Hourly Weather Forecast - South Portland, ME

12 AM
3°F
20%
8mph
NNW
Clear
Humidity
57%
Feels like
-11°F
Dew Point
-9°F
1 AM
2°F
20%
8mph
NNW
Clear
Humidity
57%
Feels like
-12°F
Dew Point
-9°F
2 AM
1°F
20%
9mph
NNW
Mostly Clear
Humidity
58%
Feels like
-13°F
Dew Point
-10°F
3 AM
1°F
20%
9mph
NNW
Partly Cloudy
Humidity
58%
Feels like
-14°F
Dew Point
-10°F
4 AM
0°F
10%
9mph
NNW
Partly Cloudy
Humidity
60%
Feels like
-15°F
Dew Point
-11°F
5 AM
-1°F
10%
8mph
NNW
Very Cold
Humidity
61%
Feels like
-15°F
Dew Point
-11°F
6 AM
-1°F
10%
8mph
NNW
Very Cold
Humidity
61%
Feels like
-15°F
Dew Point
-11°F
7 AM
0°F
10%
8mph
NNW
Mostly Cloudy
Humidity
60%
Feels like
-14°F
Dew Point
-10°F
7:04 AM
8 AM
2°F
10%
8mph
NNW
Mostly Cloudy
Humidity
58%
Feels like
-12°F
Dew Point
-10°F
9 AM
4°F
10%
7mph
NNW
Cloudy
Humidity
55%
Feels like
-9°F
Dew Point
-9°F
10 AM
6°F
10%
7mph
NNW
Cloudy
Humidity
53%
Feels like
-6°F
Dew Point
-7°F
11 AM
8°F
10%
7mph
NNW
Cloudy
Humidity
51%
Feels like
-4°F
Dew Point
-6°F
12 PM
9°F
10%
7mph
NNW
Cloudy
Humidity
51%
Feels like
-2°F
Dew Point
-5°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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