Hourly Weather Forecast - Portmarnock, , IE

12 AM
49°F
0%
17mph
SW
Mostly Clear
Humidity
77%
Feels like
42°F
Dew Point
42°F
1 AM
49°F
0%
17mph
SW
Partly Cloudy
Humidity
78%
Feels like
43°F
Dew Point
42°F
2 AM
49°F
0%
16mph
SW
Partly Cloudy
Humidity
79%
Feels like
43°F
Dew Point
43°F
3 AM
49°F
0%
16mph
SW
Mostly Cloudy
Humidity
82%
Feels like
43°F
Dew Point
44°F
4 AM
49°F
0%
16mph
SW
Partly Cloudy
Humidity
81%
Feels like
43°F
Dew Point
43°F
5 AM
49°F
0%
16mph
SW
Partly Cloudy
Humidity
83%
Feels like
43°F
Dew Point
44°F
6 AM
48°F
0%
16mph
SW
Partly Cloudy
Humidity
83%
Feels like
42°F
Dew Point
43°F
7 AM
48°F
0%
16mph
WSW
Partly Cloudy
Humidity
83%
Feels like
42°F
Dew Point
43°F
8 AM
48°F
0%
17mph
WSW
Partly Cloudy
Humidity
83%
Feels like
42°F
Dew Point
43°F
8:28 AM
9 AM
48°F
0%
17mph
WSW
Partly Cloudy
Humidity
82%
Feels like
42°F
Dew Point
43°F
10 AM
49°F
0%
17mph
WSW
Partly Cloudy
Humidity
82%
Feels like
43°F
Dew Point
44°F
11 AM
50°F
0%
18mph
WSW
Partly Cloudy
Humidity
80%
Feels like
44°F
Dew Point
44°F
12 PM
50°F
0%
17mph
WSW
Partly Cloudy
Humidity
78%
Feels like
50°F
Dew Point
44°F
1 PM
51°F
0%
17mph
WSW
Partly Cloudy
Humidity
77%
Feels like
51°F
Dew Point
44°F
2 PM
50°F
0%
16mph
WSW
Partly Cloudy
Humidity
76%
Feels like
50°F
Dew Point
43°F
3 PM
50°F
0%
15mph
WSW
Partly Cloudy
Humidity
76%
Feels like
44°F
Dew Point
43°F
4 PM
49°F
0%
14mph
WSW
Partly Cloudy
Humidity
76%
Feels like
44°F
Dew Point
42°F
4:05 PM
5 PM
49°F
10%
13mph
SW
Partly Cloudy
Humidity
77%
Feels like
43°F
Dew Point
42°F
6 PM
49°F
10%
13mph
SW
Partly Cloudy
Humidity
77%
Feels like
43°F
Dew Point
42°F
7 PM
49°F
10%
13mph
SW
Partly Cloudy
Humidity
77%
Feels like
43°F
Dew Point
42°F
8 PM
49°F
10%
13mph
SW
Mostly Cloudy
Humidity
76%
Feels like
44°F
Dew Point
42°F
9 PM
49°F
10%
14mph
SW
Mostly Cloudy
Humidity
76%
Feels like
44°F
Dew Point
42°F
10 PM
49°F
10%
14mph
SSW
Partly Cloudy
Humidity
77%
Feels like
44°F
Dew Point
42°F
11 PM
49°F
10%
14mph
SSW
Mostly Clear
Humidity
77%
Feels like
44°F
Dew Point
43°F

Snowfall forecast for Monday

Snow To Spread Across Appalachians Into Mid-Atlantic

A winter system will bring snow from the southern Appalachians to Mid-Atlantic on Monday.

Monday's Weather Outlook

Monday'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

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Outdoor Sports Guide