Hourly Weather Forecast - South Portland, ME

12 AM
16°F
0%
5mph
NW
Clear
Humidity
70%
Feels like
8°F
Dew Point
8°F
1 AM
15°F
0%
5mph
NW
Clear
Humidity
70%
Feels like
7°F
Dew Point
7°F
2 AM
15°F
0%
5mph
WNW
Clear
Humidity
71%
Feels like
7°F
Dew Point
7°F
3 AM
15°F
0%
5mph
WNW
Clear
Humidity
71%
Feels like
6°F
Dew Point
7°F
4 AM
14°F
0%
5mph
WNW
Clear
Humidity
70%
Feels like
6°F
Dew Point
6°F
5 AM
14°F
0%
5mph
WNW
Clear
Humidity
70%
Feels like
6°F
Dew Point
6°F
6 AM
15°F
0%
5mph
WNW
Clear
Humidity
66%
Feels like
8°F
Dew Point
6°F
7 AM
17°F
0%
5mph
WNW
Clear
Humidity
63%
Feels like
10°F
Dew Point
7°F
7:14 AM
8 AM
20°F
0%
4mph
WNW
Sunny
Humidity
60%
Feels like
13°F
Dew Point
8°F
9 AM
22°F
0%
4mph
WNW
Sunny
Humidity
58%
Feels like
17°F
Dew Point
10°F
10 AM
25°F
0%
4mph
WNW
Sunny
Humidity
57%
Feels like
21°F
Dew Point
12°F
11 AM
28°F
0%
3mph
W
Sunny
Humidity
54%
Feels like
24°F
Dew Point
13°F
12 PM
30°F
0%
3mph
W
Mostly Sunny
Humidity
52%
Feels like
27°F
Dew Point
15°F
1 PM
31°F
0%
3mph
WSW
Partly Cloudy
Humidity
52%
Feels like
29°F
Dew Point
16°F
2 PM
31°F
0%
3mph
SW
Mostly Sunny
Humidity
52%
Feels like
29°F
Dew Point
16°F
3 PM
31°F
0%
3mph
SW
Mostly Sunny
Humidity
54%
Feels like
27°F
Dew Point
16°F
4 PM
29°F
0%
4mph
SW
Mostly Sunny
Humidity
57%
Feels like
25°F
Dew Point
16°F
4:11 PM
5 PM
28°F
0%
4mph
SSW
Mostly Clear
Humidity
60%
Feels like
24°F
Dew Point
16°F
6 PM
27°F
0%
4mph
SSW
Mostly Clear
Humidity
63%
Feels like
23°F
Dew Point
16°F
7 PM
27°F
0%
4mph
SSW
Partly Cloudy
Humidity
65%
Feels like
23°F
Dew Point
17°F
8 PM
27°F
0%
4mph
SSW
Partly Cloudy
Humidity
67%
Feels like
23°F
Dew Point
17°F
9 PM
27°F
0%
4mph
SW
Mostly Cloudy
Humidity
70%
Feels like
22°F
Dew Point
18°F
10 PM
27°F
10%
4mph
SW
Mostly Cloudy
Humidity
72%
Feels like
22°F
Dew Point
19°F
11 PM
28°F
10%
4mph
SW
Cloudy
Humidity
74%
Feels like
23°F
Dew Point
20°F

Snow Forecast Through Monday

Major Winter Storm Packs Heavy Snow, Significant Icing from Upper Midwest to New England

A major winter storm will deliver plentiful snow and significant icing from the Upper Midwest to New England.

Sunday's Weather Outlook

Sunday's Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Hurricane Erick at its peak intensity before making landfall on Guerrero, Mexico on June 19, 2025 (NOAA/Wikimedia Commons)

2025 Year in Review: Active Tropical Season for The Pacific

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide