Cities / United States / Maine

17°

☁️ South Portland weather

Overcast. .

Feels like 18° Wind 4 km/h NE Humidity 97% Pressure 1013 hPa UV 0 Air Good ☀ 06:07 - 19:13

Right now it is 17° in South Portland with overcast skies, today's high is 17° with an overnight low of 16° and about 2.6 mm of rain is expected. The sun rises at 06:07 and sets at 19:13, giving 13h 06m of daylight. Over the coming week highs range from 17° to 26°.

South Portland is in Maine, United States, sitting 7 m above sea level, with a population of about 26,000. Local time is America/New_York (UTC−4), and every time on this page is shown in it.

Next 24 hours - temperature

16° 18° 20° 19° 16° 15:00 · 16.7° · 0 mm 16:00 · 16.8° · 0 mm 17:00 · 17° · 0 mm 18:00 · 16.7° · 0 mm 19:00 · 16.6° · 0 mm 20:00 · 16.4° · 0 mm 21:00 · 16.7° · 0 mm 22:00 · 16.8° · 0 mm 23:00 · 16.8° · 0 mm 00:00 · 16.7° · 0 mm 01:00 · 16.7° · 0 mm 02:00 · 16.6° · 0 mm 03:00 · 16.5° · 0 mm 04:00 · 16.4° · 0 mm 05:00 · 16.4° · 0 mm 06:00 · 16.5° · 0 mm 07:00 · 16.6° · 0 mm 08:00 · 16.9° · 0 mm 09:00 · 17.3° · 0 mm 10:00 · 17.3° · 0 mm 11:00 · 17.4° · 0 mm 12:00 · 17.9° · 0 mm 13:00 · 18.2° · 0 mm 14:00 · 18.5° · 0 mm

Precipitation

15:00 · 0 mm 15:00 16:00 · 0 mm 17:00 · 0 mm 18:00 · 0 mm 18:00 19:00 · 0 mm 20:00 · 0 mm 21:00 · 0 mm 21:00 22:00 · 0 mm 23:00 · 0 mm 00:00 · 0 mm 00:00 01:00 · 0 mm 02:00 · 0 mm 03:00 · 0 mm 03:00 04:00 · 0 mm 05:00 · 0 mm 06:00 · 0 mm 06:00 07:00 · 0 mm 08:00 · 0 mm 09:00 · 0 mm 09:00 10:00 · 0 mm 11:00 · 0 mm 12:00 · 0 mm 12:00 13:00 · 0 mm 14:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
15:00 ☁️ 16.7° 18.1° - Overcast
16:00 ☁️ 16.8° 17.4° - Overcast
17:00 ⛅ 17° 17.2° - Partly cloudy
18:00 ⛅ 16.7° 16.9° - Partly cloudy
19:00 ☁️ 16.6° 17.2° - Overcast
20:00 ☁️ 16.4° 17.3° - Overcast
21:00 ☁️ 16.7° 17.6° - Overcast
22:00 ☁️ 16.8° 18° - Overcast
23:00 ☁️ 16.8° 18.7° - Overcast
00:00 ☁️ 16.7° 18.2° - Overcast
01:00 ☁️ 16.7° 18.1° - Overcast
02:00 ☁️ 16.6° 18.6° - Overcast

