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South Portland Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in South Portland

South Portland temperature today is 9°, feels like 8°, with a humidity level of 82% and wind at 7.42 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in South Portland: expect a high of 24° and a low of 13°, with broken clouds.

clear sky
9°
clear sky
H: 11° L: 8°
Feels like 8°
AQI: Moderate (3/5)
South Portland
Weather Updated Sep 15, 2026 11:50 AM
Humidity
82%
Dew 6°
Wind speed
7.42 km/h
WNW
Pressure
1024 hPa
Visibility
10 km
Weather Summary
Currently in South Portland, expect varied conditions with cold temperatures around 9°. Winds are a light breeze. High humidity may make it feel uncomfortable.
Tue
scattered clouds
19° 9°
Wed
broken clouds
24° 13°
Thu
overcast clouds
21° 17°
95%
Fri
clear sky
21° 13°
80%
Sat
overcast clouds
18° 10°
Sun
overcast clouds
12° 12°
Daily Weather Forecast
Tuesday
09/15/2026
scattered clouds
9°
19°
Wednesday
09/16/2026
broken clouds
13°
24°
Thursday
09/17/2026
overcast clouds
17°
21°
95%
Friday
09/18/2026
clear sky
13°
21°
80%
Saturday
09/19/2026
overcast clouds
10°
18°
Sunday
09/20/2026
overcast clouds
12°
12°
Precipitation Probability
0%
05
0%
08
0%
11
0%
14
0%
17
0%
20
0%
23
0%
02
0%
05
0%
08
0%
11
0%
14
0%
17
0%
20
0%
23
0%
02
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
10°
Tue
05:00
13°
 
18°
 
19°
 
19°
Tue
17:00
15°
 
14°
 
13°
 
13°
Wed
05:00
15°
 
20°
 
24°
 
21°
Wed
17:00
19°
 
16°
 
17°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:20
Sunset
Sunset
18:52
Moon Phase
Waxing Crescent (21%)
Timezone: GMT+05:30
Last updated: Sep 15, 2026 11:50 AM · Data refreshes every 5 min
Location Info
Latitude
Latitude
43.641472
Longitude
Longitude
-70.240883
Embed This Weather

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More about South Portland
Content curated by the NearWeather editorial team · Updated periodically
South Portland is a city located in the U.S. state of Maine. It lies on the southern side of Portland Harbor, where the Fore River and Back River meet to form the harbor. The climate in South Portland is classified as a humid continental climate, with warm summers and cold winters. The average temperature in the summer months is around 68°F (20°C) and the average temperature in winter months is around 18°F (-8°C). Snowfall is common in the winter months and the area typically receives around 45 inches (114 cm) of snow each year. The area also receives around 44 inches (112 cm) of rain annually.
Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about South Portland
What is the temperature in South Portland right now?

The current temperature in South Portland is 9°, and it feels like 8°. Today's high is 11° and the low is 8°.

Will it rain in South Portland today?

No rain is expected in South Portland today (0% chance). Conditions are currently clear sky.

What is the weather in South Portland today?

South Portland is experiencing clear sky with a temperature of 9°. Humidity is at 82% and wind speed is 7.42 km/h from the WNW.

What is the humidity in South Portland today?

Humidity in South Portland is 82% right now, with a dew point of 6°. Conditions may feel muggy or uncomfortable.

What is the wind speed in South Portland today?

Wind speed in South Portland is 7.42 km/h, flowing at 300° WNW wind direction.

What is the 5-day forecast for South Portland?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for South Portland. Today's high is 11° and low is 8°, with a 0% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in South Portland today?

It feels like 8° in South Portland today, with 0% cloud cover and 10 km visibility.

Weather in South Portland
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