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South Portland weather
Current conditions and a 14-day forecast for South Portland, United States. Looking for typical seasonal weather instead? See the historical climate averages.
Now
30°C
Mainly clear · feels 29°C
Humidity
37%
relative humidity
Wind
26 km/h
10m wind speed
Chance of rain
37%
today
Next 24 hours in South Portland
| Time | Conditions | Temp | Rain chance |
|---|---|---|---|
| 1pm | Mainly clear | 29°C | 1% |
| 2pm | Mainly clear | 30°C | 1% |
| 3pm | Clear sky | 30°C | 0% |
| 4pm | Clear sky | 29°C | 0% |
| 5pm | Clear sky | 29°C | 1% |
| 6pm | Clear sky | 28°C | 0% |
| 7pm | Mainly clear | 26°C | 0% |
| 8pm | Clear sky | 24°C | 0% |
| 9pm | Clear sky | 22°C | 0% |
| 10pm | Clear sky | 22°C | 0% |
| 11pm | Clear sky | 21°C | 0% |
| 12am | Clear sky | 20°C | 0% |
| 1am | Clear sky | 20°C | 0% |
| 2am | Clear sky | 19°C | 0% |
| 3am | Clear sky | 19°C | 0% |
| 4am | Clear sky | 19°C | 0% |
| 5am | Clear sky | 18°C | 0% |
| 6am | Clear sky | 18°C | 0% |
| 7am | Clear sky | 21°C | 0% |
| 8am | Clear sky | 23°C | 0% |
| 9am | Clear sky | 25°C | 0% |
| 10am | Clear sky | 25°C | 0% |
| 11am | Clear sky | 26°C | 0% |
| 12pm | Mainly clear | 27°C | 0% |
14-day forecast for South Portland
| Day | Conditions | High / Low | Rain chance |
|---|---|---|---|
| Today | Overcast | 30° / 21° | 37% |
| Thu, Jul 16 | Overcast | 28° / 18° | 12% |
| Fri, Jul 17 | Overcast | 29° / 14° | 2% |
| Sat, Jul 18 | Moderate drizzle | 22° / 15° | 82% |
| Sun, Jul 19 | Moderate rain showers | 28° / 16° | 82% |
| Mon, Jul 20 | Overcast | 29° / 14° | 3% |
| Tue, Jul 21 | Moderate rain showers | 29° / 16° | 40% |
| Wed, Jul 22 | Overcast | 27° / 16° | 38% |
| Thu, Jul 23 | Clear sky | 25° / 15° | 19% |
| Fri, Jul 24 | Overcast | 22° / 14° | 9% |
| Sat, Jul 25 | Thunderstorm | 21° / 17° | 23% |
| Sun, Jul 26 | Overcast | 23° / 13° | 40% |
| Mon, Jul 27 | Overcast | 22° / 11° | 42% |
| Tue, Jul 28 | Partly cloudy | 29° / 14° | 35% |
Want more sun and moon detail for South Portland? Use the sun calculator or moon calculator and search for South Portland. For a live look at any other city, try the interactive weather tool.
Frequently asked questions
What's the weather like in South Portland today?
Current conditions and today's forecast for South Portland, United States are shown above, refreshed regularly through the day.
How accurate is a 14-day forecast?
A forecast is most reliable for the next 3-5 days. Beyond that, temperature and precipitation chances further out are a general trend rather than an exact prediction.
What is South Portland's weather usually like?
For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see South Portland's climate page rather than this live forecast.