Next 16 days

Today🌧️ 17°16°2.6mm Fri 4🌧️ 19°16°1.8mm Sat 5☁️ 20°16° Sun 6🌤️ 22°13° Mon 7☀️ 26°14° Tue 8🌧️ 21°13°1.5mm Wed 9🌦️ 17°12°2.1mm Thu 10🌦️ 24°15°3.6mm Fri 11⛅ 19°14° Sat 12☀️ 19°13° Sun 13☀️ 18°11° Mon 14⛅ 19°13° Tue 15🌦️ 21°16°2.4mm Wed 16☁️ 21°18° Thu 17🌦️ 18°14°3.9mm Fri 18🌧️ 22°16°8.4mm
🌧️ TodaySeptember 3rd Avg 17° Low 16° at 11:00 High 17° at 17:00 2.6 mm rain Wind ~16 km/h
Cloudy Cloudy Cloudy
00:00 17°
02:00 17° 0.4mm
04:00 17°
06:00 17°
08:00 17°
10:00 16°
12:00 16°
14:00 17°
16:00 17°
18:00 17°
20:00 16°
22:00 17°
🌧️ FridaySeptember 4th Avg 17° Low 16° at 04:00 High 19° at 16:00 1.8 mm rain Wind ~17 km/h
Cloudy Clear Cloudy Cloudy
00:00 17°
02:00 17°
04:00 16°
06:00 17°
08:00 17°
10:00 17°
12:00 18°
14:00 19°
16:00 19°
18:00 18°
20:00 18°
22:00 18°
☁️ SaturdaySeptember 5th Avg 18° Low 16° at 22:00 High 20° at 11:00 Feels 18° Wind ~26 km/h
Clear Clear Cloudy Cloudy
00:00 18°
02:00 17°
04:00 17°
06:00 17°
08:00 17°
10:00 20°
12:00 20°
14:00 18°
16:00 17°
18:00 17°
20:00 17°
22:00 16°
🌤️ SundaySeptember 6th Avg 17° Low 13° at 06:00 High 22° at 15:00 Feels 17° Wind ~25 km/h
Clear Clear
00:00 16°
02:00 16°
04:00 14°
06:00 13°
08:00 15°
10:00 18°
12:00 20°
14:00 21°
16:00 22°
18:00 20°
20:00 18°
22:00 16°
☀️ MondaySeptember 7th Avg 19° Low 14° at 06:00 High 26° at 16:00 Feels 24° Wind ~16 km/h
Clear
00:00 16°
02:00 15°
04:00 14°
06:00 14°
08:00 16°
10:00 20°
12:00 22°
14:00 23°
16:00 26°
18:00 25°
20:00 21°
22:00 19°
🌧️ TuesdaySeptember 8th Avg 17° Low 13° at 07:00 High 21° at 15:00 1.5 mm rain Feels 17° Wind ~28 km/h
Clear
00:00 19°
02:00 17° 0.3mm
04:00 16°
06:00 13°
08:00 14°
10:00 16°
12:00 19°
14:00 21°
16:00 21°
18:00 20°
20:00 17°
22:00 16°
🌦️ WednesdaySeptember 9th Avg 14° Low 12° at 05:00 High 17° at 16:00 2.1 mm rain Feels 13° Wind ~19 km/h
Partly Cloudy Cloudy Rain
00:00 14°
02:00 13°
04:00 13°
06:00 12°
08:00 13°
10:00 14°
12:00 15°
14:00 16°
16:00 17°
18:00 16° 0.5mm
20:00 15° 0.5mm
22:00 14° 0.2mm
🌦️ ThursdaySeptember 10th Avg 18° Low 15° at 00:00 High 24° at 16:00 3.6 mm rain Wind ~21 km/h
Rain Cloudy Partly Cloudy Clear
00:00 15° 0.4mm
02:00 15° 0.4mm
04:00 16° 0.2mm
06:00 16° 0.6mm
08:00 16° 0.6mm
10:00 17°
12:00 19°
14:00 23°
16:00 24°
18:00 23°
20:00 20°
22:00 18°
⛅ FridaySeptember 11th Avg 16° Low 14° at 23:00 High 19° at 14:00 Feels 16° Wind ~36 km/h
Clear Partly Cloudy Clear
00:00 16°
02:00 15°
04:00 16°
06:00 15°
08:00 15°
10:00 15°
12:00 17°
14:00 19°
16:00 17°
18:00 16°
20:00 15°
22:00 15°
☀️ SaturdaySeptember 12th Avg 15° Low 13° at 03:00 High 19° at 14:00 Feels 12° Wind ~31 km/h
Clear Clear
00:00 14°
02:00 13°
04:00 13°
06:00 13°
08:00 14°
10:00 16°
12:00 18°
14:00 19°
16:00 18°
18:00 17°
20:00 15°
22:00 15°
