Hourly Weather Forecast - South Portland, ME

12 PM
28°F
70%
5mph
SW
70% Chance of Heavy Snow
Humidity
95%
Feels like
23°F
Dew Point
27°F
1 PM
28°F
10%
6mph
SW
Mostly Cloudy
Humidity
95%
Feels like
22°F
Dew Point
27°F
2 PM
29°F
30%
7mph
SSW
30% Chance Frozen Mix
Humidity
95%
Feels like
22°F
Dew Point
27°F
3 PM
29°F
10%
8mph
SW
Mostly Cloudy
Humidity
93%
Feels like
21°F
Dew Point
27°F
4 PM
29°F
10%
9mph
SW
Mostly Cloudy
Humidity
90%
Feels like
21°F
Dew Point
26°F
4:34 PM
5 PM
29°F
10%
10mph
SW
Mostly Cloudy
Humidity
87%
Feels like
20°F
Dew Point
25°F
6 PM
28°F
10%
11mph
SW
Mostly Cloudy
Humidity
84%
Feels like
18°F
Dew Point
24°F
7 PM
27°F
10%
11mph
WSW
Mostly Cloudy
Humidity
81%
Feels like
17°F
Dew Point
22°F
8 PM
26°F
0%
12mph
WSW
Partly Cloudy
Humidity
77%
Feels like
15°F
Dew Point
20°F
9 PM
25°F
0%
12mph
WSW
Mostly Clear
Humidity
73%
Feels like
14°F
Dew Point
17°F
10 PM
24°F
0%
12mph
SW
Partly Cloudy
Humidity
71%
Feels like
13°F
Dew Point
16°F
11 PM
24°F
0%
12mph
WSW
Partly Cloudy
Humidity
69%
Feels like
12°F
Dew Point
15°F

Snow Forecast through Sunday

Series of Weather Systems Cover Great Lakes, East in Snow

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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