Hourly Weather Forecast - South Portland, ME

12 AM
33°F
0%
17mph
W
Mostly Clear
Humidity
59%
Feels like
22°F
Dew Point
20°F
1 AM
31°F
0%
17mph
W
Mostly Clear
Humidity
57%
Feels like
19°F
Dew Point
17°F
2 AM
29°F
0%
17mph
W
Mostly Clear
Humidity
55%
Feels like
17°F
Dew Point
15°F
3 AM
28°F
0%
18mph
W
Clear
Humidity
53%
Feels like
15°F
Dew Point
13°F
4 AM
27°F
0%
17mph
W
Clear
Humidity
51%
Feels like
14°F
Dew Point
11°F
5 AM
26°F
0%
17mph
WNW
Clear
Humidity
51%
Feels like
14°F
Dew Point
10°F
6 AM
25°F
0%
15mph
WNW
Clear
Humidity
52%
Feels like
13°F
Dew Point
10°F
7 AM
25°F
0%
14mph
WNW
Clear
Humidity
51%
Feels like
13°F
Dew Point
10°F
7:10 AM
8 AM
25°F
0%
12mph
WNW
Sunny
Humidity
51%
Feels like
14°F
Dew Point
10°F
9 AM
27°F
0%
11mph
WNW
Sunny
Humidity
48%
Feels like
17°F
Dew Point
10°F
10 AM
28°F
0%
9mph
WNW
Sunny
Humidity
47%
Feels like
20°F
Dew Point
11°F
11 AM
30°F
0%
9mph
W
Sunny
Humidity
45%
Feels like
22°F
Dew Point
11°F
12 PM
31°F
0%
9mph
W
Sunny
Humidity
44%
Feels like
23°F
Dew Point
11°F
1 PM
31°F
0%
9mph
W
Sunny
Humidity
43%
Feels like
24°F
Dew Point
12°F
2 PM
31°F
0%
8mph
W
Mostly Sunny
Humidity
44%
Feels like
24°F
Dew Point
12°F
3 PM
31°F
0%
7mph
W
Partly Cloudy
Humidity
45%
Feels like
24°F
Dew Point
12°F
4 PM
31°F
0%
7mph
W
Partly Cloudy
Humidity
46%
Feels like
24°F
Dew Point
12°F
4:06 PM
5 PM
30°F
0%
7mph
WSW
Partly Cloudy
Humidity
47%
Feels like
24°F
Dew Point
13°F
6 PM
30°F
0%
7mph
SW
Partly Cloudy
Humidity
48%
Feels like
24°F
Dew Point
13°F
7 PM
30°F
0%
7mph
SW
Mostly Cloudy
Humidity
49%
Feels like
24°F
Dew Point
14°F
8 PM
31°F
0%
8mph
SSW
Mostly Cloudy
Humidity
52%
Feels like
23°F
Dew Point
15°F
9 PM
32°F
10%
9mph
SSW
Mostly Cloudy
Humidity
54%
Feels like
24°F
Dew Point
17°F
10 PM
32°F
10%
9mph
SSW
Mostly Cloudy
Humidity
57%
Feels like
24°F
Dew Point
19°F
11 PM
33°F
20%
10mph
SSW
Mostly Cloudy
Humidity
59%
Feels like
24°F
Dew Point
20°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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