☀️ SundaySeptember 13th Avg 14° Low 11° at 05:00 High 18° at 14:00 Feels 15° Wind ~23 km/h
Clear Cloudy
00:00 14°
02:00 13°
04:00 12°
06:00 11°
08:00 12°
10:00 15°
12:00 17°
14:00 18°
16:00 17°
18:00 16°
20:00 15°
22:00 15°
⛅ MondaySeptember 14th Avg 16° Low 13° at 05:00 High 19° at 14:00 Feels 14° Wind ~29 km/h
Cloudy Partly Cloudy Cloudy Partly Cloudy Cloudy
00:00 14°
02:00 14°
04:00 13°
06:00 13°
08:00 15°
10:00 17°
12:00 18°
14:00 19°
16:00 18°
18:00 17°
20:00 17°
22:00 17°
🌦️ TuesdaySeptember 15th Avg 18° Low 16° at 03:00 High 21° at 20:00 2.4 mm rain Wind ~29 km/h
Rain Cloudy
00:00 17° 0.1mm
02:00 16° 0.1mm
04:00 16° 0.3mm
06:00 16° 0.2mm
08:00 17° 0.2mm
10:00 18° 0.1mm
12:00 18° 0.1mm
14:00 19° 0.1mm
16:00 20°
18:00 21°
20:00 21°
22:00 21°
☁️ WednesdaySeptember 16th Avg 20° Low 18° at 21:00 High 21° at 11:00 Wind ~19 km/h
Clear Cloudy
00:00 20°
02:00 20°
04:00 19°
06:00 19°
08:00 19°
10:00 21°
12:00 21°
14:00 21°
16:00 20°
18:00 19°
20:00 18°
22:00 18°
🌦️ ThursdaySeptember 17th Avg 15° Low 14° at 16:00 High 18° at 00:00 3.9 mm rain Feels 16° Wind ~30 km/h
Rain Cloudy Rain
00:00 18° 0.1mm
02:00 16° 0.1mm
04:00 15°
06:00 15° 0.1mm
08:00 14° 0.1mm
10:00 14° 0.1mm
12:00 15° 0.2mm
14:00 14° 0.2mm
16:00 14° 0.2mm
18:00 15° 0.2mm
20:00 15° 0.2mm
22:00 16° 0.4mm
🌧️ FridaySeptember 18th Avg 18° Low 16° at 00:00 High 22° at 14:00 8.4 mm rain Feels 24° Wind ~30 km/h
Rain Partly Cloudy
00:00 16° 0.4mm
02:00 17° 0.4mm
04:00 17° 0.7mm
06:00 17° 1.2mm
08:00 18° 1.2mm
10:00 18° 0.5mm
12:00 20°
14:00 22°
16:00 20°
18:00 19°
20:00 19°
22:00 18°

Sun

☀️ Sunrise 06:07 · Sunset 19:13

13h 06m of daylight · America/New_York

Air quality

PM2.5 7.6 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Ferry Village · 0.7 km Willard Square · 0.8 km Meeting House Hill · 1 km Loveitts Field · 1.3 km Fort Preble · 1.4 km Knightville · 1.7 km

Tools for South Portland

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about South Portland weather

Will it rain in South Portland today?

Yes - about 2.6 mm of rain is expected in South Portland today.

What is the temperature in South Portland right now?

It is 17° in South Portland right now. Today runs between a low of 16° and a high of 17°.

What time is sunrise and sunset in South Portland?

The sun rises at 06:07 and sets at 19:13 local time in South Portland today, giving 13h 06m of daylight.

What is the air quality in South Portland?

PM2.5 in South Portland is currently 7.6 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

How accurate is the South Portland forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers South Portland best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

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