Weather in South Portland, United States 🇺🇸
Weather Forecast in South Portland
South Portland currently sits at 20°C, overcast, feeling like 20°C. Expect 81% humidity and winds of about 17 km/h, and the UV index is 4 (moderate). Over the next few days, temperatures in South Portland range from about 15°C to 23°C.
Hourly Forecast for South Portland
14-Day Forecast for South Portland
Sunny
Patchy rain nearby
Sunny
Sunny
Sunny
Sunny
Sunny
Partly Cloudy
Sunny
Sunny
Sunny
Patchy rain nearby
Sunny
Sunny
Additional Forecasts for South Portland
Air Quality
Historical Weather
Weather Forecasts for Other Cities in United States
Browse Weather in United States by cities in alphabetical order:
Best Time to Be Outside in South Portland Today
The most comfortable window in South Portland today looks like 11:00 to 13:00, when it is around 21°C. It should stay dry through that window. The next likely rain is around 21:00.
Frequently Asked Questions about Weather in South Portland
What is the temperature in South Portland right now?
It is currently 20°C (69°F) in South Portland, overcast (feels like 20°C).
What's the weather like in South Portland right now?
Conditions in South Portland right now: Overcast, humidity 81%, wind 17 km/h S.
What is today's forecast for South Portland?
Today in South Portland: high 22°C, low 16°C, sunny. Chance of rain: 69%.
What is the 7-day weather forecast for South Portland?
Daily highs and lows for South Portland:
- 2026-07-21: 22°C / 16°C
- 2026-07-22: 23°C / 17°C
- 2026-07-23: 23°C / 15°C
- 2026-07-24: 21°C / 13°C
- 2026-07-25: 22°C / 14°C
- 2026-07-26: 22°C / 16°C
- 2026-07-27: 24°C / 16°C
Is it going to rain in South Portland today?
There is a 69% chance of rain in South Portland today. Total expected precipitation: 6.25 mm.
What is the wind speed in South Portland right now?
Wind in South Portland is currently 17 km/h (10 mph) from the S.
What is the UV index in South Portland right now?
The UV index in South Portland is currently 3.5 (moderate). Sun protection is recommended when the index is 3 or higher.
