Hourly Weather Forecast - South Portland, ME

11 AM
31°F
10%
7mph
SSW
Mostly Cloudy
Humidity
81%
Feels like
24°F
Dew Point
26°F
12 PM
32°F
20%
7mph
SSW
Cloudy
Humidity
82%
Feels like
26°F
Dew Point
28°F
1 PM
34°F
30%
8mph
SSW
30% Chance Frozen Mix
Humidity
83%
Feels like
27°F
Dew Point
29°F
2 PM
35°F
30%
7mph
SSW
30% Chance Frozen Mix
Humidity
83%
Feels like
30°F
Dew Point
31°F
3 PM
37°F
50%
6mph
S
50% Chance of Light Rain
Humidity
83%
Feels like
32°F
Dew Point
32°F
4 PM
38°F
70%
5mph
S
70% Chance of Light Rain
Humidity
82%
Feels like
33°F
Dew Point
33°F
4:04 PM
5 PM
38°F
60%
7mph
SSW
60% Chance of Light Rain
Humidity
83%
Feels like
33°F
Dew Point
33°F
6 PM
38°F
80%
9mph
SSW
80% Chance of Rain
Humidity
84%
Feels like
31°F
Dew Point
33°F
7 PM
37°F
70%
11mph
SSW
70% Chance of Rain
Humidity
85%
Feels like
30°F
Dew Point
33°F
8 PM
36°F
60%
11mph
SSW
60% Chance of Light Rain
Humidity
87%
Feels like
28°F
Dew Point
33°F
9 PM
35°F
60%
11mph
SW
60% Chance of Light Rain
Humidity
88%
Feels like
27°F
Dew Point
32°F
10 PM
35°F
50%
11mph
SW
50% Chance of Light Rain
Humidity
90%
Feels like
27°F
Dew Point
32°F
11 PM
34°F
40%
11mph
SW
40% Chance of Light Rain
Humidity
90%
Feels like
26°F
Dew Point
32°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide