Hourly Weather Forecast - Portmarnock, , IE

7 AM
49°F
0%
16mph
SW
Mostly Clear
Humidity
80%
Feels like
43°F
Dew Point
43°F
8 AM
49°F
0%
15mph
SW
Mostly Cloudy
Humidity
79%
Feels like
43°F
Dew Point
43°F
8:26 AM
9 AM
50°F
0%
15mph
SW
Mostly Cloudy
Humidity
79%
Feels like
44°F
Dew Point
44°F
10 AM
51°F
0%
15mph
SW
Partly Cloudy
Humidity
80%
Feels like
51°F
Dew Point
45°F
11 AM
52°F
0%
14mph
SW
Mostly Sunny
Humidity
79%
Feels like
52°F
Dew Point
46°F
12 PM
53°F
0%
13mph
SW
Partly Cloudy
Humidity
79%
Feels like
53°F
Dew Point
46°F
1 PM
53°F
0%
13mph
SW
Mostly Sunny
Humidity
79%
Feels like
53°F
Dew Point
47°F
2 PM
53°F
0%
12mph
SW
Partly Cloudy
Humidity
80%
Feels like
53°F
Dew Point
47°F
3 PM
52°F
0%
11mph
SW
Partly Cloudy
Humidity
82%
Feels like
52°F
Dew Point
47°F
4 PM
51°F
0%
10mph
SW
Partly Cloudy
Humidity
83%
Feels like
51°F
Dew Point
47°F
4:06 PM
5 PM
51°F
0%
9mph
SSW
Partly Cloudy
Humidity
85%
Feels like
51°F
Dew Point
46°F
6 PM
50°F
30%
8mph
S
30% Chance of Light Rain
Humidity
87%
Feels like
50°F
Dew Point
47°F
7 PM
50°F
30%
8mph
SSE
30% Chance Rain Showers
Humidity
89%
Feels like
50°F
Dew Point
47°F
8 PM
51°F
0%
8mph
SSE
Mostly Cloudy
Humidity
92%
Feels like
51°F
Dew Point
48°F
9 PM
51°F
10%
8mph
SSE
Partly Cloudy
Humidity
92%
Feels like
51°F
Dew Point
49°F
10 PM
52°F
30%
9mph
SSE
30% Chance of Light Rain
Humidity
93%
Feels like
52°F
Dew Point
50°F
11 PM
52°F
40%
11mph
SSE
40% Chance of Light Rain
Humidity
93%
Feels like
52°F
Dew Point
50°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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide