Hourly Weather Forecast - South Portland, ME

12 AM
30°F
20%
6mph
N
Mostly Cloudy
Humidity
83%
Feels like
24°F
Dew Point
26°F
1 AM
29°F
20%
6mph
N
Mostly Cloudy
Humidity
82%
Feels like
23°F
Dew Point
25°F
2 AM
29°F
10%
6mph
NNW
Mostly Cloudy
Humidity
81%
Feels like
23°F
Dew Point
24°F
3 AM
29°F
10%
6mph
NNW
Mostly Cloudy
Humidity
80%
Feels like
22°F
Dew Point
23°F
4 AM
28°F
0%
6mph
NNW
Mostly Cloudy
Humidity
80%
Feels like
21°F
Dew Point
23°F
5 AM
28°F
0%
6mph
NNW
Mostly Cloudy
Humidity
80%
Feels like
21°F
Dew Point
22°F
6 AM
28°F
0%
6mph
NNW
Mostly Cloudy
Humidity
80%
Feels like
21°F
Dew Point
22°F
6:37 AM
7 AM
29°F
0%
5mph
NNW
Partly Cloudy
Humidity
78%
Feels like
23°F
Dew Point
23°F
8 AM
30°F
0%
5mph
NNW
Partly Cloudy
Humidity
75%
Feels like
25°F
Dew Point
23°F
9 AM
32°F
0%
5mph
NNW
Partly Cloudy
Humidity
69%
Feels like
28°F
Dew Point
23°F
10 AM
35°F
0%
5mph
NNW
Partly Cloudy
Humidity
63%
Feels like
30°F
Dew Point
23°F
11 AM
36°F
0%
5mph
NW
Mostly Cloudy
Humidity
60%
Feels like
32°F
Dew Point
24°F
12 PM
38°F
0%
4mph
WNW
Cloudy
Humidity
58%
Feels like
34°F
Dew Point
24°F
1 PM
38°F
0%
4mph
WSW
Cloudy
Humidity
58%
Feels like
35°F
Dew Point
25°F
2 PM
38°F
0%
4mph
SSW
Cloudy
Humidity
58%
Feels like
35°F
Dew Point
25°F
3 PM
38°F
0%
6mph
SSW
Mostly Cloudy
Humidity
60%
Feels like
34°F
Dew Point
25°F
4 PM
38°F
0%
7mph
SSW
Mostly Cloudy
Humidity
62%
Feels like
32°F
Dew Point
26°F
5 PM
37°F
0%
9mph
SSW
Cloudy
Humidity
66%
Feels like
30°F
Dew Point
27°F
6 PM
36°F
0%
9mph
SSW
Cloudy
Humidity
69%
Feels like
29°F
Dew Point
27°F
6:58 PM
7 PM
35°F
0%
9mph
SSW
Cloudy
Humidity
74%
Feels like
29°F
Dew Point
28°F
8 PM
35°F
0%
9mph
SSW
Cloudy
Humidity
73%
Feels like
28°F
Dew Point
27°F
9 PM
34°F
0%
9mph
SSW
Cloudy
Humidity
73%
Feels like
27°F
Dew Point
27°F
10 PM
34°F
0%
9mph
SW
Cloudy
Humidity
71%
Feels like
27°F
Dew Point
26°F
11 PM
34°F
0%
9mph
SW
Cloudy
Humidity
70%
Feels like
26°F
Dew Point
25°F

Sunday's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

Weekend Weather Outlook

Today's Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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