Rain
  • Wind: 1mph ENE
  • Pressure: 30.09"Hg
  • Humidity: 95%
  • Precip. probability: 81%
  • Precipitation: 0.04"
  • Visibility: 1mi
10 pm
  • 52°F
  • Feels like:
    52°F
Rain
Rain
  • Wind: 2mph NE
  • Pressure: 30.12"Hg
  • Humidity: 94%
  • Precip. probability: 77%
  • Precipitation: 0.04"
  • Visibility: 1mi
11 pm
  • 52°F
  • Feels like:
    52°F
Light Rain
Light Rain
  • Wind: 2mph NE
  • Pressure: 30.12"Hg
  • Humidity: 97%
  • Precip. probability: 69%
  • Precipitation: 0.04"
  • Visibility: 1mi
Today, a combination of wet and overcast weather is expected.
Rain is expected from 2 pm to 11 pm. With light precipitation of 0.08", the most intense rain will be falling at 4 pm, and from 6 pm to 8 pm.
The temperature will vary between the highest temperature of 53.6°F and the lowest temperature of 51.8°F.
Today, the temperature is forecasted to be in line with the usual maximum for May. The temperature low is forecasted to be also close to the usual May value of 46.9°F.
Updated: May 4, 2025 @ 13:19:56 UTC
Published by: Weather U.S. | About Us
Data Sources | |
Weather Forecasting & Climate
Today
Tomorrow
Long-term
YearJFMAMayJJASOND

South Portland, Maine, USA

  • en: South Portland, Maine, USA
  • es: South Portland, Maine, EE.UU.
  • hr: Saut Portland, Mejn, SAD
  • sr: Saut Portland, Mejn, SAD
  • zh: 南波特兰, 缅因州, 美国
  • Latitude: 43.641472°
  • Longitude: -70.240881°
  • Elevation: 26 ft
  • Current time: 9:42am EDT
  • Sunrise: 5:26 am EDT
  • Sunset: 7:48 pm EDT
  • Timezone: America/New_York
Climate data

Nearby South Portland, Maine, USA

°Celsius°Fahrenheit
Share