Hourly Weather Forecast - South Portland, ME

9 AM
34°F
0%
4mph
WSW
Mostly Sunny
Humidity
69%
Feels like
30°F
Dew Point
25°F
10 AM
37°F
0%
3mph
SW
Mostly Sunny
Humidity
63%
Feels like
35°F
Dew Point
26°F
11 AM
40°F
0%
4mph
SSW
Partly Cloudy
Humidity
60%
Feels like
37°F
Dew Point
27°F
12 PM
41°F
0%
6mph
S
Mostly Cloudy
Humidity
61%
Feels like
37°F
Dew Point
29°F
1 PM
41°F
0%
8mph
S
Mostly Cloudy
Humidity
65%
Feels like
36°F
Dew Point
30°F
2 PM
41°F
10%
9mph
S
Mostly Cloudy
Humidity
70%
Feels like
35°F
Dew Point
32°F
3 PM
40°F
30%
9mph
SSE
30% Chance of Light Rain
Humidity
76%
Feels like
34°F
Dew Point
33°F
4 PM
39°F
30%
9mph
SSE
30% Chance of Light Rain
Humidity
82%
Feels like
33°F
Dew Point
34°F
5 PM
38°F
70%
8mph
SSE
70% Chance of Light Rain
Humidity
86%
Feels like
33°F
Dew Point
35°F
6 PM
38°F
90%
7mph
SSE
Light Rain
Humidity
89%
Feels like
33°F
Dew Point
35°F
6:53 PM
7 PM
39°F
80%
6mph
S
80% Chance of Light Rain
Humidity
90%
Feels like
35°F
Dew Point
36°F
8 PM
39°F
50%
5mph
SSW
50% Chance of Light Rain
Humidity
89%
Feels like
35°F
Dew Point
37°F
9 PM
40°F
30%
5mph
SSW
30% Chance of Light Rain
Humidity
90%
Feels like
36°F
Dew Point
37°F
10 PM
40°F
30%
4mph
SSW
30% Chance of Light Rain
Humidity
90%
Feels like
36°F
Dew Point
37°F
11 PM
40°F
30%
4mph
SSW
30% Chance of Light Rain
Humidity
90%
Feels like
36°F
Dew Point
37°F

Today's High Temperature Outlook

Dangerous Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Today's Weather Outlook

Today's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for March 19, 2026

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

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

When Does Spring Begin?

(Image provided by Pixabay.com)

Lightning Safety

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide