Hourly Weather Forecast - Portmarnock, , IE

12 AM
45°F
20%
12mph
SW
Cloudy
Humidity
95%
Feels like
39°F
Dew Point
44°F
1 AM
45°F
20%
13mph
SW
Cloudy
Humidity
94%
Feels like
39°F
Dew Point
44°F
2 AM
46°F
20%
13mph
WSW
Mostly Cloudy
Humidity
92%
Feels like
40°F
Dew Point
44°F
3 AM
46°F
20%
13mph
WSW
Mostly Cloudy
Humidity
89%
Feels like
40°F
Dew Point
43°F
4 AM
46°F
20%
14mph
WSW
Mostly Cloudy
Humidity
84%
Feels like
40°F
Dew Point
42°F
5 AM
47°F
30%
14mph
W
30% Chance of Light Rain
Humidity
80%
Feels like
41°F
Dew Point
41°F
6 AM
47°F
30%
14mph
W
30% Chance of Light Rain
Humidity
77%
Feels like
41°F
Dew Point
40°F
6:40 AM
7 AM
47°F
20%
14mph
W
Mostly Cloudy
Humidity
72%
Feels like
41°F
Dew Point
38°F
8 AM
48°F
20%
15mph
WSW
Mostly Cloudy
Humidity
68%
Feels like
42°F
Dew Point
38°F
9 AM
49°F
20%
15mph
WSW
Cloudy
Humidity
64%
Feels like
43°F
Dew Point
37°F
10 AM
50°F
20%
16mph
WSW
Cloudy
Humidity
61%
Feels like
50°F
Dew Point
37°F
11 AM
51°F
40%
16mph
W
40% Chance of Light Rain
Humidity
60%
Feels like
51°F
Dew Point
37°F
12 PM
51°F
20%
17mph
W
Cloudy
Humidity
61%
Feels like
51°F
Dew Point
38°F
1 PM
50°F
30%
16mph
W
30% Chance of Light Rain
Humidity
62%
Feels like
44°F
Dew Point
37°F
2 PM
49°F
30%
17mph
W
30% Chance Rain Showers
Humidity
65%
Feels like
43°F
Dew Point
37°F
3 PM
48°F
20%
17mph
W
Partly Cloudy
Humidity
66%
Feels like
42°F
Dew Point
37°F
4 PM
47°F
30%
18mph
WSW
30% Chance Rain Showers
Humidity
67%
Feels like
40°F
Dew Point
37°F
5 PM
46°F
30%
17mph
WSW
30% Chance Rain Showers
Humidity
68%
Feels like
39°F
Dew Point
36°F
6 PM
45°F
30%
17mph
WSW
30% Chance Rain Showers
Humidity
70%
Feels like
38°F
Dew Point
36°F
6:28 PM
7 PM
44°F
20%
16mph
WSW
Partly Cloudy
Humidity
73%
Feels like
37°F
Dew Point
36°F
8 PM
43°F
20%
16mph
WSW
Mostly Cloudy
Humidity
77%
Feels like
36°F
Dew Point
37°F
9 PM
43°F
20%
16mph
WSW
Cloudy
Humidity
80%
Feels like
35°F
Dew Point
37°F
10 PM
42°F
20%
16mph
WSW
Mostly Cloudy
Humidity
80%
Feels like
34°F
Dew Point
36°F
11 PM
42°F
10%
16mph
WSW
Partly Cloudy
Humidity
78%
Feels like
34°F
Dew Point
35°F

Today's Severe Weather Outlook

Severe Storms Rally from Gulf Coast to Mid-Atlantic

Multiple rounds of severe storms will form today from the Gulf Coast to the Mid-Atlantic.

Thursday's Weather Outlook

Thursday's Weather Outlook

Weekly Drought Map for March 5, 2026

Drought Worsens Nationwide Despite Multiple Disturbances

A tornado on the ground in Hildreth, Neb., on June 14, 2014 (NOAA Photo Library/Ken Engquist).

Tornadoes and Road Safety -- Do's and Don't's

A pothole big enough to hold a traffic cone and garbage. (David Shankbone, Wikimedia Common)

Potholes: A Springtime Driving Menace

This John Deere riding mower continues to hum along. (Wikimedia Commons)

Spring Mower and Power Tool Seasonal Checklist

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Today's National Outlook

Hurricane Tracker

Allergy Forecast

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Outdoor Sports Guide