Weather in South Portland, United States 🇺🇸
Weather Forecast in South Portland
South Portland currently sits at 21°C, overcast, feeling like 21°C. Expect 73% humidity and winds of about 22 km/h, and the UV index is 5 (moderate). Over the next few days, temperatures in South Portland range from about 14°C to 23°C.
Hourly Forecast for South Portland
14-Day Forecast for South Portland
Sunny
Overcast
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Light rain shower
Sunny
Sunny
Light rain shower
Partly Cloudy
Partly Cloudy
Additional Forecasts for South Portland
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Historical Weather
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Best Time to Be Outside in South Portland Today
The most comfortable window in South Portland today looks like 16:00 to 18:00, when it is around 21°C. It should stay dry through that window. The next likely rain is around 20:00.
Frequently Asked Questions about Weather in South Portland
What is the temperature in South Portland right now?
It is currently 21°C (70°F) in South Portland, overcast (feels like 21°C).
What's the weather like in South Portland right now?
Conditions in South Portland right now: Overcast, humidity 73%, wind 22 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: 74%.
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: 22°C / 14°C
- 2026-07-24: 22°C / 13°C
- 2026-07-25: 20°C / 14°C
- 2026-07-26: 21°C / 13°C
- 2026-07-27: 24°C / 15°C
Is it going to rain in South Portland today?
There is a 74% chance of rain in South Portland today. Total expected precipitation: 17.25 mm.
What is the wind speed in South Portland right now?
Wind in South Portland is currently 22 km/h (13 mph) from the S.
What is the UV index in South Portland right now?
The UV index in South Portland is currently 5 (moderate). Sun protection is recommended when the index is 3 or higher.
