Weather in South Portland, United States 🇺🇸
The current temperature in South Portland is 17°C, overcast, feeling like 14°C. Humidity sits at 58% and winds are near 13 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in South Portland from about 16°C to 26°C.
Hourly Forecast for South Portland
14-Day Forecast for South Portland
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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 15:00 to 18:00, when it is around 18°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in South Portland
What is the temperature in South Portland right now?
It is currently 17°C (62°F) in South Portland, overcast (feels like 14°C).
What's the weather like in South Portland right now?
Conditions in South Portland right now: Overcast, humidity 58%, wind 13 km/h W.
What is today's forecast for South Portland?
Today in South Portland: high 22°C, low 17°C, overcast. Chance of rain: 25%.
What is the 7-day weather forecast for South Portland?
Daily highs and lows for South Portland:
- 2026-09-08: 22°C / 17°C
- 2026-09-09: 20°C / 16°C
- 2026-09-10: 26°C / 19°C
- 2026-09-11: 19°C / 13°C
- 2026-09-12: 18°C / 12°C
- 2026-09-13: 22°C / 16°C
- 2026-09-14: 27°C / 18°C
Is it going to rain in South Portland today?
There is a 25% chance of rain in South Portland today. Total expected precipitation: 0.24 mm.
What is the wind speed in South Portland right now?
Wind in South Portland is currently 13 km/h (8 mph) from the W.
What is the UV index in South Portland right now?
The UV index in South Portland is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
